Confidential TQS 2001 Equipment Guidelines Advanced Drilling Systems Document Type TQS Template (Word 6 PC) Software Microsoft Word 6.0.1 for Power Mac Source File 6adscons.doc Other Source File 6adscons.doc Author John Crowther Author info John Crowther Anadrill Schlumberger Review & approval Revision History 23 April 1996 Word 6 PC (NT) TQS template created. 26 April 1996 Added tutorial section. 01 May 1996 Created Mac version of template 19 November 1997 Formatted section for 1998 04 February 1998 Updated Viper section 15 December, 1998 19 November, 1999 Updated Motors, VIPER, IAB, GST Updated Motors, IAB 05 January 2001 Updated Motor, Short Radius, IAB, GST
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Confidential TQS
2001 Equipment Guidelines
Advanced Drilling Systems
Document Type TQS Template (Word 6 PC)
Software Microsoft Word 6.0.1 for Power Mac
Source File 6adscons.doc
Other Source File 6adscons.doc
Author John Crowther
Author info John Crowther
Anadrill Schlumberger
Review & approval
Revision History 23 April 1996 Word 6 PC (NT) TQS template created.
26 April 1996 Added tutorial section.
01 May 1996 Created Mac version of template
19 November 1997 Formatted section for 1998
04 February 1998 Updated Viper section
15 December, 1998
19 November, 1999
Updated Motors, VIPER, IAB, GST
Updated Motors, IAB
05 January 2001 Updated Motor, Short Radius, IAB, GST
Table 7-8 TR, DC and FB Jar Specifications and Strength Data .............................................. 99Table 7-9 Strength Data for Hydraulic Bumper Sub............................................................... 100Table 7-10 Specifications for Nitrogen Jar Boosters ................................................................ 102
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 1 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1. PowerPak Motors
1.1 Highlights
PowerPak is a positive displacement downhole drilling motor (PDM) powered by the circulatingdrilling fluid. The pressure drop across the motor is directly proportional to the drilling torquedeveloped at the bit. The rotational speed depends primarily on the circulation rate, and is onlyslightly affected by the torque.
1.2 Details
1.2.1 Cross-Over Subs, Dump Valves, or Flex Subs
Cross-Over Subs (or Top Subs) are available for simple connection from the drill string to thestator/motor. Cross-Over Subs are available for all PowerPak motor sizes. A Dump Valve allowsthe drill pipe to fill with drilling mud when running a motor into a well, and to drain whenpulling out of the hole. The valves close when the flow rate reaches a given threshold. DumpValves are only available for motor sizes 4-3/4 through 11-1/4. Flex Subs are available for 3-1/8 through 9-5/8 motors. These replace the dump valve or cross-over and help prevent failureof the stator connections by reducing the bending stresses. Dump valves should only be run whenrequired by the Client.
1.2.2 Power sectionThe power section, consisting of a stator and rotor, converts hydraulic power from the drillingfluid into mechanical power to rotate the bit. It operates by the reverse application of theMoineau pump principle. The stator is composed of an elastomer with a helicoidal lobe patterncross section, with n lobes, molded inside a steel housing. The rotor is a machined stainless steelshaft, with a cross section similar to the stator, but with n-1 lobes. The contact of elastomericstator lining and metal rotor surfaces forms continuous sealing lines and multiple closed fluidchambers. When drilling mud is circulated through the power section the rotor is forced to rotate.Rotors/stators are available in various configurations: with standard or extended length sections,standard or over-sized (OS) stators, and standard or undersize (US) rotors. Refer to the masterorders for details. Chrome plated, tungsten carbide coated and non-plated rotors are available.Tungsten carbide plated rotors are recommended for salt-saturated or corrosive drilling muds.
1.2.3 Transmission sectionThis section transmits the rotary motion and torque produced by the rotor/stator down to thedrive shaft/bearing section of the motor. The transmission couplings also convert the eccentricrotation of the rotor to concentric rotation at the bearing section. This section also includes thesurface-adjustable bend housing. Heavy-duty transmissions are available for Extended PowerSections and special transmissions are required for 1:2, 2:3 and some GT lobe configurations.
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 2 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.2.4 Bearing sectionThe bearing section consists of both axial ball thrust bearings, and radial tungsten carbide sleevebearings. The M-Series motors are mud lubricated: part of the mud flow (4 to 10%) is divertedthrough the bearing section for cooling and lubrication. The S-series motors use a oil-filledsealed bearing assembly. The drive shaft runs through the bearing section and connects thetransmission shaft to the bit. Bearing housings are available with replaceable sleeve type orintegral blade stabilizers, with straight or spiral blades. RNBS sleeves are available on A475 andlarger motors.
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 3 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
Table 1-2 Motor PerformanceMotor Size Lobes Stages Flow Rate
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 4 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
Motor Size Lobes Stages Flow Rate(gpm)
Rotating Speed
(rpm)
OperatingTorque(ft-lbf)
Diff PressureOperating
(psi)
SP 1:2 4.0 300 - 600 210 - 430 1750 415
SP 4:5 3.6 300 - 900 75 - 225 4250 375
A800 XP 4:5 5.3 300 - 900 75 - 225 6600 590
GT 4:5 8.2 300 900 113 340 7600 1050
SP 7:8 3.0 300 - 900 45 - 145 6150 370
XP 7:8 4.0 300 - 900 45 - 145 8400 510
SP 1:2 5.0 400 - 800 190 - 380 3350 530
HS 2:3 9.6 600 - 1200 250 - 500 8000 1150
SP 3:4 4.5 600 - 1200 135 - 265 6400 490
A962 XP 3:4 6.0 600 - 1200 135 - 265 9400 675
GT 3:4 8.2 600 1200 167 - 333 9740 940
SP 5:6 3.0 600 - 1200 65 - 135 8200 320
XP 5:6 4.0 600 - 1200 65 - 135 11500 450
GT 7:8 4.8 600 - 1200 65 - 130 15500 640
A1125 SP 3:4 3.6 1000 -1500 115 - 170 12000 390
1. SP = standard power , AD = Air Drilling motor, XP = extended power , GT = Greater Torque , HF = High Flow, HS =High speed
1.4 Current StatusTable 1-3 TIR Listing for PowerPaks
TIR Date Revision Description
017 10/19/94 AA Extended and Tandem Power Section Motors018 10/19/94 Obsolete Revised PowerPak Specs (Increase in flow rating)019 06/06/97 AC Revised - Thread locking of PowerPak housings020 01/19/95 AA Thread Rework Specs & Limits for PowerPaks021 01/17/95 Obsolete Directional Drilling Tools Update022 11/03/95 Obsolete Stator Elastomer Evaluation in Oil-Based Muds023 11/03/95 AA PowerPak Dog-Leg Prediction Software024 11/03/95 Obsolete Thermal Expansion of Stators025 02/29/96 AB A287 and A350 PowerPak Thrust Bearing Races026 09/17/98 AD Revised - Rotor Catcher Kits027 03/07/96 AA Aluminum Anode / Corrosion Rings028 03/15/96 AA Flex Joints / Flex Subs029 04/17/96 AB Revised: PowerPak 1:2 Power Sections030 02/29/96 AA Tungsten-Carbide Coated Rotors031 02/29/96 AA Reworking PowerPak Drive Shafts032 03/07/96 AA Dummy Bits for PowerPak Surface Tests033 08/26/96 AA Revised - Low Bit-Pressure Drop Radial Bearings034 04/16/96 AA Changes to PowerPak Transmission Seal Caps035 11/25/96 AA General PowerPak Equipment Update036 06/30/97 AA PowerPak Rotor Repair and Re-plating037 04/01/97 AB PowerPak Rotor Profile Measurement038 02/18/97 AA Available Power Sections and their Part Numbers039 02/12/97 AA RM145 Discontinuation
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 5 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
TIR Date Revision Description
040 03/31/97 AA Calculation of Optimum Rotor-Stator Fit041 08/24/97 AB PowerPak Rotor & Stator Sizes042 08/05/97 AA PowerPak power prediction and optimum operating pressure043 10/10/97 AA Release of Rotating Near Bit Stabilizers044 03/27/98 AA Low, High and Standard pressure drop threaded radial bearings045 04/20/98 AA New M series mud motors046 09/23/98 AB 4-3/4 rotor couplings047 09/23/98 AA PowerPak 4-3/4 XXP (GT) Transmission048 11/10/98 AB PowerPak 9-5/8 XXP (GT) Transmission049 10/27/98 AA PowerPak Adjustable Bent Housing Update050 07/20/99 AA Stator Gauge list updated.051 07/20/99 AA Drive Shaft Bit Box rework052 07/20/99 AA New A700M motor053 07/20/99 AA 6-3/4 Transmission Coupling Torque054 11/17/99 AA New A318SB Motor055 11/17/99 AA PowerPak Maintenance Documents056 11/17/99 AA 9-5/8 HS 2:3 Transmission057 11/17/99 AA Reline Procedure for Stators058 11/17/99 AA Transmission assy for A675 1:2 and 2:3 power sections059 10/22/99 AA GT Power Section for A675S060 11/20/99 AA New A500M motor061 01/18/00 AA New Rotor Catcher Design062 11/23/99 AA Fishing Dimensions for A313SB, A500M and A700M motors063 01/11/00 AA Heavy Duty transmission for A475M
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 6 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5 General Equipment ListTable 1-4 PowerPak (Mud Lubricated Bearing) Price List
Motor File Code Part No. Description Price
A213M PMDM-BA S281591 2.13" O.D. Motor assemblyA238M PMDM-CA S277950 2.38" O.D. Motor assemblyA287M PMDM-DA S277639 2.87" O.D. Motor assemblyA350M PMDM-EA S277636 3.50" O.D. Motor assemblyA475M PMDM-GA S273152 4.75" O.D. Motor assemblyA500M S-300800 5.00 O.D. Motor assemblyA675M PMDM-JA S272952 6.75" O.D. Motor assemblyA700M S-300700 7.00 O.D. Motor assemblyA800M PMDM-LA S272625 8.00" O.D. Motor assemblyA962M PMDM-MA S272852 9.62" O.D. Motor assemblyA1125M PMDM-NA S273452 11.25" O.D. Motor assembly
Table 1-5 PowerPak (Oil Sealed Bearing Series 14) Price List
Motor File Code Part No. Description Price
A313SB S-300562 3.13: O.D. Motor assemblyA475S PSBM-GA S-277895 4.75" O.D. Motor assemblyA625S PSBM-HA S-291060 6.25" O.D. Motor assemblyA675S PSBM-JA S-291288 6.75" O.D. Motor assembly
1. Please Note: these are approximate prices only. Actual motor prices will depend upon theoptions included in the motor.
Ordering Information
Refer to the following documents for the Bills of Materials, available options and assembly toolsfor the motors. Refer also to the Appendix for various motor options recognized by CustomerService.
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 7 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
When ordering a PowerPak motor assembly specify:Top connection: Cross-Over, Dump Valve or Flex sub.with connection typePower Section: Lobe configuration ( 1:2, 2:3, 3:4, 4:5, 5:6, 7:8)
Length (standard, XP or GT)Rotor Coating (chrome, tungsten carbide or non-plated)Standard material or non-magneticRotor Size (Standard or undersize)Stator Diameter Size (standard or oversize)Stator Elastomer UF100 or HN89
Adjustable Bend Housing: 0° - 2° or 0° - 3° (or straight for small motors)Transmission: Standard, heavy duty, HS or GT (for A475 and larger motors with
XP, HS and GT power sections)Standard bearing housing with: stabilizer thread, integral blade stabilizer with size, or slick housingRotating near bit stabilizer (RNBS) option: RNBS sleeve for extended drive shaft or RNBS sub for standard
drive shaftBit box connection: Connection type
Flex Joints are available. Refer to Table 1-9 Flex Collars/ Flex Subs/ Flex Joints
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 8 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.1 PMDM-BA A213M PowerPak MotorA213M PowerPaks are available in two configurations, and these can be selected in the MasterOrders attached.
S-287941 Slick Bearing Section / Drive Shaft Assembly w/ 1-1/4 API Reg. BoxS-281574 Slick Bearing Section / Drive Shaft Assembly w/ AW Rod Box
The following items can be ordered separately on a Material OrderExtra Equipment
S-287763 By-Pass Sub, 1-1/4 API Reg. Box-by-Pin (uses two jet plugs)S-291003 By-Pass Sub, AW Rod Box-by-Pin (uses two jet plugs)S-287727 0.150 Bore Jet Plug, 1/4-18 NPT with Carbide InsertS-287728 0.175 Bore Jet Plug, 1/4-18 NPT with Carbide InsertS-287729 0.217 Bore Jet Plug, 1/4-18 NPT with Carbide InsertS-287792 Dummy Bit,1-1/4 API Reg. Pin-- uses 1 bit nozzle (7/32), part number B034165S-291052 Dummy Bit, AW Rod Pin-- uses 1 bit nozzle (7/32), part number B034165
Lift SubsS-281606 Lift Bail, 1-1/4" API Reg pinS-291004 Lift Bail, AW Rod Pin
Bearing HousingS-281589 Bearing Housing
Drive ShaftS-281575 Drive Shaft w/ 1-1/4 API Reg. BoxS-287929 Drive Shaft w/ AW ROD Box
M&S ItemsS-281820 Thrust Bearing Parts KitS-291031 Initial Inventory KitS-281853 Shaft stand-off toolS-281500 Transmission Coupling Assembly ToolS-291028 Upper radial bearing removal tool kitS-281525 Thread Protector, 1-1/4 API Reg. BoxS-287942 Thread Protector, AW Rod BoxS-291056 Bearing Stack Housing Removal Kit
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 9 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.2 PMDM-CA A238M PowerPak MotorA238M PowerPaks are available in two configurations, and these can be selected in the MasterOrders attached.
Part Number Description CostMotor OptionsS-277950 A238M PowerPak steerable motor, Mud-Lubricated.Top ConnectionS-277988 Cross-over, 1-1/4" Reg. boxPower Section
Refer to Table 1-11Adjustable Bend HousingS-277971 Adjustable Bend Housing Assembly, 0o - 3o
S-291317 Straight Transmission Housing AssemblyTransmission AssemblyS-277941 Transmission AssemblyBearing Section/Drive Shaft AssemblyS-277867 Slick Bearing Section / Drive Shaft Assembly w/ 1-1/4 API Reg. BoxThe following items can be ordered seperately on a Material OrderExtra EquipmentS-277987 By-Pass Sub, 1-1/4 API Reg. Box-by-Pin (uses two jet plugs)S-287727 0.150 Bore Jet Plug, 1/4-18 NPT with Carbide InsertS-287728 0.175 Bore Jet Plug, 1/4-18 NPT with Carbide InsertS-287729 0.217 Bore Jet Plug, 1/4-18 NPT with Carbide InsertS-287792 Dummy Bit ,1-1/4 API Reg. Pin-- uses 1 bit nozzle (7/32), part number B034165Lift SubsS-281606 Lift Bail, 1-1/4" Reg. PinBearing HousingS-277876 2-3/8 slick bearing housingDrive ShaftS-277868 Drive shaft, 1-1/4" Reg. boxM&S ItemsS-281633 Thrust bearing kitS-281634 Initial Inventory Kit
Service tools, composed of a selection from the list belowS-281531 Shaft stand-off toolS-281500 Transmission Coupling Assembly ToolS-281541 Upper Radial Bearing Removal Tool KitS-281525 Thread Protector, 1-1/4 API Reg. Box
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 10 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.3 PMDM-DA A287M PowerPak MotorCurrently, only the multi-lobe option is available for this size of motor.
