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A SYSTEMS APPROACH
TO FUTURE SEABED
OIL PRODUCTION
Achievable possibilities within the next 5 years
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PRESENTATION
1. INTRODUCTION -Wellheads / SpoolTrees
- Coil Tubing / Wireline BOP Intervention
3. Elect-Ro Actuator -Valves and Chokes - Control Actuation Module
2. Pyramid Up Guidance System (PUGS)
- Field Standardisation
4. Well Completions -ESP, HSP, Condensate Pump
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6. Drilling Scopes - Exploration - Production
- Catwell and Sherdaps
CONCLUSION
5. Field Systems - Seabed Separation
- MASPS
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WELLHEADS / SPOOLTREES
CONVENTIONAL
-Subsea, Mudline, Platform
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COIL TUBING / WIRELINE INTERVENTION BOPVARIATION OPPORTUNITIES
Drill Thru
Bi Modal
ESP or SmartHSP
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COMPARISON OF TREES
A Systems Approach to Future Seabed Oil Production
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Dual Bore Tree SpoolTree
2" Tubing 5.1/2" Tubing
5.1/2", 7" or
9.5/8" Tubing
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SPOOLTREE EVOLUTION
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SUBSEA MUDLINE PLATFORM
Original
Design Drive
Medium Subsea
Deepwater
Mudline
Platform
Patent Protected
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7.1/2" COIL TUBING/WIRELINE BOP SYSTEM FOR SPOOLTREES
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CT/WLBOPSYSTEM
Free StandingMonobore Riser
Lower RiserPackage
SpoolTree
SubseaWellhead
Prime mechanical barriers (valves, rams or cap)
Open barrier
Closed barrier
LEGEND
EmergencyDisconnect
Package
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DRILL THRU HORIZONTAL / SPOOLTREE CONFIGURATION
A Systems Approach to Future Seabed Oil Production
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Tree / WHD / WellAssembly
Drill Thru Horizontal /SpoolTree
18.3/4" StandardSTM WHD Housing
10.3/4" ProductionCasing Hanger
18.3/4" - 13" NomConversion Sleeve
30" Housing
30" or 36" Conductor
(Optional 20" to 24.1/2"Surface String)
13.3/8" or IntermediateString
9.5/8" or 10.3/4"Production Casing
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DRILL THRU CT/ESP or CT/SMART SPOOLTREE
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7" ProductionIsolation Valve
2" AnnulusIsolation Valve
7" Well Tubing Hanger
2" AnnulusMaster Valve
Debris Cover
7" Production Master Valve
Electrical HorizontalTelescopic Connector
Isolation Plug
Internal HP Cap2" Workover Valve
2" Crossover Valve
Coil Tubing ElectricalPower Hanger
18.3/4" DrillThru SpoolTree
18.3/4" Stepped WHD
7" Tubing
13.3/8" Intermediate String
Optional 20" to 24.1/2"Surface String
10.3/4" / 9.5/8"Special Hanger
30" Housing
30 " or 36" Conductor
9.5/8" / 10.3/4"Production Casing
Electrical Cable withinCoil Tubing
To Retrievable Electrical Submersible Pump (ESP) or Coiled Tubing/Smart Sensors Equipment
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BI-MODAL COMPLETIONS
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Bi-Modal Drill ThruSpoolTree Wellhead
