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Effective Date August 1, 2005
SOP No. III-001
VOLUME III USED DRILL PIPE Revision 0 Page No. 1 of 27
STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
GENERAL REQUIREMENTS
STANDARD OPERATING PROCEDURE
FOR USED DRILL PIPE INSPECTION NOTE: This document is considered
COMPANY CONFIDENTIAL and is not to be distributed
in whole or in part outside the Company, without the express,
written consent of the undersigned authority.
PROCEDURE APPROVAL: ___________________________ DATE:
_____________
Vice President Inspection & Coating Product Line PROCEDURE
APPROVAL: ___________________________ DATE: ______________ Director
Quality & Technical Services
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SOP No. III-001
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
INTRODUCTION The intent of this document is to serve as a
general operating guide for all used drill pipe inspection services
performed in accordance with this Standard Operating Procedure
Manual, Volume III. Each standard operating procedure contained in
this manual will refer to this procedure for like requirements such
as; Reference Documentation, General Definitions, General Personnel
Requirements, General Equipment Requirements, General Pipe Cleaning
and Preparation, Identification of Material, Customer Notification,
Post Inspection Procedures, Equipment Calibration / Verification
Frequencies.
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
TABLE OF CONTENTS 1.0
Scope............................................................................................................................................
4 2.0 Reference
Documents..................................................................................................................
4 3.0 Definitions
.....................................................................................................................................
6 4.0 Personnel Requirements and Training
........................................................................................
7 5.0 Radiation
Requirements...............................................................................................................
8 6.0 Accident Control and
Safety.........................................................................................................
9 7.0 Planning the Inspection
................................................................................................................
9 8.0 Inspection Equipment Condition
..................................................................................................
9 9.0 Equipment
Requirements.............................................................................................................
9 9.1 Equipment
Calibration........................................................................................................
9 9.2 Visible Light Requirements
..............................................................................................
10 9.3 Black Light (UV-A) Sources
........................................................................................10
9.4 Facility
Requirements.......................................................................................................
11 9.6 Tuboscope EMI Buggy Reference Standards
.................................................................
12 9.6.1 Eight (8) Hole Flux Leakage Standards
............................................................. 12
9.6.2 Wall Thickness
Standard....................................................................................
13 9.7 Endsonic Reference Standards
.......................................................................................
13 9.7.4 Notches
...............................................................................................................
14 9.7.7 Wall
Reduction....................................................................................................
15 10.0 Material
Condition.......................................................................................................................
15 10.1.1 Scale
...................................................................................................................
15 10.1.2 Excessive
Pitting.................................................................................................
16 11.0 Identification of Material
............................................................................................................
16 12.0 Customer Notifications
..............................................................................................................
17 13.0 Removal of Thread Protectors
...................................................................................................
18 14.0 Inspection Surface
Preparation..................................................................................................
18 15.0 Reinstallation of Thread
Protectors............................................................................................
19 16.0 Evaluation of Imperfections 20 17.0 Acceptance Criteria
....................................................................................................................
20 18.0 Post Inspection Procedures
.......................................................................................................
20 18.1 Drill Pipe Inspection Classification
...................................................................................
20 18.2 Inspection Classification
Markings...................................................................................
21 18.2.3 Tool
Joints......................................................................................................21
18.3 Bottom Hole Assembly (BHA) Inspection Classification
............................................... 22 18.5 Pipe
Segregation..............................................................................................................
22 18.6 Inspection
Records...........................................................................................................
23 Figure 3.3 Slip/Critical Areas
.............................................................................................................
24 Table 9.1 - Equipment Verification / Calibration Frequency
.............................................................. 25
Table 11.3 - Permanent Marking
Locations........................................................................................
26 Figure
14.1............................................................................................................................................
26 Figure
18.2.1.........................................................................................................................................
27 Table 18.2.3 - Tool Joint and BHA Classification
Markings...............................................................
27
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
1.0 SCOPE 1.1 This procedure establishes minimum general
requirements related to inspection
personnel and equipment, identification of material, material
handling, customer notification, imperfection evaluation,
acceptance criteria and post inspection requirements for inspection
of used drill pipe, drill collars, heavy weight and bottom hole
assemblies.
1.2 Tuboscope document is the controlling document whenever any
other like kind
prior-dated Tuboscope inspection procedures are in conflict. 1.3
This procedure shall be used in conjunction with all other
applicable procedures
in this manual for each inspection technique/method applied to
the material identified in 1.1.
1.4 Tuboscope inspection personnel shall perform the required
activities in
accordance with the procedures contained in this manual. In
cases of conflict between the procedures contained in this manual,
and applicable customer specifications, the customer specifications
shall govern.
2.0 REFERENCE DOCUMENTS 2.1 Current API Publications containing
dimensional tables and methods of inspection
for the grade of pipe to be inspected must be available for
reference. Effective December 14, 1992 Tuboscope Vetco
International Inc. was given permission by the American Petroleum
Institute to reproduce with acknowledgement portions of current API
Publications. Relevant sections of each API edition may be copied
pertaining to the pipe being inspected. Copies must include the
publications cover and the relevant sections "rubber stamped" with
the words (COPIED BY PERMISSION OF AMERICAN PETROLEUM INSTITUTE).