S-277638 Slick Bearing Section / Drive Shaft Assembly w/ 2-3/8 API Reg. BoxThe following items can be ordered separately on a Material OrderExtra Equipment
S-287793 Dummy Bit, 2-3/8 API Reg. Pin-- uses 1 bit nozzle (7/32), part number B034165S-291292 Aluminum Anode, A287
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 11 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.4 A313SB - Oil Sealed Bearing PowerPak MotorA313SB PowerPaks are available in several configurations, these can be selected in the MasterOrders attached.
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Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.5 PMDM-EA A350M PowerPak MotorOnly the multi-lobe option is currently available in this size.
S-277635 Slick Bearing Section / Drive Shaft Assembly w/ 2-7/8 API Reg. BoxThe following items can be ordered seperately on a Material OrderExtra Equipment
S-287785 Dummy Bit, 2-7/8 API Reg. Pin uses 1 bit nozzle (7/32), part number B034165S-291291 Aluminum Anode, A350
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 13 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.6 PMDM-GA A475M PowerPak MotorA475M PowerPaks are available in several configurations, these can be selected in the MasterOrders attached. There are two basic options multi-lobe and single-lobe.
Top ConnectionS-273140 Cross-over, 3 1/2" IF boxS-273141 Cross-over, 3 1/2" Reg. BoxS-293802 Cross-over, 3 1/2" IF box, Non MagneticS-273154 Dump valve, 3 1/2 Reg. BoxS-273149 Dump valve, 3 1/2 IF box
Power SectionRefer to Table 1-11
Adjustable Bend HousingS-273153 Adjustable Bend Housing Assembly, 0o - 3o
S-281852 Adjustable Bend Housing Assembly, 0o - 2o
Transmission AssemblyS-277791 Heavy Duty XP Transmission AssemblyT1035994 Heavy Duty XP Transmission Assembly, Boot sealT1035993 GT Transmission Assembly, boot sealT1035861 Transmission Assy for 2:3 Power SectionS-273280 Transmission Assembly for 1:2 Power Section
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Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
The following items can be ordered separately on a Material Order
Extra EquipmentS-287778 Dummy Bit, 3-1/2 API Reg. Pinuses 1 bit nozzle (13/32), part number M-000254S-300914 A475 Rotor Catcher KitS-281749 Aluminum Anode, A475S-287773 Short Aluminum Anode, A475
Service tools, composed of a selection from the list belowS-273191 Lift bail 3.974-V040 (HSG)S-273192 Shaft assembly standS-273193 Lift bail / thread protector 2 5/16 - 6 UNCS-273194 Shaft stand-off toolS-273195 Upper radial bearing removal toolS-273198 Dump valve spring compressor assy.S-273186 Transmission coupling make-up wrenchS-273187 Drive pin for make-up wrenchS-273171 Adjusting ring lifting toolS-273271 Thrust pin pulling tool assembly
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Date: 05-Jan-2001 Advanced Drilling Systems Page: 15 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.7 A475S Series 14 Oil Sealed Bearing PowerPak MotorA475S PowerPaks are available in several configurations, these can be selected in the MasterOrders attached.
S-273140 Cross-over, 3 1/2" IF boxS-273141 Cross-over, 3 1/2" Reg. BoxS-293802 Cross-over, 3 1/2" IF box, Non MagneticS-273154 Dump valve, 3 1/2 Reg. BoxS-273149 Dump valve, 3 1/2 IF box
Power SectionRefer to Table 1-11
Adjustable Bend HousingS-277890 Adjustable Bend Housing Assembly, 0o - 3o , OSB motor
Transmission AssemblyS-287813 Heavy Duty XP Transmission AssemblyS-297250 Heavy Duty XP Transmission Assembly, No BypassS-297435 XXP (GT) Transmission AssemblyT1035840 2:3 HS Transmission Assembly
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 16 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
Service tools, composed of a selection from the list belowS-273198 Dump valve spring compressor assy.S-273186 Transmission coupling make-up wrenchS-273187 Drive pin for make-up wrenchS-273171 Adjusting ring lifting toolS-273271 Thrust pin pulling tool assembly
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 17 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.8 A500M PowerPak MotorA500M PowerPaks are available in several configurations, these can be selected in the MasterOrders attached.
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Date: 05-Jan-2001 Advanced Drilling Systems Page: 18 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
M&S ItemsT0135664 Shim KitS-300717 Thrust Bearing Parts KitS-289645 Nozzle Kit
Service tools, composed of a selection from the list belowS-273198 Dump valve spring compressor assy.S-300842 Transmission Seal Assy toolS-300901 Transmission coupling make-up wrenchS-300903 Drive pin for make-up wrenchS-273192 Shaft Assy StandS-300925 Lift Bail, 4.265-4 V040 (bearing housing)
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InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.9 A625S Series 14 Oil Sealed Bearing PowerPak MotorA625S PowerPaks are available in several configurations, these can be selected in the MasterOrders attached.
Part Number Description CostMotor Options
S-291060 A625M PowerPak steerable motor, Oil Sealed Bearing, 4-1/2 API Reg bit boxTop Connection
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ShaftsB035744 Bearing Mandrel, 3-1/2 API BoxB035761 Piston Mandrel
M&S ItemsB036826 Seal Kit, completeS-300969 Seal Kit, Bearing AssyB036828 Seal Kit, transmission assyT1035608 Hardware kit, bearing assembly (bearings only)S-289645 Nozzle Kit
Service tools, composed of a selection from the list belowB035763 Thread Protector, Thrust hsg.S272998 Dump valve spring compressor assy.
Transmission coupling make-up wrenchDrive pin for make-up wrenchAdjusting ring lifting tool
S-273271 Thrust pin pulling tool assembly
Revision: AA 2001 Equipment Guidelines Section: PPAK
Date: 05-Jan-2001 Advanced Drilling Systems Page: 21 of 102
Prepared by: R. Fontenot Formatted by: J. Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
1.5.10 PSBM-JA A675S Oil Sealed Bearing PowerPak MotorA675S PowerPaks are available in several configurations, and these can be selected in the MasterOrders attached.
Part Number Description CostMotor Options
S-291528 A675M PowerPak steerable motor, Oil Sealed BearingTop Sub
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Part Number Description CostRNBS Stabilizer
Refer to Tables 1-12 and 1-14Extra Equipment
S-287764 Dummy Bit, 4-1/2 API Reg. Pinuses 1 bit nozzle (22/32), part number B035571S-300907 A675 Rotor Catcher KitS-281804 Aluminum Anode, A675S-287774 Short Aluminum Anode, A675
ShaftsB035944 Bearing Mandrel, 4-1/2 API Reg. BoxB035959 Piston Mandrel
M&S ItemsS-297217 Seal kit, Bearing AssemblyS-300974 Seal Kit, TransmissionB035961 Thread protector, Bearing assyS-272998 Dump valve spring compressor assy. (also for A625, A962, A800)S-272986 Transmission coupling make-up wrenchS-272987 Drive pin for make-up wrenchS-272966 Adjusting ring lifting toolS-273271 Thrust pin pulling tool assemblyS-277656 Nozzle wrench, socket styleM-000255 Nozzle wrenchS-272776 Plate temp. for kelly bushing, 13.5 sq. drive, 8 3/8 3 blades spiral stab.S-272777 Plate temp. for kelly bushing, 13.5 sq. drive, 8 3/8 5 blades straight stab.S-272778 Plate temp. for kelly bushing, 13.5 sq. drive, 9 3/4 3 blades spiral stab.S-275897 Plate temp. for kelly bushing, 13.5 sq. drive, 9 3/4 5 blades straight stab.S-272773 Shop make-up tool, 8 3/8 3 blades spiral stabS-272772 Shop make-up tool, 8 3/8 5 blades spiral stab
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1.5.11 PMDM-JA A675M PowerPak MotorA675M PowerPak is available in several configurations, listed in the Master Orders attached.
S-272950 Transmission AssemblyS-277792 Heavy Duty XP Transmission AssemblyT1035902 2:3 HS Transmission assyS-275826 Transmission Assembly for 1:2 Power Section
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Part Number Description CostRNBS Stabilizer
Refer to Tables 1-12 and 1-14Extra Equipment
S-287764 Dummy Bit, 4-1/2 API Reg. Pinuses 1 bit nozzle (22/32), part number B035571S-287794 Dummy Bit , 6-5/8 API Reg. Pinuses 2 bit nozzles (16/32), part number B035570S-300907 A675 Rotor Catcher KitS-281804 Aluminum Anode, A675S-287774 Short Aluminum Anode, A675
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1.5.12 A700M PowerPak MotorA500M PowerPaks are available in several configurations, these can be selected in the MasterOrders attached.
Extra EquipmentS-287764 Dummy Bit, 4-1/2 API Reg. Pin uses 1 bit nozzle (22/32), part number B035571S-287764 Dummy Bit, 6-5/8 API Reg. Pin uses 2 bit nozzles (16/32), part number B035570S-300907 Rotor Catcher Kit, A675M through A1125MS-281804 Aluminum Anode, A675S-287774 Short Aluminum Anode, A675
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Part Number Description CostBearing Housing
S-283703 7 slick bearing housingS-300625 bearing housing, threaded for stabilizerS-283757 bearing housing w/ 8-3/8 GD integral 5-blade straight stabilizerS-300624 bearing housing w/ 8-7/16 GD integral 3-blade spiral stabilizer
ShaftsS-300613 Drive shaft, 4-1/2 API Reg. BoxS-283757 RNBS Drive Shaft, 4-1/2 API Reg. Box (extended)S-300624 Drive shaft, 6-5/8 API Reg. Box
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1.5.13 PMDM-LA A800M PowerPak MotorA800M PowerPaks are available in several configurations, and these can be selected in the MasterOrders attached. There are two basic options multi-lobe and single-lobe.
S-272623 Transmission AssemblyS-277793 Heavy Duty XP Transmission AssemblyT1035700 GT Transmission AssyS-275662 Transmission Assembly for 1:2 Power Section
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The following items can be ordered separately on a Material Order
Extra EquipmentS-287794 Dummy Bit, 6-5/8 API Reg. Pin uses 2 bit nozzles (16/32), part number B035570T1035542 A800 Rotor Catcher KitS-281744 Aluminum Anode, A800S-287775 Short Aluminum Anode, A800
Service tools, composed of a selection from the list belowS-272691 Lift bail 7.000-V038 (HSG)S-272692 Shaft assembly standS-272693 Lift bail / thread protectorS-272694 Shaft stand-off toolS-272695 Upper radial bearing removal toolS-272998 Dump valve spring compressor assy. (also for A962M, A675M)S-272698 Transmission coupling make-up wrenchS-272700 Drive pin for make-up wrenchS-275654 Adjusting ring lifting toolS-273271 Thrust pin pulling tool assembly (also for A962M, A675M)S-277656 Nozzle wrench, socket style
M-000255 Nozzle wrench (Smith Series 95)S-272779 Plate template for kelly bushing, 28 sq. drive, 12 1/8 3 blades spiral stab.S-272780 Plate template for kelly bushing, 28 sq. drive, 12 1/8 5 blades straight stab.S-272781 Plate template for kelly bushing, 21 sq. drive, 12 1/8 3 blades spiral stab.S-272782 Plate template for kelly bushing, 21 sq. drive, 12 1/8 5 blades straight stab.S-272783 Plate template for kelly bushing, 18 sq. drive, 12 1/8 3 blades spiral stab.S-272784 Plate template for kelly bushing, 18 sq. drive, 12 1/8 5 blades straight stab.S-275898 Shop make-up tool, 12 1/8 3 blades spiral stabS-272770 Shop make-up tool, 12 1/8 5 blades spiral stab
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1.5.14 PMDM-MA A962M PowerPak MotorA962M PowerPaks are available in several configurations, and these can be selected in the MasterOrders attached. There are two basic options multi-lobe and single-lobe.
Adjustable Bend HousingS-272853 Adjustable Bend Housing Assembly, 0o - 3o
S-281866 Adjustable Bend Housing Assembly, 0o - 2o
Transmission AssemblyS-272850 Transmission AssemblyS-277734 Heavy Duty XP Transmission AssemblyS-297436 Heavy Duty GT (XXP) Transmission AssemblyS-300822 2:3 HS Transmission AssyS-275762 Transmission Assembly for 1:2 Power Section
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The following items can be ordered separately on a Material Order
Part Number Description CostStabilizer Sleeves
S-272748 Sleeve 17 1/4, 3 blades 360° spiral wrapS-272750 Sleeve 17 1/4, 5 blades straight long contactS-272755 Sleeve 17 1/4, 5 blades straight short contactS-272764 Sleeve 12 1/8, 5 blades straight short contactT1035775 Sleeve 12 1/8, 5 blades straight short contact, hvy duty (tiled)T1035776 Sleeve 12 3/16, 5 blades straight short contact, hvy duty (tiled)S-273466 Sleeve 13 3/8, 5 blades straight short contactS-275709 Sleeve 14 5/8, 5 blades straight short contactS-275754 Sleeve 15 7/8, 5 blades straight short contactS-273250 Sleeve 17 1/4, 5 blades straight long contact, welded bladeS-273255 Sleeve 17 1/4, 5 blades straight short contact, welded bladeS-272753 Sleeve 17 3/8, 5 blades straight short contactS-272752 Sleeve 21 7/8, 5 blades straight short contact, welded bladeS-273453 Sleeve 25 3/4, 5 blades straight short contact, welded bladeS-281746 Sleeve 27 ¾, 5 blades straight short contact, welded bladeS-297446 Sleeve 27 15/16, 5 blade straight short contact, welded blade.
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The following items can be ordered separately on a Material Order
Part Number Description CostRNBS stabilizer
Refer to Table 1-12 and 1-14Extra Equipment
S-287794 Dummy Bit, 6-5/8 API Reg. Pinuses 2 bit nozzles (16/32), part number B035570S-287795 Dummy Bit, 7-5/8 API Reg. Pinuses 2 bit nozzles (22/32), part number B035571T1035543 Rotor Catcher KitS-281764 Aluminum Anode, A962S-287776 Short Aluminum Anode, A962
Service tools, composed of a selection from the list belowS-272891 Lift bail 8.187-V038 (HSG)S-272892 Shaft assembly standS-272893 Lift bail / thread protectorS-272894 Shaft stand-off toolS-272895 Upper radial bearing removal toolS-272998 Dump valve spring compressor assy. (also for A800M, A675M)S-272886 Transmission coupling make-up wrenchS-272887 Drive pin for make-up wrenchS-272897 Adjusting ring lifting toolS-273271 Thrust pin pulling tool assembly (also for A800M, A675M)S-277656 Nozzle wrench, socket style
M-000255 Nozzle wrench (Smith Series 95)S-272785 Plate temp. for kelly bushing, 28 square drive, 17 3/8 3 blades spiral stab.S-272786 Plate temp. for kelly bushing, 28 square drive, 17 3/8 5 blades strt stab.S-272768 Plate temp. for kelly bushing, 21 square drive, 17 3/8 3 blades spiral stab.S-272769 Plate temp. for kelly bushing, 21 square drive, 17 3/8 5 blades strt stab.S-275899 Shop make-up tool, 17 3/8 3 blades spiral stabS-272771 Shop make-up tool, 17 3/8 5 blades spiral stab
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1.5.15 PMDM-NA A1125M PowerPak MotorA1125M PowerPaks are available in several configurations. There is one basic multi-lobe option.