Assembly
Stepped WHD Housing
Outer Tubing Hanger
Production Casing Hanger
Production Casing
Outer Tubing
Inner Tubing Hanger
Inner Tubing
TYPE OF WELL
Individual Dual Zone Producer
Production Casing AnnulusMonitoring (HP/HT)
Gas Lift Producer with Water
(or Gas) Injection
Non commingled HSP Producerwith Water Injection
Closed Loop HSP Producer
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DRILL THRU HORIZONTAL/SPOOLTREE ONSTEPPED PRODUCTION WELLHEAD
A Systems Approach to Future Seabed Oil Production
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Drill-ThruHorizontal / SpoolTree Stepped WHD Housing
ProductionCasing Hanger
Housing
Tubing
Conductor
Intermediate StringProduction Casing
(OptionalSurface String)
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FREE STANDING RISER SYSTEMS
A Systems Approach to Future Seabed Oil Production
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ParkedPosition
MonohullIntervention
Vessel
7.1/2" Riser
MonohullIntervention
Vessel
IsolationBOP
Shallowdepthemergencydisconnect
Intervention BOP
TreeWellhead
7.1/2" Riser
Semi SubmersibleDrilling Vessel
Semi SubmersibleDrilling Vessel
DrillString
BOPStack
TreeWellhead
BOP StackRetrieval
InterventionMode
DisconnectPosition
Emergency DisconnectPosition
Floatation
BOP StackLRP
DrillingMode
SpoolTreeWellhead
Riser
ShallowdepthemergencydisconnectIsolation
BOP
DRILLING INTERVENTION
Well Drilling Emergency Disconnect BOP Retrieval Well Intervention Emergency Disconnect
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PYRAMID UP GUIDANCE SYSTEM (PUGS)
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Catchment Orientated & Aligned Landed
BOPGuidanceArrangement
MaximumCatchment
SquareFramework
LowerModulee.g. PGB orTree Module
Connectormade-up toHub
Upper Modulee.g. BOP- Drilling- Wireline- Coil Tubing- ROV- ROT
Telescopic Sleeve(Soft Landing& ControlledRelease)
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STANDARD FIELD PUG ASSEMBLIES
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RIGHTOPEN IDE
OPEN IDERIGHT
OPEN IDERIGHTOPEN IDELEF T
WELL
INTERVENTION
SYSTEM
DRILLING BOP
SPOOLTREE
WELLHEAD / PGB
CS0
CS0
WELL
INTERVENTION
BOP
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CONVENTIONAL ELECTRIC/HYDRAULIC CONTROL SYSTEM
A Systems Approach to Future Seabed Oil Production
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HydraulicUmbilicalConnection
Subsea Wellhead
FlowlineConnection
Open Valve
Closed Valve
HydraulicFail CloseActuators
ConventionalTree
CONVENTIONAL SUBSEA E/H TREE ARRANGEMENT HOST INSTALLATION
E/H Umbilical
Pressure &TemperatureSensors
Master ControlSystem
ElectricPower Unit
Hydraulic
Power Unit
Control Pod
Umbilical
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ELECT-RO PRODUCTION CONTROL SYSTEM
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PT
SCSSV
Spool
Tree
Electrical Umbilical
ROV CAM WorkoverConnection
Subsea Hydraulic PumpUnit & Accumulator
Subsea ElectricalModule (SEM)
Tree to CAMInterface Plate
PT
MasterControl
Station (MCS)
ElectricalPower
Unit (EPU)
Production Facility
SCSSV HydraulicReservoir
ROV Tree WorkoverConnection
CAM Mounting Base
CAM
