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© 2007 Baker Hughes IncorporatedAll rights reserved.
Baker Oil Tools
Well CompletionWell Completion
Subsoil Conference, Esbjerg 6. February, 2007Subsoil Conference, Subsoil Conference, Esbjerg 6. February, 2007Esbjerg 6. February, 2007
by Trond Rese
Baker Oil Tools, Scandinavia
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Content
Completion - Definition
Basic well completion sequence
Pertinent completion concepts
PSI completion
Basic completion principles
Completion elements
Advanced completion technology
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The Purpose of the CompletionThe well completion is the installation that enables production of fluids in a safe and efficient manner.
Ideally, the lowest cost completion (considering both initial and operating costs) that meets the demands placed upon it for the well life.
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Reservoir Management ToolThe choice of completion concept is dictated by:
The reservoir model and operator’s drainage strategy.– Horizontal wells– Single zone/multiple zone– Co-mingled production/flow control– Pressure maintenance
Reservoir properties.– Open hole/Cased hole completion– Sand control measures– Stimulation– Artificial lift
The physical and chemical qualities of the fluids.– Completion metallurgy– Elastomer qualities– Deposits/Scale– Chemical injection
Other development considerations.– Expandable tubulars– Future well interventions– Well trajectory– Intelligent Wells– Multilateral wells
ROCK
GRAIN
ROCK
GRAIN
POROSITYPOROSITYSwSwCEMENTCEMENTCEMENTPERMEABILITY
PERMEABILITY
SoSo
PERMEABILITY
PERMEABILITY
P/T gauge
Production Packer w/ feed through
MLZX Liner Hanger and Packer w/ PBR
HCM Sleeve
ZXP Liner Hanger and Packer w/ PBR
Schrouded HCM Sleeve
Seal Bore Diverter
Hydrasplit w/ 4 1/2" on lateral legand 7" on main leg
Production Anchor w/PBR sealassembly
ZXP Liner Hangerand Packer w/ PBR
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Basic Sequences of a Well Completion
Run & hang off linerCement liner
Install production tubing
Perforate
Produce
N/D BOP N/U X-mas tree
Drilling operationDrill 30” – 36” pilot holeSet 30 “ conductor Drill 26” surface holeInstall 20” surface casingDrill 17 ½” intermediate holeInstall 13 3/8” intermediate casingDrill 12 ¼” hole to top of the reservoirInstall 9 5/8” casingDrill 8 ½” hole to TD
Set liner hanger packer
Set production packer
Stimulate
Start of the Completion Operation
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Reservoir
Reservoir
Completion Concepts
Multiple zone completion
Production packers set in the linerTop packer need to be V0 ratedSelective zone production
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Reservoir
Reservoir
Completion Concepts
Multiple zone completion
Dual stringTop packer need to be V0 ratedSelective zone production
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Reservoir
Reservoir
Reservoir
Completion Concepts
Multiple zone completion
Production packers set above the linerIsolation packer between the zonesSelective zone production
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Perforate, Stimulate & Isolate (PSI) Horizontal Completion
Side-MountedGuns with Firing Head
“K-3”Hold Down
RetrievableISO Packer
Locator Tubing SealAssembly
WorkString
BallSeat
ISO PackerRunning Tool
“CM” Sliding Sleeve Concentric Work String
ProductionTubing
Guns
Work String
Liner
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PSI Completion Process
RIH and set Sump Packer
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PSI Completion Process
Position guns and perforatePOOH
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PSI Completion Process
RIH with isolation assemblySet anchor and stimulateClean out excess
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PSI Completion Process
Stab into sump packer
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PSI Completion Process
Set ISO PackerPosition guns and perforatePOOH
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PSI Completion Process
RIH with new isolation assemblySet anchor and stimulateClean out excess
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PSI Completion Process
Stab into packer
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PSI Completion Process
Position guns and perforate new zoneRepeat process until all zones are completedSet Packer
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PSI Horizontal Completion