Extra EquipmentS-287795 Dummy Bit , 7-5/8 API Reg. Pinuses 2 bit nozzles (22/32), part number B035571T1035544 Rotor Catcher KitS-287935 Aluminum Anode, A1125S-287936 Short Aluminum Anode, A1125
Drive ShaftS-291229 7-5/8 Reg. Bit BoxS-291235 6-5/8 Reg. Bit BoxS-293738 RNBS, 7-5/8 Reg. Bit Box (extended)S-293737 RNBS, 6-5/8 Reg. Bit Box (extended)
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Service tools, composed of a selection from the list below:S-273491 Lift bail 8.850-V038 (HSG)S-272892 Shaft assembly standS-272893 Lift bail / thread protectorS-272894 Shaft stand-off toolS-272895 Upper radial bearing removal toolS-272998 Dump valve spring compressor assy. (also for A962M, A800M, A675M)S-273497 Adjusting ring lifting toolS-273271 Thrust pin pulling tool assembly (also for A962M, A800M, A675M)S-277656 Nozzle wrench, socket style
M-000255 Nozzle wrenchS-272785 Plate temp. for kelly bushing, 28 square drive, 17 3/8 3 bld spiral stab.S-272786 Plate temp. for kelly bushing, 28 square drive, 17 3/8 5 bld straight stab.S-272768 Plate temp. for kelly bushing, 21 square drive, 17 3/8 3 bld spiral stab.S-272769 Plate temp. for kelly bushing, 21 square drive, 17 3/8 5 bld straight stab.S-275899 Shop make-up tool, 17 3/8 3 blades spiral stabS-272771 Shop make-up tool, 17 3/8 5 blades spiral stab
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Table 1-7 Stator Thread Gauges
Part Number Description CostS-277852 Plug gauge, A238M statorS-277853 Ring gauge, A238M statorS-277854 Plug gauge, A287M statorS-277855 Ring gauge, A287M statorS-277864 Plug gauge, A350M statorS-277865 Ring gauge, A350M statorS-277856 Plug gauge, A475M statorS-277857 Ring gauge, A475M statorS-300927 Plug gauge, A500M statorS-300928 Ring gauge, A500M statorS-277886 Plug gauge, A625M statorS-277887 Ring gauge, A625M statorS-277858 Plug gauge, A675M, A700M statorS-277859 Ring gauge, A675M, A700M statorS-277860 Plug gauge, A800M statorS-277861 Ring gauge, A800M statorS-277862 Plug gauge, A962M statorS-277863 Ring gauge, A962M statorS-277864 Plug gauge, A1125M statorS-277865 Ring gauge, A1125M stator
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Table 1-9 Flex Collars/ Flex Subs/ Flex Joints
Part Number Description CostS-277808 Drill Collar, Flex, Non-Mag., 3-1/16 OD x 8.5, 2.590-6 V055 x 1.5 TPF Box-by-PinS-277807 Drill Collar, Flex, Non-Mag., 3-1/16 OD x 15.5, 2.590-6 V055 x 1.5 TPF Box-by-PinS-281755 Drill Collar, Flex, Non-Mag., 3-1/2 OD x 8.5, 2.812-6 V055 Box-by-PinS-281754 Drill Collar, Flex, Non-Mag., 3-1/2 OD x 30, 2.812-6 V055 Box-by-PinS-281789 Drill Collar, Flex, Non-Mag., 4-3/4 OD x 8.5, 3-1/2 API IF Box-by-PinS-277954 Drill Collar, Flex, Non-Mag., 4-3/4 OD x 30, 3-1/2 API IF Box-by-PinS-277810 Flex Joint, 3-1/16 OD x 5, 2-3/8 API Reg. Box-by-PinS-277811 Flex Joint, 3-1/16 OD x 5, 2-3/8 API Reg. Box by 2.590-6 V055 x 1.5 TPF PinS-287662 Flex Sub, A475, for 2F-3R Float Valve, 10, 3-1/2 API Reg. BoxS-281861 Flex Sub, A475, for 2F-3R Float Valve, 4, 3-1/2 API Reg. BoxS-287663 Flex Sub, A475, for 3F Float Valve, 10, 3-1/2 API IF BoxS-281862 Flex Sub, A475, for 3F Float Valve, 4, 3-1/2 API IF BoxS-287665 Flex Sub, A675, for 4R Float Valve, 10, 4-1/2 API Reg. BoxS-281707 Flex Sub, A675, for 4R Float Valve, 5, 4-1/2 API Reg. BoxS-287664 Flex Sub, A675, for 5R Float Valve, 10, 4-1/2 API IF BoxS-281708 Flex Sub, A675, for 5R Float Valve, 5, 4-1/2 API IF BoxT1035792 Flex Sub, Non-mag, A675, for 5R Float Valve, 5 long, 4-1/2 API IF BoxS-300721 Flex Sub, A700, for 4R Float Valve, 5, 4-1/2 API Reg. BoxS-300726 Flex Sub, A700, for 5R Float Valve, 5, 4-1/2 API IF BoxS-281685 Flex Sub, A800, for 5F-6R Float Valve, 5, 6-5/8 API Reg. BoxS-281863 Flex Sub, A800, for 5R Float Valve, 5, 5-1/2 API Reg. BoxS-287666 Flex Sub, A962, for 5F-6R Float Valve, 10, 6-5/8 API Reg. BoxS-287667 Flex Sub, A962, for 5F-6R Float Valve, 10, 7-5/8 API Reg. BoxS-281864 Flex Sub, A962, for 5F-6R Float Valve, 5, 6-5/8 API Reg. BoxS-281761 Flex Sub, A962, for 5F-6R Float Valve, 5, 7-5/8 API Reg. BoxT1035676 Flex Sub, A1125, for 5F-6R Float Valve, 5 long, 7-5/8 API Reg. Box
Table 1-10 Kits
Part Number Description CostS-281912 Stator Elastomer Mud Test KitS-293908 Rotor Profile Gauge Kit (most common sizes)S-293935 Rotor Measuring Kit (Micrometer and extensions
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Table 1-13 Rotating Near Bit Stabilizer Subs for PowerPak Motors
Motor Size Stabilizer Sub Connections Part Number Length L5 7/8 3 1/2 API Reg. S-291092 12
A475, A500 5 15/16 3 1/2 API Reg. S-293209 126 3 1/2 API Reg. S-293140 12
8 1/4 4 1/2 API Reg. S-293211 128 3/8 4 1/2 API Reg. S-293141 12
A675, A700 8 7/16 4 1/2 API Reg. S-293210 129 7/16 4 1/2 API Reg. S-293940 12
A825, A962 12 1/8 6-5/8 Reg. Pin X 6-5/8 Reg Box S-293213 1612 3/16 6-5/8 Reg. Pin X 6-5/8 Reg Box S-293212 1612 1/8 7-5/8Reg. Pin X 6-5/8Reg. Box S-293734 1614-3/8 7-5/8 Reg. Pin X 6-5/8 Reg. Box S-297359 16
A962 - A1125 14-5/8 7-5/8 Reg. Pin X 6-5/8 Reg. Box S-297358 1616-3/8 7-5/8 Reg. Pin X 6-5/8 Reg. Box S-297344 1617 1/4 7-5/8Reg. Pin X 7-5/8Reg. Box S-293735 1818-3/8 7-5/8 Reg. Pin X 6-5/8 Reg. Box S-297343 18
21-15/16 7-5/8 Reg. Pin X 8-5/8 Reg. Box S-297447 24.51. All subs have 5 spiral blades.
L
Figure 1-3. Schematic for Rotating Near Bit Stabilizer Subs.
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2. Short Radius Drilling
2.1 Highlights
Anadrills Short Radius service utilizes a unique set of tools for drilling high build rate curves.This service includes custom designed motors for directional drilling and SlimPulse MWD (orwireline steering tool), with optional gamma ray, for real-time measurement and control of thedrilling assemblies.
Short Radius is defined as curves with build rates from 40 deg/100ft to 1.5 deg/ft . This equatesto curves with radii from 143 ft to 40 ft. Another definition of short radius is any curve requiringarticulated tools to drill. Anadrill has defined short radius as any curve from a 40ft radius andlarger that has to be drilled with articulated motors.
There are two versions of the short radius motor, the XF and the XC. The XF is fully articulated,able to pass through casing easily, and can achieve the highest BURs. It needs special handlingequipment, has to be calibrated, and requires special DD training. The XC has a 0-4° adjustablebend in place of the lower articulation, needs no special equipment, is not calibrated and needsno special DD training but cannot achieve the BURs of the XF. The XCs ability to pass throughsmall ID casing is limited by the high bit offset. The XC retains the upper articulation to definethe third touch point and prevent bending moments above the motor from affecting the powersection.
Table 2-1 Short Radius Motor SpecificationsMotor OD 4 3/4
Anadrills XF short radius motor design is based on the existing PowerPak line. Modificationshave been made to the stabilization, the length of the bearing assembly, and the design of thepower section. Articulations, or knuckle joints, above and below the power section allow themotor assembly to pass through the high dog-legs and straight casing while leaving the motorsections straight. The articulations do not affect the build up rate (BUR) of the tool.
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The BUR, or radius of curvature (ROC), is determined by three points of contact: the bit, near-bitstabilizer, and lower pad. This theoretical curve is adjusted primarily by shimming the lower pad,although the near-bit stabilizer diameter and bit diameter and length also have an effect. Morelower pad shims decrease the BUR, fewer shims increase it. The Calibration Programspreadsheet software predicts the theoretical BUR vs. the number of shims used. The top pad isshimmed until the diameter across the lower and top pads is just under hole size to stabilize thepoints of contact. These two pads act like an eccentrically adjustable stabilizer.
In cases with BURs less than 82°/100 the same motor used to drill the curve can bereconfigured at surface to drill the lateral section. For higher curve section BURs a build motorwith a higher fixed bend is used, followed by a lateral motor with a smaller fixed bend. Thesmaller fixed bend allows the stator section to pass through the high BUR curve to drill lowerdoglegs in the lateral. The short radius motor is also compatible with surface drill string rotationfor steerable control in the lateral. Surface drill string rotation depends on the dogleg severity inthe curve and the drill string design. All these factors must be carefully considered prior torotating the drill string.
The near bit stabilizer is positioned very close to the bit on the drive sub. The near bit stabilizeris replaceable and rotates with the bit. This eliminates the problems associated with drilling stepprofiles common with highly offset motors. An articulation bumper between the lowerarticulation housing and the offset housing permits bending towards the tool face only. Thisstiffens the motor sideways for better directional control.
Figure 2-1 XF Articulated Motor FeaturesThe PowerPak XF articulated motor is capable of drilling 40 ft radius curves. The build pads are
easily reconfigured in the field to adjust the build rate. The 475XF is illustrated above. Thearticulation bumpers are not shown.
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2.3 XC Tool Details
Anadrills XC short radius motor design is very similar to the XF except there is no near bitstabilizer and the fixed bend and lower articulation are replaced by a 0-4° surface adjustablebend. The power section, upper articulation, float valve housing, and UBHO are identical to theXFs.
The BUR of the XC system is determined by three points of contact: the bit, kick pad, and toparticulation. This is very similar to a normal steerable motor except that the articulation definesthe upper touch point very accurately as opposed to a normal slick steerable assembly where thethird point of contact can vary considerably with WOB and stiffness differences above the motor.The BURs can be calculated for different kick pad heights and hole diameters using the DoglegPrediction Program. This Excel Spreadsheet program can be acquired from SOPHIA.
Figure 2-2 XC Articulated Motor FeaturesThe PowerPak XC motor has a 0°-4° surface adjustable bend and is capable of drilling 65-70 ft
radius curves. The 375XC illustrated above.
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2.4 General Equipment List
2.4.1 PXMM-DA 4-3/4 XF Short Radius Articulated Motor
Two versions of the 4 3/4 short radius motor are availablestandard and tandem.Part Number Description Cost
S-281885 A475XFT Tandem Power Section Articulated Drilling Motor, same as S-273399 withtwo power sections and additional articulation and transmission.
Required Equipment:S-282322 SHARP Ultra Short Radius Pulser Kit (refer to SHARP MWD Equipment Guidelines)
N/a SlimPulse Ultra Short Radius Pulser Kit (To be released soon, Contact MWD Eng.)S-277954 4 3/4" Non-Mag Flex Collar, 30 feetS-293795 Articulation Bumper Kit
(See Options Below) Stabilizer Sleeve, Pad and Shims KitS-281823 Shop Tool Kit (calibration tools)S-281824 Rig Tool Kit (special handling tools), includes Tool Service Kit S-281828 (hand tools)P-096107 Maintenance Manual
(In SOPHIA) 475XF Calibration SoftwareAFM 610100 Short Radius UOP Manual
Options:Housings
S-281992 Float Valve Housing 3F (optional)Power Sections Refer to Table 1-11 in the Power Pak Motors Equipment Guidelines for optionsStator
S-287771 8 Lobes, 2.0 stages, RM 100 standard elastomer, standard size (standard)Rotor
S-287772 7 Lobes, 2.0 stages, chrome (standard)Pad Kits At least one of the following is required:
S-281822 6-1/8 Sleeve, Pads and Shims KitS-281825 6 Sleeve, Pads and Shims KitS-291011 5-7/8 Sleeve, Pads and Shims Kit
Materials and Supplies:S-273190 Lift Sub, 3 1/2" IF Pin (2 are in the Rig Kit)S-281789 4 3/4" Non-Mag Flex Collar, 8.5 feetS-281952 Tandem Motor Conversion KitS-281706 Thrust Bearing KitS-293795 Articulation Bumper KitS-281821 Initial Inventory Kit for 2 MotorsS-287752 Ring Gage Kit for 6-1/8, 6, and 5-7/8 Bits (1 is in the Rig Kit)S-281535 Pad Radius Gage for 6-1/8, 6, and 5-7/8 Pads (1 is in the Rig Kit)
Revision: AA 2001 Equipment Guidelines Section: ShortRadius
Date: 05-Jan-2001 Advanced Drilling Systems Page: 47 of 102
Prepared by: W. Askew Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
2.4.2 PXMC-DA 4-3/4 XC Short Radius Articulated Motor
The 4 3/4 XC comes with three kick pads of various heights to maximize BUR and stator lengthfor 5 7/8, 6, and 6 1/8 holes.
Part Number Description CostS-293224 A475XC Articulated Drilling Motor, mud-lubricated, 4 3/4" diameter, consisting of:
UBHO, float valve housing, articulation, stator, rotor, 0-4° SAB w/3 kick pads for 57/8, 6 or 6 1/8 hole, and bearing section.