WellheadConnector
SubseaWellhead
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A Systems Approach to Future Seabed Oil Production
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P
CLOSED LOOP WITH RETRIEVAL HYDRAULIC PUMP / PRODUCTIONCOMPLETION USING A BI-MODAL HORIZONTAL / SPOOLTREE
Production
Pumped Production
Drive Fluid In
Drive FluidOut
Drive Fluid In
Drive Fluid Out
7" Tubing
9 5/8" Casing
10.3/4" Casing
13.3/8" Casing
Hydraulic Motor
Pump
PRODUCTION ZONE
Pre-Packed Screens
Inner Tubing
Outer Tubing
Horizontal SpoolTree
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Flowrate &Densiometer Sensor
Pressure & TemperatureSensor
Electrical Power Cablewithin Coil Tubing
ESP Pump
ESP Motor
7" or 9-5/8" Tubing
PRODUCTION ZONE
13-3/8" ProductionCasing
Tubing Hanger
HorizontalSpoolTree
Pre-Packed Screens
COIL TUBING SUSPENDED EQUIPMENTIN WELL COIL TUBING ESP PUMPING SYSTEM IN A 7" OR 9.5/8" COMPLETION
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Liquid pumped to surface
Separated FluidHolding Sleeve
P&T Monitoring
2 Stage Separation(Number of Stagesas Specified)
Perforations
Shoe
Downhole Gas Injection
Pump System(DH-GIPS)
Downhole Gas AnnulusSeparators (DH-GAS)
Slotted Joint
Production Packer
Line Crossover
SCSSV
Present Wellhead
Spool Tree
Gas Operation LineLiquid Outlet
Annulus
Gas Export
DOWNHOLEANNULUS
SEPARATION &PUMPING SYSTEM(DHASPS)
PRINCIPLES
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A COMPACTVASPS 2 PHASE
(GAS/LIQUID orLIQUID/LIQUID)
Enhance for 3 PhaseSeparation
(Optional)PT
PTFD
Housing
Housing
Gas Annulus
Gas Check Valve
Outlet Liquid Flow
Gas Outlet
Electrical GasCompressor
Production Tubing
Coil Tubing
Pressure
Temperature
Density
Flow
Conductor
Liquid StabilizingSettling Depth
Monitoring Sensors
Sea Bed
Helix Joints
Inlet Vortex
Electrical Power Cable3000V x 125A
Inlet Multiphase
Flow
Electrical SubmersibleMotor with Protector
ElectricalSubmersible Pump
Debris Sump
Gas
Liquid(oil & water)
PTFD
PTF
T
P
D
F
PT
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CONVENTIONAL SUBSEA PRODUCTION APPROACH
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Hydrostatic
2,000 PSI
10 km
Stable BuoyantProductionInstallation
Gas
Oil
Water
GasInjection
Well
ProductionWells
(Gas Lift)
WaterInjection
Well
Template
Manifold Water InjectionGas/Oil/Water ProductionTest FlowlineGas Injection
Riser Base
CONFIDENTIAL
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CONVENTIONAL SUBSEA SEPARATION APPROACH
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Hydrostatic
2,000 PSI
50 km
Stable BuoyantProductionInstallation
Manifold
- HIPPS facility- Complex operation
High power input- Variable speed controls
Gas
Oil
Water
GasInjection
Well
ProductionWells
(Gas Lift)
WaterInjection
Well
Template
Choke
Multiphase Field Separator- Complex controls- Online critical path
RiserBase
Ps = 400 PSI
Oil
Water
Oil
Common lowestfield pressure
Common highest fieldinjection pressure
WHFP reduced by 1,000 PSI -loss of power
WaterInjection
CONFIDENTIAL
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GOW-SAPS PROPOSED SOLUTION
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Hydrostatic
2,000 PSI50 km