It is now permissible by the Quality and Technical Services
Department to have only portions of relevant sections of API
documents of each unit. In addition, all documents published by
Tuboscope, A Varco Company which provide detailed standardization,
operation, and/or maintenance guidelines for a full length tubular
inspection system or any other required inspection equipment
pertaining to the services provided must be available on the job
site and reviewed periodically by the Operator or Inspector.
2.2 This manual contains data (based on information contained in
the American
Petroleum Institute Standards and Recommended Practices and the
American Society for Testing and Materials Standards in effect as
of August 1, 2005), magnetization current requirements, hardness
values, fraction/decimal
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
equivalents, ultrasonic formulas and other data frequently used
by Tuboscope. TUBOSCOPE BELIEVES THAT THE INFORMATION CONTAINED IN
THIS
MANUAL HAS BEEN OBTAINED FROM RELIABLE SOURCES, AND IS CORRECT
AND ACCURATE; HOWEVER, THE INFORMATION IS PROVIDED AS IS AND
TUBOSCOPE MAKES NO GUARANTEE, REPRESENTATION, OR WARRANTY, EXPRESS
OR IMPLIED, REGARDING THE DATA AND INFORMATION CONTAINED IN THIS
DOCUMENT, OR THE COMPLETENESS, ACCURACY, OR SUITABILITY OF SUCH
INFORMATION FOR ANY PARTICULAR PURPOSE OR USE, AND ALL WARRANTIES,
INCLUDING ANY AND ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE, ARE EXPRESSLY DISCLAIMED.
2.3 All documents referenced in this procedure shall be
maintained to the latest
revision. 2.4 The latest revision of the following documents
were used as references for
establishing this procedure:
2.4.1 A.S.N.T. Recommended Practice SNT-TC-1A - Personnel
Qualification and Certification in Nondestructive Testing.
2.4.2 CAN/C.G.S.B. - 48.9712 - Nondestructive Testing -
Qualification and
Certification of Personnel. 2.4.3 A.P.I. Specification 7
Specification for Rotary Drill Stem Elements.
2.4.4 A.P.I. Recommended Practice 5A5 - Field Inspection of New
Casing,
Tubing and Plain End Drill Pipe. 2.4.5 A.P.I. Recommended
Practice 7G Recommended Practice for Drill
Stem Design and Operating Limits. 2.4.6 A.P.I. Recommended
Practice 7A1 Recommended Practice for Testing
of Thread Compounds for Rotary Shouldered Connections.
2.4.7 A.P.I. Standard 5T1 - Imperfection Terminology. 2.4.8
A.S.T.M. E 1316 - Standard Terminology for Nondestructive
Examinations.
2.4.9 A.S.T.M. E 2297 - Standard Guide for Use of UV-A and
Visible Light Sources and Meters used in the Liquid Penetrant and
Magnetic Particle
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
Methods. 2.4.10 I.E.E.E./A.S.T.M. SI 10 - Standard for Use of
the International System of
Units (SI): The Modern Metric System. 2.4.11 Standard DS-1 Drill
Stem Design and Inspection.
2.4.12 NS-2 North Sea Drillstring Inspection Standard. 2.4.13
SOP III-002 - Evaluation of Pipe Body Imperfections.
2.4.14 SOP III-100 - Visual and Dimensional Inspection. 2.4.15
SOP 307 - Procedures for Emergencies That Involve Radioactive
Material. 2.4.16 SOP 309 - Routine Radiation Procedures. 2.4.17
Tuboscope Qualification/Certification Manual, Section 1 -
Written
Practice. 2.4.18 Tuboscope QTS Bulletin #1-94 - Calibration
Check Methods for
Inspection, Measuring and Testing Equipment. 2.4.19 Tuboscope
QTS Bulletin #1-95 ASTM E317 Certification of UT Flaw
Scope.
2.4.20 Tuboscope Inspection Equipment Calibration Procedures.
2.4.21 Quality System Procedure, QSP-42-02 Control of Records.
2.4.22 Quality System Procedure, QSP-76-01 - Inspection,
Measuring and Test
Equipment. 3.0 DEFINITIONS Within this and other Tuboscope
Standard Operating Procedures (SOPs) contained in
this manual, the following definitions shall apply: 3.1
Calibration. The comparison of an instrument with, or the
adjustment of an
instrument to, a known reference(s) often traceable to the
National Institute of Standards and Technology (N.I.S.T.). A.S.T.M.
E1316.
3.2 Marking. The term "marking" is this procedure to include
inspection markings that
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
are made with paint stencils, paint sticks, and ballpoint paint
tubes. 3.3 Critical Area. The Critical Area is the area from the
pin tool joint/drill pipe weld
line, towards the pipe body for a distance of 24 inches (61 cm).
See Figure 3.3. 3.4 Defect. An imperfection of sufficient magnitude
to warrant rejection of the
product based on the stipulations of the applicable Tuboscope
procedure or the controlling specification required by the
customer.
3.5 Imperfection. An imperfection is a discontinuity or
irregularity in a product,
detected by methods outlined in the Tuboscope Standard Operating
Procedures.
3.6 May. May is used to indicate that a provision is
optional.
3.7 Scale. Visible surface particles estimated to be larger than
1/8 inch (3 mm) in any dimension which can be broken loose with a
fingernail. DS-1.
3.8 Shall. Shall is used to indicate a provision is mandatory.
3.9 Should. Should is used to indicate a provision is not
mandatory, but
recommended as good practice. 3.10 Slip Area. The Slip Area is
the area from the box tool joint/drill pipe weld line,
towards the pipe body for a distance of 24 inches (61 cm).
