society of underwater technology systems approach 2003

8/2/2019 Society of Underwater Technology Systems Approach 2003

1/39

A SYSTEMS APPROACH

TO FUTURE SEABED

OIL PRODUCTION

Achievable possibilities within the next 5 years

6332/01 01/03


2/39

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

A Systems Approach to Future Seabed Oil Production

6332/02 01/03

6. Drilling Scopes - Exploration - Production

- Catwell and Sherdaps

CONCLUSION

5. Field Systems - Seabed Separation

- MASPS


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4/39

WELLHEADS / SPOOLTREES

CONVENTIONAL

-Subsea, Mudline, Platform


6332/04 01/03

COIL TUBING / WIRELINE INTERVENTION BOPVARIATION OPPORTUNITIES

Drill Thru

Bi Modal

ESP or SmartHSP


5/39

COMPARISON OF TREES


6332/05 01/03

Dual Bore Tree SpoolTree

2" Tubing 5.1/2" Tubing

5.1/2", 7" or

9.5/8" Tubing


6/39

SPOOLTREE EVOLUTION


6332/06 01/03

SUBSEA MUDLINE PLATFORM

Original

Design Drive

Medium Subsea

Deepwater

Mudline

Platform

Patent Protected


7/39

7.1/2" COIL TUBING/WIRELINE BOP SYSTEM FOR SPOOLTREES


6332/07 01/03

CT/WLBOPSYSTEM

Free StandingMonobore Riser

Lower RiserPackage

SpoolTree

SubseaWellhead

Prime mechanical barriers (valves, rams or cap)

Open barrier

Closed barrier

LEGEND

EmergencyDisconnect

Package


8/39

DRILL THRU HORIZONTAL / SPOOLTREE CONFIGURATION


6332/08 01/03

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


9/39

DRILL THRU CT/ESP or CT/SMART SPOOLTREE


6332/09 01/03

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


10/39

BI-MODAL COMPLETIONS


6332/10 01/03

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


11/39

DRILL THRU HORIZONTAL/SPOOLTREE ONSTEPPED PRODUCTION WELLHEAD


6332/11 01/03

Drill-ThruHorizontal / SpoolTree Stepped WHD Housing

ProductionCasing Hanger

Housing

Tubing

Conductor

Intermediate StringProduction Casing

(OptionalSurface String)


12/39


13/39

FREE STANDING RISER SYSTEMS


6332/13 01/03

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


14/39

PYRAMID UP GUIDANCE SYSTEM (PUGS)


6332/14 01/03

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)


15/39

STANDARD FIELD PUG ASSEMBLIES


6332/15 01/03

RIGHTOPEN IDE

OPEN IDERIGHT

OPEN IDERIGHTOPEN IDELEF T

WELL

INTERVENTION

SYSTEM

DRILLING BOP

SPOOLTREE

WELLHEAD / PGB

CS0

CS0

WELL

INTERVENTION

BOP


16/39


17/39

CONVENTIONAL ELECTRIC/HYDRAULIC CONTROL SYSTEM


6332/17 01/03

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


18/39

ELECT-RO PRODUCTION CONTROL SYSTEM


6332/18 01/03

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


19/39


20/39


6332/20 01/03

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


21/39


6332/21 01/03

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


22/39

A Systems Approach toFuture Seabed Oil Production

6332/22 01/03

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


23/39


24/39

A Systems Approach toFuture Seabed Oil Production

6332/24 01/03

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


25/39

CONVENTIONAL SUBSEA PRODUCTION APPROACH


6332/25 01/03

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


26/39

CONVENTIONAL SUBSEA SEPARATION APPROACH


6332/26 01/03

Hydrostatic

2,000 PSI

50 km


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


6332/27 01/03CONFIDENTIAL

Hydrostatic

2,000 PSI50 km


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


28/39

FIELD OPTION : GOW-SAPS FIELD LAYOUTPROCESS HUB ARCHITECTURE


6332/28 01/03CONFIDENTIAL

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


29/39


30/39

MASPS MATRIX SYSTEM RUNNING SEQUENCE


6332/30 01/03

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


31/39

MASPS FULL SIDE ELEVATION


6332/31 01/03

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


32/39


33/39

DRILLING WELL CONFIGURATIONSA Systems Approach to

Future Seabed Oil Production

6332/33 01/03

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


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


13.5/8" LRP

13.5/8" BOP

13.5/8" SpoolTree

13.5/8" Wellhead

30"/20" Conductor


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


5.1/2" Coiled Casing

4.1/2" Coiled Casing

3.1/2" Coiled Liner

2.7/8" OH


34/39


35/39


6332/35 01/03

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


36/39


6332/36 01/03

CATWELL DESCRIPTION


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


37/39


6332/37 01/03

SHERDAPS CONCEPT (PLAN)


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


38/39

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


39/39


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

society of underwater technology systems approach 2003

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