Perforate stimulate and isolate in one tripDeveloped for multiple-zone hydraulic fracsSingle-string selective cemented completionCompletions – 3.500+ zones isolated to date
Retrievable ISO-Packer
Locator Tubing Seal Assembly
Tubing “CM” Sliding Sleeve (closed)
Sump Packer
Millout Extension
9-5/8” or 10 3/4“ “Neo” Packer
Locator Tubing Seal Assembly
Liner
Liner Hanger
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Open Hole CompletionCased Hole Completion
Lower Completion(Production Control)
Upper Completion(Well Control)
Well Completion Scematic
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Well Completion Scematic
Base pipeWire wrapMembraneSchroud
Screen
EXCLUDER 2000
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Well Completion ScematicPBR
Liner hanger slips
Packing element
Liner Hanger
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Well Completion ScematicInner Flow Ports
Inner Sleeve
Outer Flow Ports
Sliding Sleeve
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Well Completion Scematic
Inner Flow Ports
Inner Sleeve
Outer Flow Ports
ShroudedSliding Sleeve
ShroudPlug
Flow Ports
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Well Completion ScematicSlips (cast iron)
Packing element
Slips (cast iron)
Production Packer
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Side pocketw/flow ports
Maine bore
Well Completion Scematic
Orienting sleeve
Tool guards
Side Pocket Mandrel
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Well Completion Scematic
Side Pocket Mandrel
Completion fluidGaslift Gas
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Well Completion Scematic
DHSV
CASV
FLX-4
PCT
SafetySystems
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The Intelligent Well System
Seating Nipple or Bull Plug
Mechanical Sleeve
Hydraulic/Electric Sleeve
Permanent Monitoring
Splice Sub and Connectors
Isolation Packer
Production Packer
Hydraulic/Electric Conduit
Fiber or Electric Conduit
Other Completion Components (Gauge Mandrel, Side Pocket Mandrels, Expansion Joint, Wet Disconnects, etc.)
Safety Valve
Data Acquisition System
Control Panel
Tubing
Wellhead /Tubing Hanger penetrates and feedthroughs
Cable Protection Systems (Clamps)
Bumper Wire Termination Subs
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The Intelligent Well SystemBasic Elements
Permanent Sensorsfor Pressure, Temperature and Flow
Remote Control Flow Regulators
Hydraulic Control Lines, Chemical Injection Lines and Communication Lines
Production and Isolation Packer with by-pass feature
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Multilateral WellsMULTILATERAL
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ML – TAML Code(Technology Advancement – Multilateral)
Pressure integrity at the junction achieved with the casingLEVEL 6
LEVEL 5
Cased and cemented main bore & lateral. Pressure isolation atthe junction achievedwith completion LEVEL 4
Cased and cemented main bore and lateral
LEVEL 3
Cased and cemented main bore
Lateral cased but not cemented
LEVEL 2
Cased and cemented main bore
Open hole, or unsupported liner
in lateral
LEVEL 1
Open unsupported junction
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Multilateral Systems
Level 6– FORMation Junction
Level 5– FORM 5 Junction– HydraSplit HP Junction 1
– RAM Hanger (3 or 5) 2
Level 3-4– HOOK Hanger System
1 Under development (Qtr 1-08)2 Under development (Qtr 1 – 07)
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Expandable Tubulars
8-1/2"OpenHole
6-7/8" EXPressScreen
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Expansion Video
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linEXX Video
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Reducing Annular Space, Increasing ID
Large annular flow due to greater resistance to flow in the pipe than the annulus No annulus,
no annular flow
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Futu
r e
Cur
rent
Well Construction Evolution
Reduced consumptionDrilling Fluids 60% reductionCasing 60% reductionCement 75% reduction
Reduced environmental impactCuttings 60% reductionLess consumption means less transport
Reduced drilling riskSmaller rig/vessel
Traditional Monobore
Expandable technology
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Summary
● Lower Completion– Cased hole completion– Open Hole Completion– Zone Isolation/Control
● Upper Completion– Safety systems– Artificial Lift– Packer Systems– Flow Control
● Advanced Completion Systems– Multilateral Well Completion– Intelligent Well Systems– Expandable Metal Systems
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Baker Oil Tools
Thank you for your attention.