Additionally, anywhere on the pipe body where the slips may have
been set for other operations, such as fishing. See Figure 3.3.
3.11 Standardization. The adjustment of an instrument,
instrument using an
appropriate reference standard, to obtain or establish a known
and reproducible response. A.S.T.M. E1316.
4.0 PERSONNEL REQUIREMENTS AND TRAINING 4.1 Personnel performing
inspection techniques or NDT methods shall be qualified
and certified in accordance with Tuboscopes Written Practice.
This document is contained in the Tuboscope Qualification and
Certification Manual.
4.1.1 This document is based on the requirements set forth in
the latest edition
of ASNT SNT-TC-1A. 4.1.2 For personnel in the Canadian Region,
Magnetic Particle Testing (MT),
Ultrasonic Testing (UT), Penetrant Testing (PT) and
Electromagnetic Testing (ET) certification may be supplemented by
the CGSB.
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
4.2 There may be one (1) or more trainees performing inspection
tasks, as long as
no more than two (2) are under the training and supervision of
each Tuboscope certified Level II or Level III on the job.
NOTE: For methods where a Qualification is held, it is
considered equivalent to an NDT Level II.
4.3 There may be one (1) or more Level I individuals on the
inspection job. The
Level I shall receive the necessary supervision and instruction
from a certified Level II or III. A certified Level I individual is
qualified to independently perform specific standardizations,
specific tests and specific evaluations according to written
operating procedures; and to record results.
4.4 For each inspection or NDT method used on the job, there
shall be one (1) or
more individuals certified Level II or higher in that method.
The Level II is familiar with the scope and limitations of the
applicable inspection or NDT method and shall exercise assigned
responsibility for the on-the-job training and guidance of trainees
and Level I personnel in that method. A certified Level II
individual is qualified to:
4.4.1 Independently set up and standardize applicable equipment.
4.4.2 Interpret and evaluate inspection results. 4.4.3 Assure
accurate classification of a product in accordance with
applicable
codes, standards and specifications. 4.4.4 Organize and report
the results of the inspections performed.
4.5 In the case of mobile inspection activities, the
certification data of the applicable Tuboscope personnel performing
the inspections shall be available for verification at the
inspection unit. For Tuboscope plant inspections, personnel
certification data may be maintained at the applicable plant
office.
5.0 RADIATION REQUIREMENTS Operators charged with responsibility
for Electromagnetic Inspection (EMI) units, such
as the ISOLOG, Scanalog or NDT Systems Inspection Systems must
be thoroughly familiar with the information contained in SOPs 307
and 309. All requirements contained in these documents which
pertain to the applicable Tubsocope EMI unit must be strictly
adhered to with the exception of states having requirements more
stringent
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
than those outlined in Tuboscope SOPs. 6.0 ACCIDENT CONTROL AND
SAFETY It is the duty of each Operator charged with responsibility
for any of the full body
inspection systems contained in this Tuboscope SOP manual to
adhere to all applicable Company rules and regulations regarding
accident control and safety. To accomplish this, each Operator must
ensure safe working conditions and necessary protective equipment
have been provided in all cases where appropriate for the task to
be performed. Personal protective equipment typically includes, but
is not limited to hard hats, goggles, and hard toe shoes.
7.0 PLANNING THE INSPECTION Quality Inspection, the key to our
success, can be achieved by carefully planning each
and every phase of the inspection service. Each work day give
thought to and perform the following prior to operation of the
inspection system: 7.1 Instructions and/or job assignments for
members of the crew. 7.2 Ensure that all necessary equipment needed
to perform the inspection is available
and in good condition. 7.3 Reasonable notice of intent to setup
equipment and inspect pipe should be
given to a representative of the mill, pipe yard or other
location by Tuboscope operations personnel.
8.0 INSPECTION EQUIPMENT CONDITION
All equipment used in any phase of the inspection process must
be in correct operating condition, and in strict compliance with
Tuboscope Engineering Design Specifications, as applicable.
9.0 EQUIPMENT REQUIREMENTS
9.1 Equipment Calibration. Equipment calibration/verification
shall be in accordance with the applicable procedures or bulletins
identified in 2.4.17 through 2.4.19. Calibration/verification
frequency shall be in accordance with Table 9.1.
9.1.1 Light meters shall be calibrated when repaired, whenever
an erratic
response is indicated and at the frequency specified in Table
9.1.
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
9.1.2 The visible light sources identified in 9.2.2 through
9.2.4 shall be verified
whenever lighting fixtures change intensity and at the frequency
specified in Table 9.1.
a. In addition, the Ambient Visible Light Intensity shall be
checked
whenever there is a noticeable increase in visible light. b. For
portable large area lighting equipment, the light intensity shall
be
verified at the beginning of the job, at least once per shift
thereafter and whenever the lighting fixture(s) have been
re-positioned.
9.2 Visible Lighting Requirements. Visible light utilized for
visual inspection shall be
furnished by either direct daylight or artificial light sources.
Light sources shall meet the following requirements:
9.2.1 Direct Daylight. Direct daylight conditions do not require
a check of
surface illumination. Daylight conditions are defined as the
period from hour after sunrise to hour before sunset.