Required Equipment:S-282322 SHARP Ultra Short Radius Pulser Kit (refer to SHARP MWD Equipment Guidelines)
N/A SlimPulse Ultra Short Radius Pulser Kit (To be released soon, Contact MWD Eng.)S-277954 4 3/4" Non-Mag Flex Collar, 30 feetP-096107 Maintenance Manual
AFM 610100 Short Radius UOP Manual
Options:Top Subs
S-281992 Float Valve Housing 3F (optional)Power Section Refer to Table 1-11 in the Power Pak Motors Equipment Guidelines for optionsStator
S-287771 8 Lobes, 2.0 stages, RM 100 standard elastomer, standard size (standard)Rotor
S-287772 7 Lobes, 2.0 stages, chrome (standard)
Materials and Supplies:S-273190 Lift Sub, 3 1/2" IF Pin (2 are in Rig Kit)S-281789 4 3/4" Non-Mag Flex Collar, 8.5 feetS-281706 Thrust Bearing KitS-281821 Initial Inventory Kit for 2 MotorsS-293216 Adjusting Ring, .80 for 6-1/8 holeS-293217 Adjusting Ring, .67 for 6 holeS-293218 Adjusting Ring, .50 for 5-7/8 hole
Revision: AA 2001 Equipment Guidelines Section: ShortRadius
Date: 05-Jan-2001 Advanced Drilling Systems Page: 48 of 102
Prepared by: W. Askew Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
2.4.3 PXMM-CA 3-3/4 XF Short Radius Articulated Motor
Two options are available for the 3 3/4 XF Short Radius motor.Part Number Description Cost
S-287800 A375XF Articulated Drilling Motor with 1 deg. fixed bend, mud-lubricated, 3 3/4"S-293721 A375XF Articulated Drilling Motor with 1.7 deg. fixed bend, mud-lubricated, 3 3/4"
Required Equipment:S-282322 SHARP Ultra Short Radius Pulser Kit (refer to SHARP MWD Equipment Guidelines)
N/A SlimPulse Ultra Short Radius Pulser Kit (To be released soon, Contact MWD Eng.)S-281754 3 1/2 Non-Mag Flex Collar, 30 feetS-297174 Articulation Bumper Kit
(See Options Below) Stabilizer Sleeve, Pad and Shims KitS-287500 Shop Tool Kit (calibration tools)S-287501 Rig Tool Kit (special handling tools), includes Tool Service Kit S-281828 (hand tools)P-096107 Maintenance Manual
(In SOPHIA) 375XF Calibration SoftwareAFM 610100 Short Radius UOP Manual
Options:Power Sections Refer to Table 1-11 in the Power Pak Motors Equipment Guidelines for optionsStator
S-287760 8 Lobes, 2.0 stages, RM 100 standard elastomer, standard size (standard)Rotor
S-287761 7 Lobes, 2.0 stages, chrome (standard)Pad Kits At least one of the following is required:
S-287718 4-3/4 Stabilizer Sleeve, Pad and Shims KitS-291427 4-1/2 Stabilizer Sleeve, Pad and Shims Kit for 2 7/8 Reg Drive ShaftS-287719 4-1/2 Stabilizer Sleeve, Pad and Shims Kit for 2 3/8 Reg Drive Shaft
Materials and Supplies:S-287502 Lift Sub, 2.812-6 V055 pin (2 are in the Rig Kit)S-281755 3-1/2 Non-Mag Flex Collar, 8 feetS-287857 Thrust Bearing KitS-297174 Articulation Bumper KitS-291310 Initial Inventory Kit for 2 MotorsS-287753 Ring Gage Kit for 4-3/4 and 4-1/2 Bits (1 is in the Rig Kit)S-281756 Pad Radius Gage for 4-3/4 and 4-1/2 Pads (1 is in the Rig Kit)
Revision: AA 2001 Equipment Guidelines Section: ShortRadius
Date: 05-Jan-2001 Advanced Drilling Systems Page: 49 of 102
Prepared by: W. Askew Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
2.4.4 PXMC-CA 3-3/4 XC Short Radius Articulated Motor
Two versions of the 3 3/4 short radius XC motor are available. One for 4 3/4 hole and one for4 1/2 hole. The only difference is the kick pad height.
Part Number Description CostS-291391 A375XC Articulated Drilling Motor, mud-lubricated, 3 3/4" diameter with .26 kick pad
for 4 3/4 hole, consisting of: UBHO, float valve housing, articulation, stator, rotor, 0-4° SAB, and bearing section.
S-291489 2 3/8 API Reg Drive Shaft (standard is 2 7/8 API Reg)
Materials and Supplies:S-287502 Lift Sub, 2.812-6 V055 pin (2 are in Rig Kit)S-281755 3 1/2" Non-Mag Flex Collar, 8 feetS-287857 Thrust Bearing KitS-291310 Initial Inventory Kit for 2 MotorsS-291493 .26 Kick Pad for 4 3/4 holeS-291492 .18 Kick Pad for 4 1/2 hole
Revision: AA 2001 Equipment Guidelines Section: CTD
Date: 05-Jan-2001 Advanced Drilling Systems Page: 51 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
3. 6 3/4 Geo-Steering Tool
3.1 Highlights
The 6.75 inch GeoSteering Tool (GST) is based on a standard mudlubricated Anadrillsteerable downhole motor with the addition of a 4 ft. long nearbit measurement sub (NBS). Italso includes an instrumented fixed bent housing integrated between the motor bearing sectionand the surface adjustable bent housing. The fixed bend is located at a distance of 5 ft. from thebit face and is currently available in angles of 0.75°, 1.25°, and 1.5°. The NBS is an oil-containedunit that carries the drive shaft in its center for the transmission of mechanical energy deliveredfrom the power section above to the motor bearing section and the bit below.
The NBS is a self-contained multi-sensor assembly that provides toroidal bit resistivity, lateralarc resistivity, gamma ray, inclination, tool face, and motor RPM information. Measurements aremade at a distance of 2.5 to 8 ft. from the bit face. The NBS uses wireless telemetry (E-mag) tocommunicate with a Receiver sub (RCV) or RAB above the power section so that no directwiring through the motor or other drill string components is needed. The RCV or RABcommunicates with the MWD tool higher in the drillstring through the LTB. The NBSinstrumentation is powered by lithium battery cells. The RCV is powered directly from MWDthrough the LTB.
With each start up of the pumping cycle, the NBS will transmit its survey data (inclination,gravity tool face, total G., and battery voltage) to complement the survey data from the MWDtool. The NBS then enters drilling mode where it transmits bit and arc resistivity, gamma ray, andRPM data. The bit resistivity measurement is capable of operating in all types of mud, whereasthe arc resistivity is accurate only in conductive environments. The gamma ray measurement isnot affected by any kind of mud system, but requires a small geometric borehole correction.
With M3 and M10 (PowerPulse) service, the GST offers formation logging capability duringwashdown jobs in an azimuthal referencing mode with reduced surface RPM. Resistivity andgamma ray data from the GST can then be correlated to the sensor orientation with respect to theGST tool-face measurement to provide resistivity up/down data and gamma ray up/down data forGeoSteering purposes.
Version 6.0 of GST downhole software allows for running the RAB tool in combination with theGST. This brings several benefits while GeoSteering:
• Obtain a lateral style resistivity and images on GST runs
• Eliminates the Receiver Sub from the BHA
• Easy to use azimuthal measurements for up/down steering decisions
• Add the dimension of Real-Time Dip to GST runs
Revision: AA 2001 Equipment Guidelines Section: CTD
Date: 05-Jan-2001 Advanced Drilling Systems Page: 52 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
If a RAB / GST combination run is planned, contact SPC-Engineering for current downholesoftware compatibility. The RCV must have version 3.4F or higher when used with GSTsoftware v6.0. Operation and testing in this configuration is also much different than the standardGST/RCV operation. Refer to the latest operating guidelines from engineering for details.
Dumpvalve
Power section Surface-adjustablebent housing
Sensor andbearing section
Housing Rotor Stator0 - 3˚ Bend
Fixed 0.75˚or 1.25˚ Bend
Figure 3-1 6 3/4 Geo-Steering Tool
675M4548
675M4548
POWER SECTIONREFERENCE
NBS SERIAL NO.
FLAT FORTEST MAGNET
NBSCOVERPLATE
E-MAGTRANSMITTER
MARK FORUP-SIDEOF GST
RESISTIVITYSENSOR
TRANSMITTER ANTENNAINSULATOR
BEND DEGREELABEL
POWERPAKSERIAL NO.
LOBECONFIGURATION
KICKPAD
DUMPVALVE– or –
XOVER
ROTOR& STATOR
STATORADAPTOR
OFFSETHOUSING
ADJUSTABLE BENT HOUSING (ABH)(NORMALLY STRAIGHT)
NEAR BIT SUB (NBS) FIXED BENT HOUSING(NORMALLY .75 DEG)
BEARING ASS’Y BITBOX
OFFSETHOUSING
ABH
INSULATOR NEAR-BITSTABILIZER
Figure 3-2 6 3/4 GST Configuration
Revision: AA 2001 Equipment Guidelines Section: CTD
Date: 05-Jan-2001 Advanced Drilling Systems Page: 53 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
3.2 GST/NBS Specifications
Table 3-1 GST Mechanical SpecificationsGeneralDefinition GST = NBSA Kit + 6.75" PowerPakNominal dimension 6.75"Mechanical SpecificationsNBS geometry Box down subInitial length 4.5 ft (2.5" recut length on each end)Diameter 6.75" OD at box
7.00" OD on top7.50" OD bulge to support toroidal sensor
MaterialNBS Non-magPowerPak Alloy steelBenthousing and stabilizerLower BentHousing 0.75°, 1.25°, or 1.5° FixedUpper BentHousing 0° to 3° Rig AdjustableStabilizers Standard 6 3/4" PowerPak optionsDog-leg SeverityThe GST can be used in sliding or rotary mode when the bent housings generate a bit offset less than 2.2"Maximum dogleg for sliding 16°/100 ft (infinite life)
CAUTIONThe GeoSteering Tool should never be rotated or held with bend facing opposite to the
curve while being in dog-leg section above 12°/100 ft
Connections and crossover subsUpper connection (dump valve / crossover) 4 1/2" Reg, IF, XH, or H90Lower connection (bit box) 4 1/2" Reg or 6 5/8" Reg (motor options)
CAUTIONIt is not recommended to install a crossover below the GST. Any additional length willsignificantly reduce the life expectancy of the radial bearings. The risk of hanging isincreased owing to the additional bit offset. If it must be used, the crossover must be
shorter than 10 inches.
Revision: AA 2001 Equipment Guidelines Section: CTD
Date: 05-Jan-2001 Advanced Drilling Systems Page: 54 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
Drilling parametersHole Size 8 3/8" to 9 7/8"Maximum external pressure 15,000 psiMaximum temperature: 150°C for electronics and lithium batteries.
(May be limited by motor stator material)Hydraulics, torque, power sectionRefer to the PowerPak UOP (T1035807) for details on the specifications and limitations of the PowerPak motor.Flow erosion is of special concern with the long drive shaft in the GST, try to keep flow rate to less than 600 gpm.Both XP and SP power sections can be used with the GST so long as the guidelines in TIR#7 are followed.
Lithium battery specificationsInstallation only at the shop during motor assembly16 cells total (2 batteries per candle, 4 candles connected in series in 2 sets, sets connected in parallel)Protected by diodes and fusesMaximum temperature 150 °CNom. tool life while flowing Approx 200 hours, but will depend on the update rate set
for transmission.Refer to Battery Pack Capacity Worksheet (TIR19)Excel sheet available in SOPHIA
Battery life optimization: Mechanical battery switch for tool storage. 6 month storagelife (battery switch in OFF position)
Flow switch The GST is in stand-by mode when flow is stoppedPower management system Operates when the tool is on
Revision: AA 2001 Equipment Guidelines Section: CTD
Date: 05-Jan-2001 Advanced Drilling Systems Page: 55 of 102
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InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
Down-hole calculation of inclination, tool face and G valueSurvey type measurement at flow restart (as with MWD)
Tool InclinationRange 0° to 125°Accuracy 0.2° (at 2 sigma)Distance from the bit box 8.6 ftTool Face Range 180° to 180°Gamma-ray MeasurementGammaray detector PMT + crystal, gross count, focused systemRange 0 to 250 APISensitivity (typical) 1 cps ≈ 4.5 API unitsCalibration stored in NBS configuration fileAccuracy 10%Resolution 5% for 100 API at 100 ft/hrAzimuthal focusing 5 to 1Window time for integration 10 secDistance from the bit box 7.9 ftRPM MeasurementDrilling optimization through improved WOB control, avoiding motor stalling.Also used to optimize battery life by turning off tool with no RPM present.Average and minimum RPM values are given by the toolRange 0 to 512 rpmAccuracy 1 rpmBit Resistivity in water-based mudRange 0.2 to 2000 Ohm-MAccuracy 5% for resistivity below 200 Ohm-M
10% for resistivity above 200 Ohm-MVertical resolution Typically 4.5 ftDepth of investigation 18 inchesDistance from bit box to point of measurement (mid point) Typically 2.0 ftARC resistivity in water-based mudRange 0.2 to 200 Ohm-MAccuracy 10%Vertical resolution 4 inches typically (sensor)Depth of investigation 12 inchesSensor distance from bit box 4.0 ftTelemetry specifications and limitationsTelemetry modes E-mag or bidirectionalTheoretical capability: 2000 Ohm-m × 150 feet in WBM
200 Ohm-m × 150 feet in OBMRepeat of survey frame transmission (5 times maximum)No repeat of frames while in drilling mode.
Revision: AA 2001 Equipment Guidelines Section: CTD
Date: 05-Jan-2001 Advanced Drilling Systems Page: 56 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
3.2.1 GST / NBS General Equipment List
The GST is available as a complete tool as indicated below or can be retrofitted into an existingA675M PowerPak.
Table 3-3 Complete 6 3/4 Geo-steering Tool
File Code Part Number DescriptionGSTA-CBB S-264820 GeoSteering Tool 6-3/4", includes motor, 0.75° bent housing NBSGSTA-CBC S-278100 GeoSteering Tool 6-3/4", includes motor, 1.25° bent housing NBSGSTA-CBD S-278101 GeoSteering Tool 6-3/4", includes motor, 1.5° bent housing NBS
The Near-Bit Sensor Sub can also be specified for retrofitting into an existing motor:
Table 3-4 NBS Options
File Code Part Number DescriptionNBSA-CBB S-278061 Near-Bit Sensor Sub with 0.75° bent housingNBSA-CBC S-278102 Near-Bit Sensor Sub with 1.25° bent housingNBSA-CBD S-278103 Near-Bit Sensor Sub with 1.5° bent housing
Only the multi-lobe configured A675M PowerPak is available for the GST.
Table 3-5 Standard Motor Configuration
Part Number DescriptionS-272952 A675M PowerPak multi-lobe steerable motor, mud lubricated,
The following configuration is offered as standard:S-272949 Dump valve, 4 1/2" Reg boxS-272934 5 lobe stator, RM 100 standard elastomer and standard sizeS-272935 4 lobe rotor, (goes only with 5 lobe stator)S-272951 Bearing housing threaded for sleeve stabilizer, 4 1/2" Reg bit box
For other configurations, refer to the GST master order.
Table 3-6 GST M&S Items
Part Number DescriptionP-600004 GeoSteering Tool (GSTA-CB*) Repair and Maintenance Manual (3 volume set)S-278598 GeoSteering Tool (GSTA-CB*) Operations ManualS-272790 Thrust bearing kit for A675M motorH350963 High Capacity Lithium Battery (8 in each battery pack)H350933 Insulator for High Capacity battery.S-264950 6.75" GST Tools. This document lists GST repair and maintenance tools.S-264635 Assembly procedure for lithium battery packS-278018 Recommended Shelf Items for 6.75" GSTB-CBB. A list of recommended spare parts
for the GST.
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Date: 05-Jan-2001 Advanced Drilling Systems Page: 57 of 102
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InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
3.3 RCV-CA 6 3/4 Receiver Sub
The Receiver sub (RCV-CA) is currently available in a 6-3/4" size. Its main function is as a realtime communication link between the GST or RAB and MWD. Data is communicated upholefrom the GST/RAB via E-mag telemetry. This data is then passed on to MWD via LTBcommunication.
The RCV is compatible with M3 or PowerPulse but cannot be used with the M1 telemetrycartridge. The upper end of the RCV is equipped with a MEXU-BA extender. The lower end isdesigned to simulate the bottom end of the M10. It is recommended that a saver sub be usedbelow the RCV if a Non-mag collar is to be screwed into this end.