Stable BuoyantProductionInstallation
Gas
Oil
Water
Oil production
GasInjection
Well
WaterInjection
Well
ProductionWells with
Gas Lift(or HSP)
Process Hub Base
ProductionWells with
Gas Lift(or HSP)
GOW SAPS
Water drive /injection
WHD flowpressure
GOW-SAPS Module perProduction Well
- Power drives- 200-400 psi operating- Phase pumps- Self contained controls
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FIELD OPTION : GOW-SAPS FIELD LAYOUTPROCESS HUB ARCHITECTURE
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PiggingLoop
PiggingLoop
ASSUMPTIONS
- DP drilling & intervention operations
- Electric Fail Closed Springless Actuators onvalves and chokes
- Intelligent Dual Redundancy Control System
FIELD 16 Producers
4 Water Injection
2 Gas Injection
WELL PROCESS HUB
Pipeline bundle from
Export Facility
- Oil line
- Water drive / injection line
- Chemical injection
- Umbilical
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MASPS MATRIX SYSTEM RUNNING SEQUENCE
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36" BHA
36"CONDUCTORHOLE
STEP 5 Land Drilling Guide Base
STEP 6 Drill 36" Conductor Hole
RUNNING PROCEDURE
HUB GUIDE BASE
SPACER ARM DRILLINGGUIDE BASE
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MASPS FULL SIDE ELEVATION
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PRODUCTION
FLOW BASE
DRILLING
FLOW BASE
MANIFOLD / SEPARATION /
PUMPING OPTIONS
PRODUCTION
BRIDGE
SPACER
ARM
PRODUCTION
FLOW BASE
DRILLING
FLOW BASE
PRODUCTION
BRIDGE
SPACER
ARM
HUB
GUIDE BASE
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DRILLING WELL CONFIGURATIONSA Systems Approach to
Future Seabed Oil Production
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Drilling Vessel
Riser
BOP
Wellhead& Tree
Open Hole
Drilling
IntermediateCasing Strings
Production
Casing
Liners
Open Hole
Completion
Type of Well
CONVENTIONAL
7" Tubing
Exploration &High Production
Heavy Duty
Semi Submersible
Drilling Vessel
Freestanding21" LP Riser
18.3/4" LRP
18.3/4" BOP
18.3/4" SpoolTree
18.3/4" Wellhead
30"/36" Conductor
20" Surface Casing
16" Casing Optional
13.5/8" Casing
10.3/4" / 9.5/8"Production Casing
7" Liner
5.7/8" OH(Optional)
LARGE BORE
9.5/8" Tubing
High Production &Bi Modal
Heavy Duty
Semi Submersible
Drilling Vessel
Freestanding21" LP Riser
18.3/4" LRP
18.3/4" BOP
18.3/4" SpoolTree
18.3/4" Wellhead
36" Conductor
24.1/2" Surface Casing
20" Casing (Optional)
16" Casing
13.3/8"Production Casing
9.5/8" Liner
8.1/2" OH
SLIM BORE
5.1/2" Tubing
Exploration &Medium Production
Medium Duty
Semi Submersible
Drilling Vessel
Freestanding16" LP Riser
13.5/8" LRP
13.5/8" BOP
13.5/8" SpoolTree
13.5/8" Wellhead
30"/20" Conductor
13.5/8" Surface Casing
10.3/4" Casing
8.5/8"Production Casing
6" Liner
5.1/4" OH
SMALL BORE
2.7/8" Coil Tubing
Exploration,Monitoring & Sampling
Monohull
Coil Tubing
Vessel
Freestanding8.5/8" HP Riser
7.1/2" LRP
7.1/2" BOP
7.1/2" SpoolTree7.1/16" Wellhead
10.3/4" Conductor
6.5/8" Surface Casing
5.1/2" Coiled Casing
4.1/2" Coiled Casing
3.1/2" Coiled Liner
2.7/8" OH
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Stable Buoyant
Production Installation
3 - 5 km Max.Limited Horiz. Range
3 - 5 km Max.3 - 5 km Max. 3 - 5 km Max.