9.2.2 Artificial Overhead Light Sources. Artificial overhead
light sources shall
have a minimum intensity of 50 foot-candles (500 lux) at the
surface of the material being examined.
9.2.3 Hand Held Visible Light Sources. Hand held white lights
fixtures shall
have a minimum intensity of 100 foot-candles (1000 lux) at 30
inches (76 cm) from its lens or face located beyond the bulb. The
lens and reflector surfaces shall be kept clean and free from
damage.
9.2.4 Ambient Visible Light Intensity. The black light
inspection area shall be
darkened to such a degree that the ambient visible light
intensity does not exceed 2 foot-candles (20 lux), when measured at
the inspection surface.
9.3 Black Light (UV-A) Sources. Filters shall be clean and free
of cracks. Other
sources of UV-A such as a flood bulb or tube are acceptable if
they provide the intensity specified in 9.3.2 at the inspection
distance.
9.3.1 The ultraviolet light shall have a 100 watt mercury arc
lamp, minimum. 9.3.2 After a minimum of five (5) minutes warm-up,
the black light source shall
produce a peak intensity of at least 1000 W/cm2 at 15 inches (38
cm)
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STANDARD OPERATING PROCEDURE
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Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
from its lens or face located beyond the bulb. This shall be
checked at the beginning of each shift and whenever there is a
noticeable decrease in black light.
NOTE: Labino lights do not require a warm-up period.
9.3.3 For special tubular-type lights in which the bulb is
inserted into the pipe end, the intensity shall be measured at a
distance equal to the inspection distance.
9.3.4 The intensity shall be documented.
9.4 Facility Requirements. Inspections may be performed in any
of the following facilities or locations:
9.4.1 Enclosed Facility. Inspections performed in an enclosed
facility are not
subject to the restrictions of inclement weather or daylight
conditions. 9.4.2 Mobile Location. Inspections performed in outside
pipe yard facilities or
well site locations are subject to the restrictions of inclement
weather i.e.; rain, high wind, snow, ice on pipe surface(s), hail,
etc. Inspections are prohibited from being performed under these
conditions, however, snow, ice and hail may be removed from pipe
surfaces to permit inspections to take place.
9.4.3 Inspections shall conclude hour before sunset and shall
not
commence until hour after sunrise unless an adequate light
source is provided which meets the requirements of 9.2.2.
9.5 In addition to this SOP manual, the latest edition of the
following reference
documents, applicable to the inspection(s) or test(s) performed,
shall be available at the job location.
9.5.1 Applicable customer specification(s). 9.5.2 A.P.I.
Specification 5D - Drill Pipe. 9.5.3 A.P.I. Specification 5T1
Imperfection Terminology.
9.5.4 A.P.I. Specification 7 Specification for Rotary Drill Pipe
Stem Design
and Operating Limits.
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STANDARD OPERATING PROCEDURE
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Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
9.5.5 A.P.I. Recommended Practice 7G Recommended Practice for
Drill
Stem Design and Operating Limits.
9.5.6 Standard DS-1 Drill Stem Design and Inspection.
9.5.7 NS-2 North Sea Drillstring Inspection Standard. 9.5.8
Other applicable specification/code related to any non-API product.
9.6 Tuboscope EMI Buggy Reference Standards
9.6.1 Eight (8) Hole Flux Leakage Standard. Only Tuboscope
manufactured eight (8) hole reference standards shall be used to
standardize the inspection system. These reference standards are
available from the warehouse using the following part numbers.
Pipe Size Part # 2-3/8 3509000010 2-7/8 3509010010 3-1/2
3509020010
4 3509030010 4-1/2 3509040010
5 3509050010 5-1/2 3509060010 5-7/8 350180010 6-5/8
3509080010
a. The eight (8) holes are partial radially drilled, in the
standards
outside surface, to provide a similar electronic response. b.
The holes shall have an approximate axial spacing of 2-1/2
inches
(6,4 cm) such that each will produce its own distinct signal on
the chart.
c. The holes are spaced circumferentially at 45 intervals around
the
pipe such that each hole passes under one (1) detector. d. The
holes shall have an approximate diameter of 0.035 inches (0,89
mm) (#65 drill bit).
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STANDARD OPERATING PROCEDURE
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Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
e. Each standard contains a longitudinal groove used to guide
the
buggy along the standard and prevent skew during
standardization. An arrow denotes the appropriate direction of
buggy travel.
9.6.2 Wall Thickness Standard. Only Tuboscope manufactured wall
reference
standards shall be used to standardize the inspection system.
These reference standards are available from the warehouse using
the following part numbers.
Pipe Size Part #
2-3/8 NDT0031403 2-7/8 NDT0031404 3-1/2 NDT0031405
4 NDT0031406 4-1/2 NDT0031407
5 NDT0031408 5-1/2 NDT0031409 5-7/8 3901800010 6-5/8
NDT0032174
a. Each standard contains an approximate 6 inch (15 cm) long
external
wall reduction which at its maximum point is about 5% in depth.
9.7 Endsonic Reference Standards
9.7.1 The reference standard shall be made from ultrasonically
defect free material with the same diameter, wall thickness,
comparable surface finish and acoustic properties as the material
being inspected. Standards may be prepared in the field if they
comply with requirements in this SOP or may be purchased through
warehouse.
9.7.2 Tuboscope manufactured Endsonic reference standards are
available
from the warehouse using the following part numbers. These
standards also contained a machined internal wall reduction (see
9.7.7).