The RCV sub comes equipped with an 8" screw on Non-mag straight blade stabilizer. Thisstabilizer is compatible with the PowerPak screw on stabilizer, but it is recommended to use aNon-mag version if possible. The alloy steel stabilizers may have some adverse effects on theD&I sensors in MWD. Changing the stabilizer on site is not recommended, but can be done if theproper tools are present.
Connecting to M10 With IWOB
The RCV sub has a unique design that eliminates the need for a saver sub when connectingdirectly below M10. The RCV is designed to be made up directly to the M10 collar (without theSaver sub). When this is done, the lower M10 extender must be replaced with a standard femaleextender for LTB communication to the RCV. If CDR is being run below the RCV sub the lowerM10 saver sub (MSSA-BA) is then to be used below the RCV in combination with the lowerM10 extender (MEXD-AA).
Connecting to M10 Without IWOB
The standard lower saver sub and extender must be used on the bottom end of M10 in theabsence of a special length LTB extender. It is also recommended that a saver sub be usedbetween the RCV and CDR if this connection is to be made up on the rig. The use of this sub willrequire a lower M10 extender (MEXD-AA).
Connecting to M3
The RCV sub is made up to M3 using a LSS-BA or LSS-BB Saver sub. If CDR is run below theRCV sub a Saver sub (MSSA-BA) should be used in combination with the lower M10 extender(MEXD-AA). It is not recommended to connect CDR directly into the RCV sub unless it is donein the shop.
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Date: 05-Jan-2001 Advanced Drilling Systems Page: 58 of 102
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InTouch Coordinator Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
Table 3-8 RCV Mechanical SpecificationsAPI Collar Size 6-3/4 inCollar OD (uphole end) 6.89 inCollar OD (stabilizer bulge) 7.50 inAntenna OD 7.38 inCollar OD (downhole end) 6.62 inMakeup Length 5.97 ftTool Weight 550 lbmMax Flow Rate 800 gpmAverage Inertia 72.0 in4
Equivalent Bend Stiffness 6.25 in OD × 2.81 in IDMax. Operating Torque 12,000 ft-lbfMax. Tensile Load 550,000 lbfMax. WOB (lbs) (Same as M3, M10 Spec)Max. Operating Pressure 15,000 psiMaximum Temp 150 °CStabilizer OD (screw on sleeve) 8.00 in.Connection SpecificationsUpper Connection 5-1/2 FH boxLower Connection 5-1/2 FH pinMakeup Torque (ft-lbf)(non-mag to non-mag) 22,000 - 24,000(non-mag to BeCu) 19,000 - 21,000Upper Connection BSR 2.00Lower Connection BSR 2.00E-mag TelemetryTheoretical capability 2000 Ohm-m × 150 feet in WBM
200 Ohm-m × 150 feet in OBM
Revision: AA 2001 Equipment Guidelines Section: CTD
Date: 05-Jan-2001 Advanced Drilling Systems Page: 59 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
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4. Coiled Tubing Drilling
4.1 Tool Details
4.1.1 CTOT-AA Orienting Tool
The orienting tool (S-281561) was originally designed by Dowell, but is now manufactured byAnadrill. This tool allows the operator to control the orientation of the BHA below it; i.e. themotor tool face. Functioning as a hydraulic ratchet, when the flow rate drops below a certainlevel, a spring loaded piston moves up and slightly right. As the pump rate is returned to normal,the spring loaded piston travels down engaging the next set of slots or grooves that rotate thesleeve (moving the lower housing in the opposite direction). Each complete cycle turns the BHA30 degrees.
Because the hydraulic piston is essentially fixed to the upper housing of the tool, the sleeverotation to the right is in effect moving the BHA below the tool to the left. This counterclockwise rotation of the BHA was designed to make use of the reactive torque from the motor tohelp overcome drag and turn the BHA. It is also assumed that the tool string above the orientingtool is restrained from rotating due to hole drag.
Be cautious of the flow rate restrictions. Any flow rate above 120 gpm could severely limit thefunction tool life. The splines of the spring loaded piston are not able to withstand the higherdrilling torque associated with 4-3/4" motors. Directional operations with motors larger than 3-1/2" are not recommended for these reasons. There are no other orienting tools on the openmarket that will fill this need.
A high torque retrofit kit is available for existing orienting tools. The modification provides threetimes more torque than the original design and will retrofit on any of the existing tools. All neworienting tools will be high torque models.
There are some areas where the natural tendency is for the tool face to roll left as drillingprogresses. In these applications, a slight tool face correction to the right is needed. With thecurrent tool, one needs to ratchet the tool face all the way around to the left to achieve the desiredchange.
Note: the standard orienting tool turns the BHA to the left. Right-handed orienting tools can beassembled with the spline mandrel and spline sleeve in the equipment list and on the MasterOrder sheet.
A service tool kit (S-281721) available through manufacturing that covers the expendablesneeded to service this tool and the drilling connector.
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4.1.2 CTCT-AA Drilling Connector
The drilling connector (S-281559) is another tool originally designed by Dowell, but now offeredby Anadrill. The drilling connector is actually three tools in one. It incorporates a pull orhydraulic disconnect, flapper valves for pressure control, and a drop ball circulating sub.
It has a flow limit of 120 gpm. Any extended operations at flow rates above this level will causeerosion of the tool and severely limit the functional life. If higher flow rates are required(typically for drilling with larger BHA's) many other connectors are available on the openmarket. Some of the more common suppliers are Grifco and Petrotech. Dowell is familiar withthese alternatives.
The top sub of the drilling connector assembly is a non-rotating joint which allows for the finalfield connection of the BHA to the coiled tubing. Since coiled tubing cannot be rotated like aKelly, the non-rotating joint allows for the final make up of the BHA. This is a low torqueconnection with set screws to allow for final make up with a pipe wrench. Although it is a part ofthe drilling connector assembly, it is shown as a separate item on the BHA sketches.
A service tool kit is available through manufacturing that covers the expendables needed toservice this tool and the orienting tool.
The same CTD Support Tool Kit (S-281721) listed under the orienting tool will support theexpendables for the drilling connector also.
4.1.3 CTCT-BA Bottom-NRJ Drilling Connector
In some coiled tubing drilling applications, for pressure testing or injection, it is desired that thenon-rotating joint (NRJ) be located on the bottom of the drilling connector tool. For this reason,the Bottom-NRJ Drilling Connector Tool (S-291309) is available. This tool is very similar to theDrilling Connector tool (CTCT-AA). It incorporates the check valves, disconnect piston, andcirculating piston. However, the big difference is that the NRJ has been moved from the top ofthe tool to the bottom. The top end of the tool is a check valve housing with a 2-3/8 API Reg.Box connection. The bottom end of the tool has an NRJ connected to the 2-3/8 API Reg. Pin ofthe bottom sub. This NRJ is also 2-3/8 API Reg. Box by Pin.
4.1.4 Coiled Tubing Connector
The coiled tubing connector is merely the crossover from the coiled tubing to the drillingconnector. This tool, designed by Dowell for drilling applications, incorporates set screws tohold the connector in place on the coiled tubing.
A coiled tubing dimple tool is required to make the initial indentation pattern in the coiledtubing. Once this is done, the coiled tubing connector (or dimple connector as it is called) isplaced on the coiled tubing and the set screws torqued into place. The coiled tubing connectorand dimple installation tool will remain the responsibility of Dowell.
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Again for higher flow rate or larger hole applications, there are many other styles available onthe open market. Dowell is familiar with these alternatives.
4.1.5 Other Related CTD Equipment
a) UBHO
A custom designed UBHO sub (S-277980 steel, & S-277982 non-mag) is available for smalldiameter (3-1/16") applications. It utilizes a custom key sleeve and custom Slim 1 stinger.
A custom built adjustable key sleeve (S-261388), similar to a standard design, with a custombuilt flow through stinger (S-261387) for Slim 1 is available. Again, due to the small diameters, aflow through stinger is required for the mud flow.
The adjustable key sleeve is an advantage over the fixed key because it is much moreconventional. Use of the fixed key sub caused a tool face orientation correction problem on someof the early jobs.
This new UBHO design is part of the CTD Master Order. The UBHO can be ordered in steel ornon-mag depending on your specific needs.
b) Flex NMDC
Standard non-mag collars with 3-1/16" OD for 3-3/4" hole are available. To get the proper flowvelocities around the Slim 1 tool, the ID was designed at 2-1/16". This ID allows for adequatefluid velocities (50 fps or less) up to a flow rate of 144 gpm. A custom thread profile wasrequired for the OD/ID restrictions, thus the Anadrill designed 2.590" V055 thread was used.
A bore back was put into the box end of each to accept a modified Slim 1 flow sleeve. Thissleeve will drop into the top of the NMDC and rest on a shoulder at the bottom of the bore back.The bore back is pushed deep enough to allow room above the sleeve for the swirler required forlow flow operations. The swirler must be deep enough to avoid interference with the pin of theconnection above. The modified flow sleeve and swirler are part of the Slim 1 low flow kit, S-267648.
The 15 ft length of the flex non-mags (S-277807) is a function of needing to keep the individualBHA components at 15 ft or less for handling constraints on the coiled tubing units. Two 15 ftpieces could then be used for Slim 1 only jobs. An additional 8 ft piece (S-277808) could beadded for the addition of GR. Again, the idea is to keep each component and the overall BHA asshort as possible. With this setup, the D&I package is essentially right at the connection betweenthe two 15' non-mags.
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The flex profile was implemented for use in high build rate applications. This profile will allowthe BHA to be more flexible when negotiating the curves. The flex profile provides an additionalbenefit during pressure deployment. The BHA is too long to deploy in one piece. Therefore it hasto be run in the hole in several sections. The gripper rams in the BOP stack along with some slipson the working floor can be used to hold the BHA when making up the next section. The 2-7/8"flex OD on the NMDC is ideal for the gripper rams.
A Slim 1 modification which moves the D&I package to the bottom of the tool (thus the optionof ordering a non-mag UBHO sub - and non-mag motor if really necessary) is available.
The non-mags can be custom ordered to any dimension needed. Once a new operating area gainssome experience with these tools, they may want to customize their equipment set up.
c) Slim 1
The Slim 1 pulser has gone through many changes to get to the current low flow design. Thisdesign also introduces a swirler to increase the torque acquired from the fluid by the impeller.One operating parameter to pay particular attention to is the pressure threshold required to get asurvey. This pressure or flow rate threshold needs to be balanced properly with the functionalflow rate threshold of the orienting tool. The idea is to be able to get a Slim 1 survey withoutratcheting the orienting tool. The flow rate at which this is done must be given considerationprior to the job start. Many operators have used a pump test in the shop to identify the thresholdsand the corresponding flow rates.
4.1.6 Optional Tools
a) Jars
Anadrill's 3-1/16" fishing jars (#45577) have been used on some CT drilling operations. Thesejars are shorter than any of the competitor's jars in comparable sizes, but they do add over six feetof length to the BHA. This particular size of jar is not available in most locations. Using theseAnadrill FB fishing jars as drilling jars is not very common. Depending on the location, manyoperators do not require the fishing tools to be on location. Knowing where to find the toolswhen needed has been sufficient.
b) Flex Joints
Flex joints can be placed immediately above the motor to maximize the effective build rateswhen needed, as well as to minimize the affect that any bending moments from the BHA abovethe motor may have on the BUR. The effectiveness of flex joints will vary from job to job, buthave been shown to add two to four deg/100' to the build rate achieved by a given motorconfiguration. Flex joints can be run on each side of the orienting tool in high build rateapplications to attempt to isolate the orienting tool from the bending moments of the BHA bothabove and below the tool. In some previous work, the orienting tool would not function in a highbuild rate curve. The BHA had to be pulled up above the KOP to operate the orienting tool.
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The high torque orienting tool will extend the operational range. These limits are a function ofthe hole size and build rate. Recommendations are included in the orienting tool operationsmanual. In general, the flex joints are not used very often, but will remain available fromAnadrill Manufacturing if needed.
c) Non-rotating Connector
The non-rotating connector, or field connection, of the drilling connector has been customizedfor use in other parts of the BHA. In some specific pressure deployment applications, there maybe a need for a non-rotating joint at some other point in the assembly. This is rare, but can bebuilt as needed. Further experience will help identify the need for this modification.
d) Float Sub
As on conventional jobs, float subs may be required above the motor. With the 3-1/16" BHA inuse with CTD operations today, one can still run a float sub using Baker 1R floats as needed. Forjobs requiring pressure deployment of the BHA, operators have typically required a sub with twofloats. A float sub that accommodates two Baker 1R floats is part of the Master Order (S-281627).
Fishing tools should be considered prior to the job - especially in more remote locations. Fishinghas been done successfully over the years using coiled tubing. The complications that arise aredue to the small annular clearances for overshots in some of the smaller holes, and the difficultyin trying to achieve a slow rotation of a fishing tool using a downhole motor. Most operatorshave not required the fishing tools to be on location. It has been sufficient in most applications tohave the fishing tools located for last minute call out only.
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f) TIW Safety Valve
A TIW safety valve is recommended as a safety device for tripping the BHA on under-balanceddrilling applications requiring deployment of the BHA under pressure. This item is rarely usedand is only on the Master Order Form for very specific applications.
The design of the BHA and use of pressure deployment needs to be considered carefully withevery contingency thought through completely. The Dowell Project Manager is normallyresponsible for the deployment procedure and contingency plans.
1"Length 61.1"ThreadsUpper standard 2.0625"-10 stub acme-2G (2-3/8 API Reg. Box available)Lower 2-3/8 API Reg. PinMakeup torqueField connection 400 to 500 ft-lbf.2.06" std thread 2,500 ft-lbf.2-3/8" API Reg. 2,600 ft-lbf.Load LimitsYield torque 2,700 ft-lbf.Operating torque 1,000 ft-lbf.Max. tension when released 2,000 lbf. (damage to parts may occur if higher)Tensile yield 110,000 lb. (pull apart)Operating tension 30,000 lbf.Max. bending moment 35,000 in-lbf. will yield top sub (use flex joints in BHA over 20,000 in-lbf.Operating LimitsMax. internal pressure 7,500 psiMax. temp 300 °FMax. bending (2 7/8" OD BHA) @30 deg/100' may require 10 klbf. Load to pull out
@10 deg/100' will pull out with 2k lbf. load after releaseMax. flow rate 20 gpmPressure valuesBall drop release 3,300 psi with 12 brass shear pinsDifferential pressure release 9,000 psi with 12 brass shear pins (not used, to release but must watchCirculation valve ball drop 2,200 psi with 9 brass shear pins (optional)
1,950 psi with 8 brass pins (optional)Circulation valve differential 6,400 psi with 9 brass shear pins
5,700 psi with 8 brassPressure consistency +/- 300 psi
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1. Pressure values above are with Sprague type high pressure pumps; with high volume pumps,expect lower values due to pump pulsation.