DP Heavy Duty
Semi-submersible
Drilling Rig
SubseaBOP
Production Riserfor Subsea Wells
Tieback
High Angle Build-up
Drilling Riser
Drilling Sensitive Well Control
Mud Weights
Circulation Pressures
Kick Control
Small Platform Reservoir Foot Print
Large number of wells per field
Complex field infrastructure
HydrostaticPressure
Low FormationPressure
Low ReservoirPressure
Shallow Reservoir
SatelliteCluster System
Flowlines
MildEnvironment
D
eepwater
60
0m-
2000m
800m
LEGEND
Platform Wells with Dry Trees
Subsea Wells with Wet Trees
CONVENTIONAL DEEPWATER/SHALLOW RESERVOIR SCENARIO
Catwell & Sherdaps for Deepwater Production Fields
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CATWELL DESCRIPTION
Catwell & Sherdaps for Deepwater Production Fields
Platform SpoolTree
10.3/4" TiebackHanger
13.3/8" Tieback Hanger
Platform Deck& Docking Unit20" Adjustable wellhead
20" Well CarrierPipe
10 3/4" TiebackProduction Casing
13 3/8" Casing
7" ProductionTube
Option 20" HorizontalMudline Housing
20" TowheadSecuring Piles
13.3/8"Tieback Hanger
10.3/4"Tieback Hanger
7" MudlineSCSSV
20" Exit Housing
Carrier PipePivot
Towskid
16" Conductor
Seabed
10.3/4"- 9.5/8"Casing Bushing
7" Downhole SCSSV
13.3/8" Intermediate String
9.5/8" Production
Casing String
7" Completion Tubing
7" Liner or
Screens
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SHERDAPS CONCEPT (PLAN)
Catwell & Sherdaps for Deepwater Production Fields
Minimum 600m at 3 build-up per 30m
BuoyantPlatformSHERDAPS
CATWELL
Branch 1
Catenary Bundle
Drilling Riser
Choke & Kill Lines
Utility Line
Catwell
Template
Tree Bay
BOP Bay
Manifold
Pipeline Bundle
Pipelines
Umbilicals
Flowlines
Catwell Catenary Conduit
SherDaps Catenary Drilling Riser
Conduit
Subsurface W ell Conductor
Template Connection
Seabed Bundle
Drilled Wells
Triple Junct ionTemplate Dual J unct ionTemplate
LEGEND
Branch 2
Branch 3
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6332/38 01/03
A Systems Approach toFuture Seabed Oil ProductionA SUBSEA SYSTEMS INTER RELATION DIAGRAM
NEWA
DAPTATIONOFTECHNOLOGIES
EXPLORATION PRODUCTION
ECONOMICS
BENEFI
TS
Bi-Modal
LargeBore
Gas Pumping/DH Separation
Completions
Large Bore Drill Thru
Drilling
Field Monitors
Exploration Field
AppraisalWells
CT CasedWell
Pre-EngineeredModular
Construction
Sherdaps Catwell
GOSPS GOW-SAPSWOSPS
Separation &Pumping
WHD/SpoolTreeTool Box
CT InterventionMonohull Vessel
Manifolds
ControlsHeavy DutySemi
Free Standing Risers
Monohull Vessel
InterventionDrilling
PUGS
Optimum Field Design
Higher return oninvestment
Less wells drilled
Higher production per well
Low cost intervention
Maximises FieldProduction flow
Early First Oil
Higher flow rates perhardware
Reduced Topside facilities
Lower cost development
Lower cost sitehardware
Speedy installation
Efficientmanagement ofField
Closed Loop
Prod / WI
Dual Producer
Gas Lift Producerwith WI
Direct
DH Separation& WI
Scope to operate
High reliabilitySimplicity & flexibility
Low power
Reduces Topsideprocessing
Site reinjection
Reduction orelimination of certainpipelines/risers
Standard installation
Pre engineeredFast deployment
Reduced
platform sizeFull-time directwell access
$
$ $ $ $ $ $
$$
$
$
$
$
Higher well accessefficiency
Lower Vessel times
$
$
Standard FieldInterface
Operational flexibility
Correct Field Evaluation(Knowledge)
Business DevelopmentPlan & Strategy
HSP ESP
Actuation Operation
Prod'n
Mini TensionedFPV
TensionedFPSO
MASPSMATRIX
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A Systems Approach to Future Seabed Oil Production
CONCLUSION
SYSTEMS APPROACH TO SUBSEA
OPTIMISE DESIGNS FOR A STEP CHANGE
FULL MACRO FIELD APPROACH
Well (Vertical Regime)Seabed :
- Field (Wellhead vicinity)
- Pipelines (Horizontal Regime)
Risers (Vertical Regime)
Discovery
Development
Production
Critical Production Path
Reservoir / Completion / Tree / Export