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STANDARD OPERATING PROCEDURE
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Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
Pipe Size Wall (in.) Part # 2-3/8 0.280 367438-0010 2-7/8 0.362
374765-0010 3-1/2 0.368 363489-0010 3-1/2 0.449 363756-0010
4 0.330 363721-0010 4-1/2 0.337 363490-0010 4-1/2 0.430
367096-0010
5 0.362 363491-0010 5 0.500 363759-0010
5-1/2 0.361 363492-0010 5-1/2 0.415 363757-0010 5-7/8 0.415
390533-0010 6-5/8 0.330 367097-0010 6-5/8 0.362 374766-0010
9.7.3 Notches manufactured in the field shall be manufactured by
the EDM
process and controlled in accordance with the applicable
requirements of SOP III-600.
9.7.4 Notches. As a minimum, one (1) transverse notch shall be
placed on the
internal surface and one (1) on the external surface of the
reference standard to be used for shear wave standardization.
Tuboscope has determined through experimentation, with notches
of varying lengths and varying depths, that the following notch
dimensions were best suited to find the type of defects most
commonly found in used drill pipe, mainly minute fatigue
cracks:
a. Notch length shall not exceed 3/16 inches (4,76 mm) at full
depth. b. Notch depth shall be 7.5% of the specified wall
thickness, + 0.004
inches (0,10 mm). c. Notch width shall not exceed 0.040 inches
(1,02 mm). d. Notch orientation shall be 90, 2 from the
longitudinal axis.
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STANDARD OPERATING PROCEDURE
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Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
Note: A 10% ID transverse notch was added on all prior standards
to be used only when extreme noisy conditions will preclude the use
of the 7.5% notch or when specifically requested by customer. 9.7.5
To comply with DS-1, two (2) extra notches may be added to the
above
standard or a new standard may be manufactured with notches
complying with the following dimensions.
a. Notch length shall not exceed 1/2 inches (12,7 mm) at full
depth.
b. Notch depth shall be 5% of the specified wall thickness, +
0.004
inches (0,10 mm).
c. Notch width shall not exceed 0.040 inches (1,02 mm). d. Notch
orientation shall be 90, 2 from the longitudinal axis.
9.7.6 When the inspection is performed in accordance with this
SOP, the
notch specifications given in 9.7.4 shall govern. If the
inspection is performed in accordance with DS-1, the notch
specifications given in 9.7.5 shall prevail.
Note: When ordering older standards from warehouse you will need
to specify
to add the 5% notches to comply with DS-1 or customer
specifications.
9.7.7 Wall Reduction. To facilitate compression wave
standardization, an internal wall reduction with a remaining body
wall of 80%, 0.005 inches (0,13 mm) shall be machined or ground on
the standards internal surface.
10.0 MATERIAL CONDITION 10.1 Prior to performing any inspection,
the applicable areas of all material shall be
free from any rust, oil, scale, coating drip lines or coating
which is not adhered to the material surface which may be
detrimental to the examination. In addition to 14.0 of this
procedure, specific surface preparation requirements shall be
outlined in the applicable procedure(s) contained in this
manual.
10.1.1 Scale. Determine if there is "any" visible scale on the
pipe, according to
an experienced and qualified inspector (we must be absolutely
sure it is actually scale, not be confused with surface oxidation
or discoloration with scale). If this is the case, the appropriate
management (sales and/or operations) should contact the customer
immediately to notify
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
them of the condition of the pipe and recommend the removal of
the scale prior to beginning the inspection process. Refer to 3.7
for the DS-1 definition for scale. If the customer is notified and
they make the decision not to have the material cleaned prior to
inspection, it shall be so noted on the report.
10.1.2 Excessive Pitting. If there is any "actual" visible
pitting (not to be
confused with surface roughness) on the internal or external
surface of the drill pipe, according to an experienced and
qualified inspector, the appropriate management (sales and/or
operations) should contact the customer immediately to notify them
of the condition of the pipe. The customer should be asked to
either accept or reject the string based on their definition of
excessive pitting, or cosmetic appearance. Their reply to accept or
not accept the string shall be documented on the inspection report
and also on the run sheet in the remarks column of each individual
joint having visible OD pitting.
10.2 Any material having questionable straightness shall be
further examined as to
whether the straightness condition will have a detrimental
effect on the inspection activity or the applicable inspection
equipment. Evaluation of material for straightness shall be
performed in accordance with SOP III-002.
10.3 All material with threaded or beveled ends shall be
visually checked after
completion of the inspection order to insure the proper
installation of thread protectors.
11.0 IDENTIFICATION OF MATERIAL
11.1 At the beginning of each inspection order, each piece to be
inspected shall be identified with a permanent identification
number, unless otherwise directed by the customer. Serial numbers
assigned by the rental company or drilling contractor are
acceptable provided they are unique and allow for traceability.
11.2 Markings shall be permanent in nature and shall NOT be
placed in areas which
are prone to fatigue stresses or where sealing occurs. No
markings shall be allowed on rotary shoulders, stress relief
grooves or on elevator slip recess grooves.