Mud type psi No restrictions (any debris must pass nozzle in spline)Torque generated psiNominal Output Torque psi 150 ft-lbf
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4.2.1 Equipment ListTable 4-3 Items required for CTD operations
File Code Part No. Description Unit CostCTOT-AA S-281561 Hi Torque CTD Orienting Tool: 3-1/16" OD, 2-3/8 Reg. box by pinCTCT-AA S-281559 CTD Drilling Connector: 3-1/16" OD, 2-1/16" 10 S.A. box by 2-3/8" Reg. pinCTCT-BA S-291309 On-Bottom NRJ CTD Drilling Connector: 3-1/16" OD, 2-3/8" Reg Box by Pin
S-261387 Flow through StingerS-261388 Custom Key Sleeve special build for CTD UBHOS-277807 NMDC - Flex Profile: 3-1/16" OD, 2-1/16" ID, 15.5', 2.590-6 V055 box by pinS-277808 NMDC - Flex Profile: 3-1/16" OD, 2-1/16" ID, 8.5', 2.590-6 V055 box by pinS-277980 UBHO Sub (steel): 3-1/16" OD, 2.590-6 V055 box by 2-3/8" Reg. pinS-277809 XO Sub: 3-1/16" OD, 2-3/8 Reg. Box by 2.590-6 V055 pinS-277812 Lift Sub: 2.590-6 V055 pinS-277545 Lift Sub: 2-3/8" Reg. PinS-277810 Flex Joint: 3-1/16" OD, 1-1/4" ID, 5' (2-3/8" Reg. box by pin)S-277811 Flex Joint XO: 3-1/16" OD, 1-1/4" ID, 5' (2-3/8" Reg. box by 2.590-6 V055 pin)
Table 4-4 Items required for Pressure Deployment
Part No. Description Unit CostB034675 TIW Safety Valve - 3-1/16" OD - 2-3/8" Reg. box by pinS-281627 Float sub - 3-1/16" OD - 2-3/8 Reg. box by pin - bored for two Baker 1R floatsB034673 Baker size 1R float - complete
Table 4-5 Optional Items
Part No. Description Unit CostS-281721 Coiled Tubing Drilling Support Tool KitS-281659 Spline Mandrel, 15° Right-Hand, 3" Orienting ToolS-281660 Spline Sleeve, 15° Right-Hand, 3" Orienting ToolS-281569 2-3/8" API Reg. Top Sub (20.50 O.A) - 3" NRJS-281570 SWIVEL - NRJ Pin to 2-3/8" API Reg. Pin (5.1 LG. Ring)S-281571 SWIVEL - NRJ Pin to 2.590-6 V055 Pin (5.1 LG. Ring)S-281572 NRJ Pin to 2.590-9 V055 Pin (5.1 LG. Ring) - 3" NRJS-281573 NRJ Pin to 2-3/8" API Reg. Tool Joint Pin (5.1 LG. Ring) - 3" NRJ
45577 3-1/16" Anadrill FB JarsS-277982 UBHO Sub (non-mag)-3-1/16" OD-2.590-6 V055 box by 2-3/8" Reg. pinS-277847 Thread Protector for 2.590-6 V055 pinS-277848 Thread Protector for 2.590-6 V055 boxS-281628 Thread Gauge - 2.590-6 V055 - Pin only - Thread Spec:S-272661S-281698 Thread Gauge - 2.590-6 V055 - Box only - Thread Spec:S-272662B034674 1R Baker Float Metal Rebuild KitB034860 1R Baker Float Rubber Rebuild KitS-281993 TIW Safety Valve Rebuild Kit
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The following part numbers are provided for reference only. These parts are to be provided andinstalled by Dowell (or other CT contractor) as part of the coiled tubing service.
Table 4-6 Items normally provided by CTD Contractor
25-537911090 High Pressure Strainer, 2" male x female 1502, 10 ksi rupture disc: 240 x .06" holes25-537916090 High Pressure Strainer, 2" male x female 1502, 10 ksi rupture disc: 148 x .125" holes
The following are the part numbers for the CTD tools maintenance manuals
Slim-1 equipment should be ordered separately. Refer to the Slim 1 Master Order or contactEngineering.
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5. VIPER
5.1 Highlights
VIPER is a 2 7/8 wireline steerable BHA for coiled tubing drilling and slimhole re-entryoperations for drilling wellbores from 3-1/2 to 4-3/4. It incorporates an electrical disconnect, atelemetry tool, and an orienting tool. VIPER can be used with any drilling fluid or gas and isideal for underbalanced drilling operations. The electric disconnect system is actuated from thesurface and requires a minimum 600 psi hydrostatic pressure to operate. A secondary mechanicaldisconnect is also available. The measurements provided by the telemetry tool are D&I, gammaray, external pressure, internal pressure, orienting tool position, casing joints detection, andmotor stall indicator. The orienting tool is electrically actuated from the surface and providesrotation in both directions with fine resolution of toolface. A standard wireline telemetryformatting (CTS) is used to transmit data to the surface and command the orienting tool. TheWAFE system interfaces the wireline to IDEAL/WIS and provides electrical power to the BHA.Log presentation, data storage, and orienting tool control are supported by IDEAL. IDEALinterfaces to Dowells CoilCat surface acquisition system through an ethernet link.
5.2 Details
5.2.1 Surface System
The surface system includes the IDEAL system, the WAFE system, a dummy cable (CIA-B), aUPS, and all required cables. Note that a rotary collector (COL-ZA) is needed for the CT Unit,but is considered an optional item as it may already be in place on the CTD unit.
IDEAL supports the real time display, the orienting tool control, the log presentation, thedatabase for all measurements, and VIPERScope. The IDEAL PC is connected to the WAFEthrough an Ethernet link. The surface measurements (depth, coiled tubing tension, pressure, etc.)are transmitted real time to IDEAL via the CoilCat system (Dowell surface system). The CoilCatmachine is connected to IDEAL through an Ethernet link.
The WAFE system is the acquisition front end interfacing IDEAL and the CTS telemetry. It alsoprovides the power for the BHA. The WAFE must be equipped with a CTS module (TCM) andhave minor modifications for the cable fault detection system. The system is designed to operatewith a standard heptacable 7-46, or 7-42 type, 15,000 ft maximum length. Four conductors areused for the power supply (400 VDC) and the telemetry signals, one conductor for the electricaldisconnect, and one conductor for the cable fault detection system.
The cable interface adapter, (CIA) S-281133, must be used every time the cable length is lessthan 10,000 ft.
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As noted above, an explosion proof 8 ring collector COL-ZA (H709710) must be installed on thecoiled tubing reel for connection to the wireline.
5.2.2 Drilling Head (VDHA-BA)
The Drilling Head allows for the connection of the BHA to the coiled tubing (2", 2 3/8" or 2 5/8OD) and the wireline in both overbalanced and underbalanced well drilling. It includes a quickconnect, an electrical disconnect (a minimum pressure of 600 psi is needed to activate thesystem), a TIW type Ball valve and two float valves located above the electrical disconnect. TheDrilling Head can be connected directly to a other downhole tools (i.e. PowerPak motors) usingthe 2 3/8 API crossover S-280965. The Drilling head comes equipped with adapters for 2 or 2-3/8 coil tubing. It also includes the clamp assemblies for 7-46P, 7-46P-CAP, 7-42P or 7-42P-CAP wireline cable.
5.2.3 Telemetry Tool (VOEA & VDGA)
The Telemetry Tool includes the following modules :
• Telemetry/CPU: CTS telemetry and downhole bus (ISB) interface.
• Power Supply: digital and analog power supply for ISB.
• Pressure: pressure sensors*, acquisition electronics, DSP, and ISB interface.
• UDIM: D&I sensors*, acquisition electronics, DSP, and ISB interface.
• UGRM: Gamma ray detector*, acquisition electronics, microcontroller, and ISBinterface.
*Note: The calibration coefficients are stored in a EEPROM located in each module. Thesecoefficients can be downloaded directly from VIPERScope via the ISB using the VIPERScopeInterface Box S-281122.
The UDIM and UGRM are the same modules used in the SHARP tool.
5.2.4 Orienting Tool
The Orienting Tool allows orientation of the steerable motor in either direction, right or left, andcan also be used in a continuous rotation mode. It includes the following sections :
• Orienting tool electronics: acquisition, motor drive, microcontroller, and ISB interface.
• Motor assembly: brushless DC motor, brake, 4-stage gearbox.
• Final stage assembly: one stage gear box, radial/thrust bearings, rotary seals.
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5.2.5 PowerPak
The VIPER BHA is designed to be run with a 2 7/8, 3-1/8, 3-1/2 and 3-3/4 PowerPakmotors. The PowerPak must be equipped with a non-magnetic power section in order not toperturb the magnetic measurements. Care must be taken when running with heavy mud weightsnot to exceed 1000 ft-lb. stall torque on the motor as the motor is directly coupled to the geartrain in the orienting tool.
The non magnetic float sub S-291547 can be connected between the orienting tool and the powersection to allow a two part deployment into a live well (see Dowell Coiled Tubing OperatorsManual). Any sub located between the power section and the orienting tool must be nonmagnetic.
5.2.6 Short Radius Drilling
VIPER is designed to operate in 100°/100 ft radius (DLS). Anytime the dog leg severity is toexceed 30°/100 ft, the Articulated Assembly is to be run between the orienting tool (VOMA) andPowerPak. This knuckle joint reduces the bending stresses on the gearbox.
5.2.7 Underbalanced Drilling
Special precautions for deployment must be taken when VIPER is run in an underbalanced well.The Drilling Head is the primary well control valve during deployment of the BHA into and outof the well. Well control is critical in live wells - those that have well head pressure duringdrilling and deployment. Two versions of the Drilling Head exist:
• VDHA-AA (S-): Can be used only in dead wells situations (no wellhead pressure whenpumps are off) and where the entire BHA can be deployed in a single stage. This tool hasbeen obsoleted by VDHA-BA, cannot be ordered and is supported with spare parts only.
• VDHA-BA (S-291815): Must be used if single stage deployment cannot be accomplished orin live wells (wellhead pressure at all times).
In either case, a float valve sub (B034673) is to be run between the PowerPak motor and theVIPER BHA for added safety during deployment.
When the use of the articulation joint is not desired, a cross-over float sub (S-291547) is alsoavailable to connect the orienting tool to the PowerPak stator. This float sub also holds the floatvalves and will allow for a two-stage deployment into a live well (see Dowell Coiled TubingOperators Manual). This sub is non-magnetic so as not to perturb the magnetic measurements.
5.2.8 Multi-cycle Disconnect (S-291580)
The VIPER system has the option to run an additional disconnect between the VIPER tool andthe PowerPak motor. This option is to reduce risks associated with lost in hole cost.
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The 3.06 multi-cycle disconnect (MCD) is designed for coiled tubing operations where a reliable,variable set, disconnect is desirable. This particular model is non-magnetic for close operationwith MWD tools such as VIPER. The MCD allows for a controlled setting of the tensile weakpoint simply by machining the OD to the proper diameter.
The tool consists of a J-slot which is actuated by pickup/slack-off of the drill string. This motion(via the J) unscrews a nut with very large threads. The tool is oil filled and the mechanism isalways in oil. The tool has a weak point sleeve which must be pulled apart before the J-slotmechanism is engaged. Once the weak point is pulled apart, the disconnect process starts. After4-1/2 pickup/slack-off cycles a flow port is opened between the ID and annulus (when offbottom). The circulation port is a tattle-tale device to signal proper operation or give notice ofpremature disconnect. After 7-1/2 cycles the tool will disconnect. A 3 GS fishing neck is left inthe hole facing upward.
The tool allows for a full tensile pull on the assembly once the weak point has been broken. Infact a full tensile pull can be performed on every up stroke except for the last cycle (sixth stroke),This stroke is limited to 20,000 lb. pull because of the threads on the releasing nut are not fullyengaged.
The length of the tool is 39.4 inches with a 2-3/8 API Reg. connection on top and bottom: Boxup, pin down. The tensile sleeves can be set from 10,000 to 40,000 lb. The proper setting for aparticular well is determined by the amount of predicted pull at TD. These calculations are doneusing the Dowell CoilCade system.
5.2.9 Logging Adapter (S-291881)
The logging adapter is an optional item that allows the operator to quickly and efficiently laydown the VIPER BHA and pick up an openhole wireline logging tool without having to re-headthe coil tubing. The logging adapter incorporates the quick connect and a male TLC connector toadapt directly to the upper end of the VIPER drilling head. The assembly also has a TIW typeBall Valve, two float valves and the Multi-cycle disconnect incorporated into the tool. The tooladapts directly to the 2 ½-in. SlimAccess tools or 2-3/4 and 3-3/8 logging tools with crossoverssupplied by W&T.
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5.3 Specifications Table 5-1 Downhole Environment
Maximum weight on bit 11,500 lbf.Absolute overpull 39,500 lbf.BUR 100 deg/100 ft maximum.Total internal pressure 18 Kpsi maximum.Maximum difference between internal and annular pressure 5 Kpsi.Flow rating 130 gpm maximum.Drilling fluid no restriction.Temperature 150 degC maximum.Overall length 32 ft (not including the PowerPak motor)
Table 5-2 MeasurementsInclination
Range 0-125 deg,Accuracy +/- 0.1 deg (1 sigma).
AzimuthRange 0-360 deg,
Accuracy +/- 1 deg (1 sigma), for inclination > 5 deg.Tool face
Range +/- 180 deg,Accuracy +/- 1 deg (1 sigma).
Casing collar locatorDetection of the magnetic anomalies generated by the casing joints (x axis magnetometer).Gamma-Ray
Table 5-3 Orienting ToolConstant rotation or tool face correctionMaximum torque 1000 ft.lbf, left or right.Maximum speed 1 rpm, left or right.Angular resolution +/- 1 degree.
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5.3.1 VIPER Equipment List Table 5-4 VIPER Tool Set
File Code Part Number Description Price EstimateVBHA-AB S-280703 *2 7/8" Wireline Coiled Tubing Drilling BHAVSSK-AA S-280707 **VIPER Surface Equipment Kit
VOEA-AA, VOMA-AA, VTTC-AA, VDGC-AA, VOTC-AA. Refer to table below:2. **The VIPER Surface Equipment Kit (S-280707) includes all items necessary for field test and operation3. *** The VIPER Start-up Kit includes spare parts, Calibration equipment and special tools for shop and rig.4. The VDHA is suitable for 2", 2 3/8" and 2 5/8 Coil tubing along with 7-46, and 7-42 Heptacables.
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Table 5-6 Surface System Optional Items
File Code Part Number Description Price EstimateCOL-ZA H709710 Explosion Proof 8 Ring CollectorVPWA-AA S-281117 Wafe Modified for VIPER (including TCM)
S-286116 Plastic Shipping box for IWS-AAE051425 0.5 KW UPS
CIA-BA S-281156 Cable Interface Adapter (Used for CT less than 10,000 ft)COL-ZA H709710 Explosion Proof 8 Ring Collector
P-025801 Ideal Field Reference ManualE055203 Disconnect Power supplyH502344 ***WAFE Spare Board KitH502490 ***WAFE DC Voltage spare board
***If the Surface System is limited to one WAFE only, the above boards are recommended to assume redundancy of thesurface system.