11.3 Markings are typically die stamped on the 35 sloping
shoulder of the pin tool
joint. Other low stressed sections of the tool joint where the
markings will carry through operations may be used (i.e. milled
slots) as described in Table 11.3. Cold steel stenciling shall not
be made on the outer surface of the tube body,
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Effective Date August 1, 2005
SOP No. III-001
VOLUME III USED DRILL PIPE Revision 0 Page No. 17 of 27
STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
unless specifically ordered by the Customer. 11.4 Steel stamp
identification should include the Length No., Tuboscope Script
T,
punch marks for the final clarification, month and year of the
inspection. Below is an example.
50 T: 4 8
The above example indicates the pipe is joint number is 50, it
was inspected by Tuboscope, it is classified as Class 2, inspected
in April and the year was 1998.
For US operations, only a serialized the Script T, issued by
Quality/Technical Services (QTS), shall be used.
NOTE: At times, pipe will be inspected from rental firms and a
permanent number will already be steel stenciled on the pipe. All
that would be required is to steel stencil the script T, the punch
mark classification and the date inspected, plus record the
permanent stenciled number for each length of pipe.
12.0 CUSTOMER NOTIFICATIONS The responsible Tuboscope Inspector
shall notify their immediate supervisor if any of
the following occur. Tuboscope supervisory personnel shall
notify the customer as required.
12.1 The rejection rate on an order exceeds 10% after inspection
of 50 lengths or
pieces. 12.1.1 If more than 50% of the lengths of pipe are
rejected, the QTS
Department should be informed as soon as possible by the Field
Superintendent or Division/District Manager.
12.2 There is a delay in inspection of longer than two (2)
hours. 12.3 The job is shut down prematurely. 12.4 Any deviation
from the required procedure is necessary. 12.5 Grinding to remove
defects is necessary and prior permission from the customer
has not been granted. Removal of defects by Tuboscope may
require additional charges.
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Effective Date August 1, 2005
SOP No. III-001
VOLUME III USED DRILL PIPE Revision 0 Page No. 18 of 27
STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
NOTE: Fatigue cracks are prohibited from being removed and are
cause for rejection in all cases.
12.6 There will be insufficient material to meet the order
requirements, based on the
number of joints available and the reject rate. 12.7
Stencils/markings are not legible or do not match the work order.
12.8 Thread protectors are missing, damaged or are not composite
type. 13.0 REMOVAL OF THREAD PROTECTORS 13.1 When required by the
inspection/test process, the thread protectors shall be
removed and stacked or placed in such a manner as to prevent
contamination. Any damaged or defective thread protectors should be
segregated.
13.2 If protectors become contaminated or if the type of thread
compound will be
changed, the protectors shall be cleaned with an approved
solvent. The protectors shall be stacked such that cleaning fluid
will drain from the protectors and prevent contamination of thread
lubricant during re-installation. Protectors which become
contaminated after cleaning shall be re-cleaned prior to
installation.
13.3 Care shall be used when removing thread protectors to
prevent damage to pipe
and sealing surfaces with pipe wrenches. 14.0 INSPECTION SURFACE
PREPARATION 14.1 For tool joint inspection, clean the internal and
external threads and seals. This
area is detailed in Figure 14.1 as area A. 14.2 For inspection
of the tube body, insure that any drill pipe rubbers have been
removed. Remove any loose scale, sticky coatings, grease, oil,
or dirt from the entire length of the tube from upset to upset.
Clean the internal surfaces as required to remove dried drilling
mud or cement residue which may affect the inspection
adversely.
14.3 Except for liquid penetrant testing, an absorbent substance
may be applied to
the cleaned area to speed drying. 14.4 Cleaning materials and
other foreign debris incompatible with the inspection
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Effective Date August 1, 2005
SOP No. III-001
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
process shall be removed from the connections and pipe ends with
compressed air. Prior to dry magnetic particle inspection or liquid
penetrant inspection, surfaces to be inspected shall be completely
dry.
14.5 Uncoated threads that have been cleaned shall not be left
overnight without
protection from moisture, unless the material is under a covered
facility. Thread compound, soluble inhibitor or a tarp/plastic
covering shall be applied.
NOTE: If tarps/plastic covering are used and cleaned areas are
re-contaminated, re-cleaning shall be required.
14.6 Solvents and hazardous residue resulting from cleaning
shall not be hazardous
to the material being inspected nor contact the earth and shall
be collected and disposed of in accordance with the inspection
location regulations for handling of hazardous waste.
15.0 RE-INSTALLATION OF THREAD PROTECTORS
15.1 After all inspection processes are completed which
originally required thread protectors removed, ensure that the
threads are clean and dry. Lubricate the threads with the thread
compound. Lubricate the full threaded area, including seals and
thread roots, for the entire thread circumference.
15.1.1 A thread compound which meets API RP 7A1 (50% Zinc based)
shall be
used, unless specified otherwise by the customer.
15.2 In cold climates, it may be necessary to warm the thread
compound in order to apply it. Thread compounds shall not be
thinned for any reason.
15.3 Thread compounds shall be stirred prior to use to ensure
uniform mixing of
components. 15.4 The thread compound container shall be covered
when not in use.
Contaminated thread compound shall not be used. 15.5 Visually
inspect each thread protector prior to installation for damage.
Thread
protectors shall be installed wrench tight.
15.5.1 Damaged thread protectors shall be rejected. 15.5.2 Care
shall be used when installing thread protectors to prevent
damage
to pipe surfaces with pipe wrenches. Strap type wrenches shall
be used
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Effective Date August 1, 2005
SOP No. III-001
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
in cases where damage is probable. 16.0 EVALUATION OF
IMPERFECTIONS 16.1 All imperfection indications resulting from
visual, ultrasonic, EMI, magnetic
particle and liquid penetrant inspections shall be evaluated.
For automated scanning equipment, imperfection indications
(signals), as defined in the applicable Tuboscope SOP shall be
evaluated.
16.2 Except for thread and seal surfaces, imperfections shall be
evaluated in
accordance with the requirements of SOP III-002, unless
specified other-wise by the customer.
16.3 Unless specified otherwise by the customer, imperfections
on threads and
associated seal surfaces shall be evaluated in accordance with
SOP III-100. 17.0 ACCEPTANCE CRITERIA
17.1 If a defect or an imperfection indication(s) is not present
on the piece inspected,
the piece shall be classified as acceptable by the specific
inspection(s) employed. Imperfections or dimension variations are
classified as defects if they meet the criteria given in the
applicable Tuboscope SOP identified in 2.4.12 and 2.4.13.
17.2 Except for thread and seal surfaces, imperfections shall be
evaluated in
accordance with the requirements of the applicable Table 7.2.3 -
1 through 7.2.3 18 in SOP III-002, unless specified otherwise by
the customer.
17.3 Unless specified otherwise by the customer, imperfections
on threads,
associated seal surfaces and connection dimensions shall be
evaluated in accordance with SOP III-100.
18.0 POST INSPECTION PROCEDURES 18.1 Drill Pipe Inspection
Classification. Each length of drill pipe inspected shall be
classified into one (1) of the following categories: 18.1.1
Acceptable material, according to the results of the specific
inspection(s)
or test(s) performed which meets the criteria for Premium Class
in accordance with the applicable Table 7.2.3 - 1 through 7.2.3 18
in SOP
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SOP No. III-001
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
III-002, shall be identified by two (2) white bands in addition
to the one (1) center punch mark between the month and year steel
stamp markings.
18.1.2 Acceptable material, according to the results of the
specific inspection(s)
or test(s) performed which meets the criteria for Class 2 in
accordance with the applicable 7.2.3 - 1 through 7.2.3 18 in SOP
III-002, shall be identified by one (1) yellow band in addition to
the two (2) center punch marks between the month and year steel
stamp markings.
18.1.3 Acceptable material, according to the results of the
specific inspection(s)
or test(s) performed which meets the criteria for Class 3 in
accordance with the applicable Table 7.2.3 - 1 through 7.2.3 18 in
SOP III-002, shall be identified by one (1) orange band in addition
to the three (3) center punch marks between the month and year
steel stamp markings.
18.1.4 Material containing cracks, washouts (holes) or an API
defect(s) not
removable by grinding or filing and identified by red paint
markings. 18.1.5 Material containing a customer specified defect(s)
not removable by
grinding or filing and identified by customer specified paint
markings. 18.2 Inspection Classification Markings. Inspection
markings shall not be placed over
manufacturer markings, unless an imperfection exists under such
a marking. In the absence of customer specifications, the following
shall be used:
18.2.1 The color of the classification band shall be in
accordance with 18.1 and
placed on the pipe and tool joint as shown in Figure 18.2.1.
Paint or ink of long-lasting quality shall be used and shall not be
applied on threaded areas.
18.2.2 Classification bands should be at least 2 inches (5,1 cm)
wide and
placed approximately 2 feet (0,6 m) from the pin tool joint.
18.2.3 Tool Joints. Tool joints shall be classified separately from
the drill pipe.
Tool joints which do not contain any defects do not require a
classification band. Tool joints which are defective shall receive
classification bands in accordance with Table 18.2.3, next to the
bevel.
a. Tool joints which contain cracked threads may be classified
for shop
repair if the re-cut tool joint would still have sufficient tong
space.
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Effective Date August 1, 2005
SOP No. III-001
VOLUME III USED DRILL PIPE Revision 0 Page No. 22 of 27
STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
1. To estimate this, measure the length of the threads on
the
connection to be re-cut. 2. Next, measure from the crack
location towards the pipe body the
distance measured in 18.2.3.a.1. If the portion of the tool
joint remaining is greater than the minimum tong space required,
the tool joint may be marked for shop repair.
3. Thread and shoulder damage (corrosion and mechanical
damage) are typical of connections which can be shop repaired.
18.2.4 Markings, other than classification bands and permanent die
stamp
markings shall be printed or stenciled and shall be legible.
White or silver paint or ink shall be used; except that yellow or
black may be used on white, machined or chrome like product
surfaces.
a. For drill pipe body defects, a stencil or printed description
(or code)
shall be stenciled or written adjacent to the defective area
indicating the reason for rejection.
b. For rotary shouldered connections, in addition to the
classification
band, a stencil or printed description (or code) shall be
stenciled or written on the tool joint or adjacent to a BHA
connection, indicating the reason for the classification.
18.3 Bottom Hole Assembly (BHA) Inspection Classification. Each
BHA component
inspected and determined to be acceptable shall be stenciled
with OK TUBO next to each connection.