Table 5-7 VIPER Cables
Part Number Description Price EstimateS-280987 Power up Tool Cable, Female Cannon x Female TLCS-281135 Test Cable, CIA Female Cannon x Male TLCS-281134 CIA to Collector CableS-263823 Cable, Rig Floor EthernetH540827 WFMD AC CordS-281157 Disconnect Adapter CableS-263829 50ohm Ethernet Coax Cable (15ft)S-281164 110V 15A to30A Twislock PlugH502384 WFMD to WFDDH508394 W94 AC CordB033585 Ethernet T-ConnectorsB0335586 Ethernet 50 ohm Terminator
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Table 5-8 VIPER Optional Items
Part Number Description Price EstimateS-291580 Multi-Cycle DisconnectS-280832 2 CT Dimpling BodyS-280833 2-3/8 Dimpling BodyS-291885 2-5/8 Dimpling BodyS-291786 2" Dimple Connector Ass'yS-291787 2-3/8" Dimple Connector Ass'yS-291888 2-5/8 Dimple Connector AssyS-291818 Lift Sub, 1.06-10 UNS by 2-3/8 API Reg PinS-291893 Lift sub, 2-3/8 API Reg Box by 2.812-8 SA NRJS-291898 Xover Sub, 2.812-8 SA NRJ by 2-3/8 API Reg PinS-291820 Lift Sub, Elevator, 2-3/8 API Reg PinS-280965 Lift Sub, 2.625-12 SA NRJ x 2-3/8 API Reg PinS-291899 Cap, Pull TestS-291901 Cap, Pressure Test AssyS-291547 Cross-Over Float valve sub (2-3/8 Reg. box x stator pin conn.)S-291290 Cross-over, 2-3/8 Reg to A287 stator connectionS-297297 Cross-over, 2-3/8 Reg to A350 stator connectionS-297425 Cross-over, 2-3/8 Reg to A375 stator connectionS-291243 Articulated Assy, 2-3/8API Reg Box x PinB034673 Float valve - F1RS-280812 7-39P Cable Clamp assyS-280566 7-42P-Cap Cable Clamp assyS-291667 7-42P Cable Clamp assyS-280565 7-46P Cable Clamp assyS-291710 7-46P-Cap Cable Clamp assyS-291512 Drilling Head Fishing KitS-291518 Drilling Head Stabbing Guide KitS-291522 Drilling Head Pressure Test KitS-291510 Upper Drilling Head w/Dimple Connection and TLC ConnectionH349030 T-Bar, SFT-157, Hanger, Collapsible
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Table 5-9 Maintenance Optional Items
Part Number Description Price EstimateD+I Calibration Kit
H616079 GR BlanketS-291531 Vacuum Filling JigS-281122 VIPERScope interface boxS-291545 Spare parts kit, for all assemblies but VDHAS-291546 Special Tools kitS-291526 Drilling Head O-ring KitS-291527 Drilling Head Hardware KitS-291516 Drilling Head Electrical KitS-291515 Drilling Head Spare Kit
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6. Inclination-at-Bit (IAB) Tool
6.1 Highlights
The fact that current MWD technology is generally located 40 - 60 feet from the bit in a bottom-hole assembly makes drilling a lot like driving a bus from the back seat. Undulation andtortuosity result from under- and over-correction when extrapolating inclination measurementsfrom the MWD collar to the bit. Measuring inclination directly at the bit prevents theseproblems. Hence, SPC's Advanced Drilling Systems department has developed a bit inclinationtool.
The Inclination-at-Bit equipment is used in conjunction with MWD to provide the At-bitInclination Measurement (AIM) service. The current system operates in the 4-3/4, 6-3/4", 8,and 9-5/8 tool sizes. The 4-3/4 (IAB4I-AB, S-292222) and 6-3/4" (IAB6I-AA, S-292333) IABtools are operated as an integral part of an A475 and A675 PowerPak Drilling Motor,respectively. Figure 6-1 illustrates a 4-3/4 PowerPak drilling motor assembly including theIAB4 transmitter. The 8 (IAB8S-AA, S-292800) and 9-5/8 (IAB9S-AA, S-292900) IAB toolsare stand alone subs, which are used in conjunction with A800 and A958 PowerPak DrillingMotors, respectively. Figure 6-2 illustrates a 9-5/8 PowerPak drilling motor with the AIM9assembled.
Figure 6-1 IAB4/A475 PowerPak Motor Schematic
Figure 6-2 IAB9/A958 PowerPak Motor Schematic
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The IAB tools measure inclination from a position 12 inches behind the bit for the 4-3/4"tool, 15inches behind the bit for the 6-3/4" tool , 39 inches behind the bit for the 8 tool, and 29 inchesbehind the bit for the 9-5/8 tool. The tools then transmit this data to the MWD system viaelectromagnetic telemetry. The current MWD receiver systems for the 4-3/4" system are theIMPulse tool (IMPA-BA, S-285907) and the ISR4 (ISR4-AB, S-292444) which works inconjunction with the SHARP/SlimPulse system. The ISR4 also contains an annular pressuremeasurement. The current MWD receiver systems for the 6-3/4" system are the ARC6 tool(ARC6A-AA, T1004000) and the UIT6 tool (UIT6-AA, T1032000) which is currently in fieldtest. The UIT6 also has two-way transmission capabilities. The current MWD receiver systemfor the 8 system is the ARC8 tool (ARC8A-AA, T1004100). The current MWD receiver systemfor the 9-5/8 system is the ARC9 tool (ARC9A-AA, T1004160). Additionally there is a new 6-5/8 receiver sub (ASP6) in process in engineering designed to work with the Slimpulse system.This sub should be available for field test in early 2001.
The inclination measurement is performed by a single-axis, Q-flex accelerometer mounted alongthe center axis of the IAB Drive Shaft. This is the same proven accelerometer used in our MWDtools. Figure 6-3 shows a cut-away schematic of the 4-3/4 IAB tool and Figure 6-4 shows a cut-away schematic of the 9-5/8 IAB sub. The IAB tool also includes temperature and shockauxiliary measurements. These measurements are not typically transmitted in real time due to thelimited telemetry rate.
The IAB uses Induction Electromagnetic Transmission (IMAG) as opposed to the EMAGtelemetry used in the GeoSteering tool. IMAG telemetry is an improvement over EMAG. Thereare no limitations in high-resistivity formations, high contrasting formation, or in ANY mud type(OBM, foam, or salt-saturated mud). It does, however, have range limitations in highly-conductive formations, i.e., at 0.2 Ω-m. transmission is approximately 35 ft for the 4-3/4" tool,48 ft for the 6-3/4", and 63 ft. for the 8 and 9-5/8 tools. This can limit the placement of theReceiver Sub in the BHA. For further information consult the IAB UOP or Maintenance Manual.
The IAB tools are battery powered. The batteries are currently annular in assembly and are ratedfor 250 hours of life. Additionally, the IAB6 batteries are a rig-replaceable split pack design. TheIAB8 and IAB9 tools use the same annular battery, which is rig-replaceable as well. The IAB4and IAB6 tools include a Rotating Near-Bit Stabilizer (RNBS) that also acts as the batterypressure housing. The IAB8 and IAB9 subs also include a RNBS, but for these tools thestandard PowerPak 8 and 9-5/8 RNBSs can be used. Similar to PowerPak RNBS stabilizers,the RNBS on the IAB acts to improve rate-of-penetration and weight transfer. The IAB stabilizeris present to insure the increased side forces generated by the additional offset length does notcause premature bearing failure. The stabilizer also acts to stiffen the IAB assembly for theIAB4 and IAB6 tools. The IAB stabilizer must be run 1/8-in. under bit gauge or less.
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Figure 6-3 4-3/4 IAB Tool
Figure 6-4 9-5/8 IAB Tool
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Spec.sliding (°/100 ft) N/A 15(per Per ARC6) Per PowerPak Per PowerPak
Is sub magnetic? (Y/N) Yes Yes Yes Yes1. Fishing neck is the distance from the face seal of the top connection to the start of external upset on the sub.2. Sub length is that of the minimum self-contained operating configuration, excluding crossovers, saver subs, etc.
(unless they are part of the minimum configuration).3. Bending strength ratios are specific to particular connections. Values here apply only to the listed connections.4. Equivalent bending stiffness required is that of the equivalent API collar (as specified in PEI tables).5. Maximum collar dogleg refers to maximum collar curvature, not hole curvature. This is a collar fatigue limit
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Table 6-2 IAB Sensor specification
Specification* Unit Sub/sensor/modeAnadrill file code N/ASensor AccelerometerDetector type Q-FlexMeasurement InclinationMeasurement optional? ShocksMeasurement averaged?1 (Y/N) YesAveraging time (s) 30Measurement range Between 0 to 180 Degrees Inclination (No limit)Standoff range2 (in) N/AAccuracy3 0.2 Deg at 90 Deg Inclination
0.3 Deg at 45 Deg InclinationResolution4 0.1 DegPrecision () as accuracyRepeatability () 0.1 DegStatistics -average () N/A
- quadrant () N/AVertical (depth) resolution:6
qualitative (min. bed detected) (in.) N/Aquantitative (min. bed evaluated) (in.) N/A
Depth/radius of investigation7 N/ASensor operating limits:8
maximum hole size9 (in.) N/Amaximum ROP/logging speed10 (ft/hr) 120 (based on one sample per feet transmitted)
azimuth range (0-360)13 (°) N/Ainclination range (0-180)13 (°) No limitation
mud type, resistivity14 No limitationformation resistivity range15 (Ωm) 0.20 ohm-m < X > 20K Ohm-m (TX/RX dependant)
1. Indicates whether the measurement is "instantaneous", or time-averaged.2. Standoff range is the distance from the borehole wall within which measurements are accurate.3. Accuracy indicates how close a measured value is to the true value of the property we seek to measure.4. Resolution is the smallest change in value the sensor/system can resolve (e.g. 1 count).5. Precision is measurement repeatability in optimum conditions, generally a function of logging speed /ROP.6. Vertical resolution is either the thinnest bed which the sensor can detect (qualitative), or the thinnest bed which
can be evaluated (quantitative). List both numbers.7. Express depth of investigation as a radius from the sensor for radial sensors, and as a distance from the sensor in
its most sensitive axis for focused sensors. Indicate if DOI varies with formation properties.8. Operating limits given here refer to sensors, not sub hardware.9. Maximum hole size is the hole size above which measurements cease to be quantitative.10. Maximum logging speed recommended for good statistics - the measurement may still be valid at faster logging
speeds, but statistics will suffer.11. RPM range indicates the range of rotary speeds for measurements which depend on sub rotation for statistics etc.
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12. Maximum shocks indicates shock levels (G or Hz) above which sensor function/measurements are affected.13. Accuracy of some (mainly directional) sensors or measurements may be constrained by these factors.14. Indicates in which mud types the sensor/measurement will not function (WBM, OBM, salt sat.) or is not valid
Table 6-3 IAB Operational and environmental limits
Specification * Units Sub/sensor/modeMaximum dogleg severity1 -rotating (°/100 ft) as per PowerPak Motor specifications
sliding (°/100 ft) as per PowerPak Motor specificationsMaximum - WOB (klbs) IAB4 = 25; IAB6 = 50; IAB8 = 65; IAB9 = 75
operating RPM (rpm) 500 (Total RPM=Surface + Drive Shaft)operating torque (kft-lbf) (as per PowerPak Motor specifications)
operating tensile load (klbf) (as per PowerPak Motor specifications)jarring load (klbf) (as per PowerPak Motor specifications)
concentration, tool on (lb/bbl) 50concentration, tool off (lb/bbl) 50
* signifies not applicable or no limits apply.(Sub/sensor/mode - add columns for different subs or for the same sub in different modes. (Sub = collar, tool or sub-
assembly.)(The following are to assist in completing the form. Modify as required.)1. Maximum dogleg severity refers to borehole curvature, not collar curvature.2. Indicate the maximum safe differential pressure in both directions across the sub wall before gross plastic yielding
(permanent deformation) takes place.
3. The pressure drop constant is entered in the following equation (for each sub): Pressure drop = MWppg x Q2
C
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Table 6-4 IAB Other operational specification
Specification* Unit Sub/sensor/modePower source Lithium BatteryOperating life, maximum1 (hrs) 200+ HrsBattery operating temperature range (°C) - 10 to 150Downhole memory?2 (Y/N) YesTelemetry - system Induction based (Confidential)
- protocol Pulse Position Modulation (Confidential)- rates available (BPS) 1.5 (Confidential)@ frequency (Hz) 10 KHz (IAB4) or 2 kHz (IAB6, 8, 9) (Confidential)
Transmission trigger Time BasedDownlink - main technique N/A
- other options NoPulsation dampener required? (Y/N) as per MWD operating procedures
- recommended precharge3 (% SPP) as per MWD operating procedures- recommended precharge4 (psi) as per MWD operating procedures- maximum recommended5 (psi) as per MWD operating procedures
Flow in filter screen recommended?6 (Y/N) as per MWD operating proceduresDrillpipe filter screen recommended? (Y/N) as per MWD operating proceduresDownhole filter screen available? (Y/N) NoPressure relief sub available? (Y/N) NoClamp-on stabilizer permitted?7 (Y/N) No
* signifies not applicable or no limits apply. (Sub/sensor/mode - add columns for different subs or for the same sub in different modes. (Sub = collar, tool or sub-
assembly.) (The following are to assist in completing the form. Modify as required.)1. In MWD tools, this might be determined from programmed service interval or similar limit.2. This may be affirmative for MWD tools recording diagnostic data. Avoid conflict with marketing specs.3. This is the recommended precharge as a percentage of the standpipe pressure (SPP) while pumping.4. This is the recommended precharge as a pressure only. Higher values are generally better.5. This is the maximum recommended precharge pressure. This must be reduced to normal values if not drilling.6. This is a filter screen placed in line between the pump and the standpipe manifold.7. Some subs permit the installation of clamp-on stabilizers. Give details.
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6.1.2 AIM Receivers
For all AIM systems, there is a receiver built into different MWD platforms. For the IAB4, thereceiver is built into the IMPulse tool. For the IAB6, IAB8 and IAB9 tools the receiver is builtinto the ARC6, ARC8, and ARC9 tools respectively. For specifications on these tools see theirrespective equipment guidelines. Additionally there are two receivers built by the IAB group.They are the ISR4, which works with the SHARP/Slimpulse system in the 4-3/4tool size, and the UIT6 which is a stand alone sub with LTB connections which works in the 6-5/8 tool size. In early 2001 a new receiver, the ASP6, will be released for field testing whichworks with the Slimpulse in the 6-5/8 tool size.
Refer to the individual tool sections for specs on ARC6, 8, 9 and IMPulse Receivers.
Table 6-5 Reciever Mechanical specifications
Specification * Units Sub/sensor/modeAnadrill file code N/A ISR4-AB UIT6-AANominal (API) OD (in.) 4 3/4 6-3/4Hole size range (in.) 5.75 to 6.75 8-3/8 to 9-7/8Maximum Wear Band OD (in.) 5 1/4 7 1/2Tool Length (ft.) 13.8 7.92
weight - loaded (in air) (lbm) 750 700Top thread connection (API) NC-38 Box (3-1/2 IF) 5-1/2 FH BoxBottom thread connection (API) NC-38 Box (3-1/2 IF) NC-50 BoxTorque: Top Connection (kft-lbf) 9.5 ± .5 Use Best PracticeTorque: Bottom Connection (kft-lbf) 9.5 ± .5 Use Best practiceJoint yield torque (min. of top) (kft-lbf) 17.5 40.0BSR: Top connection 2.04 2.14 BSR: Bottom connection 2.01 2.21Average moment of inertia (in4) 13.9 80.0Equivalent bending stiffness4 N/A N/AMaximum Tool Curvature - rotating (°/100 ft) 15 or greater
(Pending ShortRadius Field Tests)
8
sliding (°/100 ft) 40 or greater(Pending ShortRadius Field Tests)
16
Is sub magnetic? (Y/N) No NoMagnetic permeability (?) 1.01 1.01
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Table 6-6 ISR4 Pressure Sensor specification
Specification* Unit Sub/sensor/mode AAnadrill file code N/ASensor Pressure GageDetector type PaineMeasurement PressureMeasurement averaged?1 (Y/N) YesAveraging time (s) 2Measurement range (psi) 0-20,000Standoff range (in) N/AAccuracy (psi) 2 + 0.1% of readingResolution (psi) +/-1Precision (psi) as accuracy
Table 6-7 Receiver Operational and environmental limits
Specification * Units ISR4-AB UIT6-AAMaximum dogleg severity1 - rotating (°/100 ft) 15 or greater (Pending
Short Radius Field Tests)8
sliding (°/100 ft) 40 (Pending Short RadiusField Tests)
16
Maximum - WOB (klbf) 30 74,000,000/L2
Maximum operating pressure (kpsi) 20 20Maximum differential pressure2 -
internal to external (kpsi) 1.5 (per PowerPak bitpressure specs.)