18.3.1 Defective BHA connections shall receive classification
bands and
markings in accordance with 18.2.3 and 18.2.4. 18.4 All grinds
or file marks on acceptable material shall be contoured to
remove
abrupt changes in wall thickness. Grinds shall be verified by
ultrasonic thickness measurements to ensure sufficient remaining
wall thickness. The outside diameter of the tube in the area of the
grind shall be checked to ensure the change in diameter has not
changed the classification of the tube. For automated inspections,
the minimum thickness and location of each grind shall be recorded
on the appropriate inspection prove-up report or Drill Pipe
Inspection Report sheet. All external grinds shall be coated with
rust inhibitor or
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Effective Date August 1, 2005
SOP No. III-001
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
black enamel paint, unless specified otherwise by the customer.
18.5 Pipe Segregation. Acceptable pipe shall be segregated from all
other pipe when
practical. 18.6 Inspection Records 18.6.1 One (1) or more Drill
Pipe Inspection Report sheets shall be completed
to list by piece number the inspection results accurately and
with enough detail to assure that the condition and disposition of
any inspected piece can be determined. In addition, a Drill Pipe
Summary Report shall be completed for each inspection service
order.
18.6.2 Inspection records shall be completed at the end of the
job before
leaving the location. The report shall contain the name,
signature and employee certification number of the Tuboscope
Inspector responsible for the information on the report.
18.6.3 Where applicable, defect terminology on inspection
records shall comply
with API Standard 5T1, unless specified otherwise by the
customer. 18.6.4 All inspection records shall be retained in
accordance with QSP-42-02. 18.6.5 The information marked on each
rejected piece shall be the same as
that recorded on the Drill Pipe Inspection Tally sheet. All
pieces shall be verified to have been color coded and stenciled
properly.
18.6.6 The following shall be noted on the inspection report: a.
The total number of accepted lengths and corresponding footage,
if
required by the customer. The classification band color shall be
identified.
b. The total number of rejected lengths and corresponding
footage, if
required by the customer. The classification band color shall be
identified.
c. The total number of lengths inspected and total footage, if
required
by the customer. d. The total number of customer rejected
lengths and corresponding
footage. The classification band color shall be identified.
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Effective Date August 1, 2005
SOP No. III-001
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
e. Pertinent customer information such as well charges, purchase
order
number, supplier release numbers, etc.
Weld Zone
Weld Line
Tool Joint
24 in. (61 cm)
Critical Area
Internal Upset
Weld Neck
Weld Line
24 in. (61 cm)
Slip Area
Internal Upset
Tool JointWeld Zone
Weld Neck
Figure 3.3 Slip / Critical Areas
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Effective Date August 1, 2005
SOP No. III-001
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
Table 9.1 - Equipment Verification / Calibration Frequency
Equipment Description Minimum
Frequency(months)
Equipment Description Minimum
Frequency(months)
Artificial Overhead Light Sources 4 Micrometer Standard (End
Measuring Rod) 12
Hand Held Visible Light Sources 4 Lead Gauge 4 Ambient Visible
Light Intensity 4 Lead Gauge Setting Standard 24 Surface
Thermometer 12 Dial Caliper 4 Contact Pyrometer 12 Micrometer Depth
Gauge 4 Dial Depth Gauge 4 Micrometer 4 Dial Indicator 4 Ultrasonic
Flaw Detector 6 Light Meter 4 Ultrasonic Waveform Monitor 6
Magnetizing Source Ammeter 4 Portable Ultrasonic Thickness Gauge 6
Mechanical Magnetometers 4 Electronic Gaussmeter 6 AC Yoke 4 API
Spec 7 Master Ring and Plug Gauges 84
Rotational / Linear Speed Indicator Meter 6
API Spec 7 Working Ring and Plug Gauges 4*
Inductive Ammeter 4 Radiation Survey Meter 6 Magnetic Pulser 4
Encoder Wheel (for pipe length) 1 * Working gauges may be verified
after 500 documented usages, however, they shall at least be
verified annually.
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Effective Date August 1, 2005
SOP No. III-001
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
Table 11.3 - Permanent Marking Locations
Equipment Marking Location
Drill Pipe and Heavy Weight Drill Pipe On the taper of the pin
tool joint or in the milled slot on the pin tool joint. Spiral
Drill Collars On flat of spiral, as close as possible to the pin.
Subs < 2 feet (0,6 m) in length In milled slot, 3/16 inch (0,2
mm) deep, near mid-length. Slick Collars and Subs > 2 feet (0,6
m) in length
In milled slot, 3/16 inch (0,2 mm) deep, 2 to 3 feet (0,6 to 0,9
m) from pin.
Kellys On the taper of the box connection.
Valves In milled slot, or on the outside surface outside of the
tong space. The milled slot must not alter the strength of the
valve body
AA
Figure 14.1
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Effective Date August 1, 2005
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STANDARD OPERATING PROCEDURE
(Company Confidential) General Requirements
Copyright 2005 Tuboscope, P.O. Box 808, Houston, Texas 77001
CLASSIFICATION PAINT BANDSFOR DRILL PIPE
TOOL JOINTCONDITION BANDS
STENCILS FOR PERMANENTMARKING FOR CLASSIFICATION
OF DRILL PIPE BODY
Figure 18.2.1
Table 18.2.3 - Tool Joint and BHA Classification Markings
Condition RP 7G & NS-2 DS-1 So. Louisiana
Shop Repairable Red Blue Yellow
Field Repairable (refacing required) Green Green White on the
shoulder
Scrap (reject) Red Red Red
Undersize Red Red Green