1.5 (per PowerPak bitpressure specs.
external to internal (kpsi) N/A N/ASub pressure drop constant (C)3 28,000 121,000Maximum operating temperature (°C) 150 (as per lithium
battery current limitation)150 (as per transmitterlithium battery limit)
mud solids content % (as per PowerPak Motor) (as per PowerPak Motor)Max. LCM - size (name) Medium size nut plug. Medium size nut plug
concentration, tool on (lb/bbl) 50 50concentration, tool off (lb/bbl) 50 50
* signifies not applicable or no limits apply.(Sub/sensor/mode - add columns for different subs or for the same sub in different modes. (Sub = collar, tool or sub-
assembly.)(The following are to assist in completing the form. Modify as required.)1. Maximum dogleg severity refers to borehole curvature, not collar curvature.
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2. Indicate the maximum safe differential pressure in both directions across the sub wall before gross plastic yielding(permanent deformation) takes place.
3. The pressure drop constant is entered in the following equation (for each sub): Pressure drop = MWppg x Q2
C
6.2 IAB General Equipment List
The IAB4 and 6 tools are available as transmitter assemblies (to retrofit an existing PowerPakbearing section) or as complete motor bearing sections. If you would like to order a completemotor including the IAB4 or 6 transmitter tool, substitute the IAB bearing section for thestandard bearing section when ordering your PowerPak motor. The IAB8 and 9 tools are stand-alone subs and are ordered as such.
*The IAB8 and IAB9 tools use standard PowerPak RNBS stabilizers.
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Refer either to the IAB or PowerPak master orders for additional information.
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7. Drilling Tools
7.1 Earthquaker Jars
The Earthquaker mechanical drilling jars hit in both directions with up to 90 tons of force, andthey can be cocked and tripped repeatedly to free the string without affecting their preset releasepoint. They are insensitive to torque and therefore will not affect hole orientation while deviatingthe well.
The unique preset tripping mechanism is fully mechanical. Neither right not left hand torque inthe string changes the tripping loads, and no torque is needed to trip the jar at its preset loads.Earthquaker jars can be placed below the neutral point to provide for closer placement topotential sticking points and more flexibility in BHA design. In addition, Anadrill offers the CAPComputerized Analysis and Placement program for drilling jars which recommends preciselywhere to place jars for maximum effectiveness.
Upward and downward tripping forces are independently adjustable to match drilling conditions.The force for each direction can be set from as low as 10,000 lbf to as high as 180,000 lbf,depending on jar size, while the jar is in the rotary table. An Earthquaker jar can take the abuseof long periods of continuous drilling because of innovative design, simple construction andcareful assembly. All working parts are enclosed in oil, so foreign materials in mud do not causewear or a malfunction. A pressure-compensating piston minimizes pressure differential on theseals.
Torque does not affect jar load settings.
Fully mechanical tripping mechanism with working parts is sealed in oil for reliability.
Accurate control of jarring action eliminates guesswork of jar operation.
Tripping forces of up to 180,000 lbf are available for maximum jarring impact.
Jar can be run in compression below the neutral point for jarring action closer to the bit.
All sizes except the 6 7/8" are available in the CR (concentric ring) tripping mechanismdesign that is easier to maintain and has fewer parts. A conversion kit for 4 3/4" x 1 7/8 isavailable to convert to the 4 3/4" x 2 CR design.
Earthquakers must always be with Flex Joints, though they can be ordered without them.Safety collars are optional and need not be used due to the inherent safety of the mechanicaltripping mechanism.
CAP analysis ensures proper placement for optimum effect.
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Compensating Piston
Tripping Mechanism
Splines
Mandrel Seal
Flex Joint
Figure 7-1 Earthquaker Drilling Jar
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Sacrificial Anodic Aluminum Sleeves have been designed for the Earthquaker Jars. Thefollowing part numbers apply:
Table 7-3 Sacrificial Anodes for Earthquaker Jars
Part Number Description PriceS-291209 Sacrificial Anodic Sleeve, 4-3/4 Earthquaker JarS-291210 Sacrificial Anodic Sleeve, 6-1/4 and 6-1/2 Earthquaker JarS-291091 Layout Drwg, Sacrificial Anodic Sleeves, 4-3/4, 6-1/4, and 6-1/2 Earthquaker Jars
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7.2 Hydraquaker Jars
Thirty years' experience in hydraulic jar design are seen in Anadrill's simple, reliableHYDRAQUAKER drilling jar. The pressure relief assembly prevents the jar from beingoverpulled and circumvents costly damage and loss of jarring ability. The large surface area ofthe seal allows the tool to be run in compression. These compression or "below neutral point"placements are complemented with Anadrill's CAP program.
Large ID's allow passage of freepoint equipment.
Design allows jar to be run in compression below the neutral point for jarring actioncloser to the bit.
CAP analysis ensures proper placement for optimum hitting.
Full 8 inch up and down free stroke provides maximum impact.
Pressure relief assembly eliminates overpull limitations in 4 3/4" and 6 1/2" jars.
Currently, operations limitations exist only in high chloride content drilling fluids which tend topit the plating where the seals are. A set of sacrificial aluminum sleeves can be used to protectthe internal plating from pitting corrosion.
The 4 3/4" and 6 1/2" are commercialized
Hydraquakers must always be run with Flex Joints, though they can be ordered without them.Safety collars are mandatory and must be used to keep the jar from closing when racked back.
Part Number 80125 80198 80285 80284Upper Connection 3 1/2" IF 4 1/2" IF 4 1/2" XH BlankLower Connection 3 1/2" IF 4 1/2" IF 4 1/2" XH BlankOD (in) 4 3/4" 6 1/2" 6 1/2" 6 1/2"ID (in) 2 1/4" 2 3/4" 2 3/4" 2 3/4"
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Sacrificial Anodic Aluminum Sleeves have been designed for the Hydraquaker Jars. Thefollowing part numbers apply:
Table 7-6 Sacrificial Anodes for Hydraquaker Jars
Part Number Description PriceS-287691 Sacrificial Anodic Sleeve, 4-3/4 Hydraquaker JarS-287692 Sacrificial Anodic Sleeve, 6-1/2 Hydraquaker JarS-287641 Layout Drawing, Sacrificial Anodic Sleeves, 4-3/4 and 6-1/2 Hydraquaker Jars
Flex Joint
Mandrel Seal
Splines
Spline Chamber Compensating Piston
Up-hit Compensating Piston
Up-hit Pressure Chamber
Down-hit Compensating Piston
Down-hit PressureChamber
Figure 7-2 Hydraquaker Drilling Jar
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ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
7.3 Shock Guards
The following Shock Guards have been built by Anadrill Manufacturing. Lead times for these arevery long. Contact Manufacturing for details should you want to place an order:
Table 7-7 Shock Guards
Connections
File Code OD Part Number Uphole DownholeSG-AA 6 1/4" 61681 A 4 1/2" XH 4 1/2" XH BoxSG-AB 6 1/4" 61681 B 4 1/2" H-90 4 1/2" H-90 PinSG-AC 6 1/4" 61681 C 4" H-90 4 1/2" Reg BoxSG-AD 6 1/4" 61681 D 4 1/2" H-90 4 1/2" Reg BoxSG-AE 6 1/4" 61681 E 4 1/2" XH 4 1/2" XH PinSG-BA 6 7/8" 74318 A 5" H-90 5" H-90 PinSG-BB 6 7/8" 74318 B 4 1/2" H-90 4 1/2" Reg BoxSG-BC 6 7/8" 74318 C 5" H-90 4 1/2" Reg BoxSG-BD 6 7/8" 74318 D 4 1/2" IF 4 1/2" IF BoxSG-BE 6 7/8" 74318 E 4 1/2" XH 4 1/2" Reg BoxSG-CA 8" 61642 A 6 5/8" Reg 6 5/8" Reg PinSG-CB 8" 61642 B 6 5/8" H-90 6 5/8" Reg BoxSG-CC 8" 61642 C 6 5/8" Reg 6 5/8" Reg BoxSG-CD 8" 61642 D 6 5/8" H-90 6 5/8" H-90 PinSG-DA 9" 60936 A 7" H-90 7" H-90 PinSG-DB 9" 60936 B 6 5/8" H-90 6 5/8" Reg PinSG-DC 9" 60936 C 6 5/8" Reg 6 5/8" H-90 PinSG-DD 9" 60936 D 6 5/8" Reg 6 5/8" Reg BoxSG-DE 9" 60936 E 6 5/8" Reg 6 5/8" Reg PinSG-DF 9" 60936 F 7 5/8" Reg 6 5/8" Reg PinSG-DG 9" 60936 G 7" H-90 6 5/8" Reg Box
1. For connections other than those specified, contact Customer Services2. * Helical Spring. All other shock guards are ring spring
Revision: AA 2001 Equipment Guidelines Section: DT
Date: 05-Jan-2001 Advanced Drilling Systems Page: 97 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
Drilling mud
Floating piston
Oil
Spring
Bearing
Splines
Bearing
Bearing
Body
Figure 7-3 Anadrill Shock Guard
Revision: AA 2001 Equipment Guidelines Section: DT
Date: 05-Jan-2001 Advanced Drilling Systems Page: 98 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
7.4 Fishing Tools
7.4.1 Hydraulic Fishing Jars
Anadrill hydraulic fishing jars deliver maximum impact on the fish at any hydrostatic pressure.They hit quicker, harder and longer-even at bottomhole temperatures up to 400°F. They canbe used for washing over milling, scraping, formation testing, whipstocking, diamond drillingand coring.
Continuous hitting at any hydrostatic pressure through a unique pressure-balancing system.
Adequate circulation and passage for string shots, freepoint indicators, perforating guns and awide variety of other wireline tools through extra-large bores. Faster jarring operation throughsturdy, damage-resistant delay mechanisms.
Optimum impact on the fish from a full 4-in. stroke.
Elimination of stress concentration failures through API drill collar-type stress relief grooves onboth pin and box. Maximum durability from the use of aircraft-quality 4340 electric furnace inall critical parts. Tolerances up to 1/1000 of an inch.
Top sub
Spline sub
Seal assembly
Anvil
Upper mandrel
Valve housing
Hammer
Valve
Lower mandrel
Compensating piston
Bottom sub
Stress-relief groove
Lock ring†
Time-regulating nut†
Stress-relief groove
Top sub
Spline sub
Seal assembly
Anvil
Upper mandrel
Valve housing
Hammer
Valve
Lower mandrel
Compensating piston
Bottom sub
† Not required on drilling and coring jars
Figure 7-4 TR Jar (left) and DC Jar (right)
Revision: AA 2001 Equipment Guidelines Section: DT
Date: 05-Jan-2001 Advanced Drilling Systems Page: 99 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
Table 7-8 TR, DC and FB Jar Specifications and Strength Data
1. LH Left hand TR Time regulated FB Fullbore DC Drilling and coring
Revision: AA 2001 Equipment Guidelines Section: DT
Date: 05-Jan-2001 Advanced Drilling Systems Page: 100 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
7.4.2 Hydraulic Bumper Sub
The bumper sub is an oil-enclosed splined slip joint used with jars on fishing operations to helpdeliver downward impact at the top of a fish. The features of the bumper sub include:
Big bore for adequate circulation and passage of wireline tools.
Long stroke of maximum impact.
Oil-enclosed spline to prevent junk in the hole from interfering with tool operation.
Stronger than drillpipe used in operations.
Table 7-9 Strength Data for Hydraulic Bumper SubSize (in.) Assembly
Revision: AA 2001 Equipment Guidelines Section: DT
Date: 05-Jan-2001 Advanced Drilling Systems Page: 101 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
7.4.3 Nitrogen Jar Boosters
The nitrogen jar booster increases the jar impact on the fish. No matter how deep the well, the jarbooster provides a powerful spring force between the fishing string and hydraulic jars, givingmaximum impact by accelerating the up upward movement of the drill collars. The system hasseveral advantages:
Nitrogen gas eliminates fluid damping inefficiency in liquid-type devices.
One-piece mandrel and bottom connections eliminate accidental backoff.
Specially designed seal assemblies and antiextrusion devices prevent gas leakage.
High-quality materials and specially designed valving system for charging and bleeding offpressure provide maximum safety.
Maximum stroke provided every time by elimination of junk traps.
Increases jar efficiency and reduces rig fishing time.
Eliminates the pipe drag problem
Overcomes shallow-well problems in fishing operations
Serves as a shock absorber to the rig
Provides greater impact and safer operations through use of inert nitrogen gas.
Maintains boosting power even under the toughest well conditions.
Lessens chances of differential sticking on drillstem tests.
Revision: AA 2001 Equipment Guidelines Section: DT
Date: 05-Jan-2001 Advanced Drilling Systems Page: 102 of 102
Prepared by: R. Fontenot Formatted by: John Crowther Approved by: A. Dorel
ADS Group Equipment Manager, Anadrill ADS Product Line ManagerThis information is confidential and must not be copied in whole or in part and should be filed accordingly. It must not be shown to or discussed with anyone outside the Schlumberger organization.
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1
2
3
4
High-pressure seal assembly
Check valve
High-pressure seal assembly
Splines
ChargingsleeveLock nut
Fishing string
Jar booster
Drill collars
Jar
Fish
1.
2.3.
4.
Pull on fishing string compresses nitrogen gas in booster. The compressed gas acts as a powerful compressed spring.The hydraulic jar trips and the “hammer” begins its upward movement toward the “anvil.”The nitrogen gas “spring” is released, driving the drill collars upward at an accelerated rate of speed.Hydraulic jar hits with maximum impact to release fish, a result of the high-velocity energy generated by the mass and velocity of the upward-moving drill collars.
Figure 7-5 Jar Boosters
Table 7-10 Specifications for Nitrogen Jar BoostersSize, OD x ID (in.) 2 1/4 x 1/2 3 1/16 x 1 3 5/8x1 15/16 3 3/4 x 1 1/2 4 1/8 x 2Assembly number 49232 48712 48764 47948 47750Tool joint 1 1/4 REG 2 3/8 REG 2 EUE 2 3/8 IF 2 7/8 IFPrecharge pressure (psi) 2000 1800 1800 2000 2000Max. loadfull stroke (lbf) 26,000 40,000 35,000 45,000 45,000Stroke (in.) 11 1/2 11 11 1/2 13 1/2 11 1/2Tool length (ft) 9 1/2 9 1/2 9 1/2 9 9Tensile strength (lbf) 135,000 190,000 238,000 268,000 342,000Torsional strength (lbf) 2,200 7,600 8,750 12,600 16,000
Size, OD x ID (in.) 4 3/4 x 1 7/8 5 3/4 x 2 6 1/4 x 2 6 3/4 x 2 1/2 7 3/4 x 3Assembly number 47802 48008 48278 48500 48920Tool joint 3 1/2 FH 4 1/2 FH 4 1/2 FH 5 1/2 REG 6 5/8 REG