Architecture of Trees in the Rain Forest of morobe district, new guinea
MTS SYMPOSIUM SESSION 9: SEABED ARCHITECTURE€¦ · Presentation 1: Trees. Return to session...
Transcript of MTS SYMPOSIUM SESSION 9: SEABED ARCHITECTURE€¦ · Presentation 1: Trees. Return to session...
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MTS SYMPOSIUMSESSION 9: SEABED ARCHITECTURE
Presentation 1: Trees
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Subsea Architecture
Trees (Part 1)
•Typical Tree Configurations
•Typical Add-Ons or Options
•Specialized or Custom Trees
•Typical Applications
•Trends
•Typical Control Systems
•Typical Applications
•Umbilicals
•Flying Leads
•Trends
Control Systems (Part 2)
Flowlines (Part 3)
•Flowline Systems
•PLET, PLEMs & Manifolds
•Connection Systems & Jumpers
•Field Layouts – Past & Present
•Trends
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Typical Subsea Trees
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Mudline Suspension Tree
•Shallow water applications (Diver Intervention)
•Typically Installed from Jack-up Rigs
•Minimal Hydraulic Functions (4 to 7)
•With and Without Sensors
•Cost is usually 30% to 50% of other trees
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Conventional Dual Bore Tree
Features:
• Integral Master Valve Block
• External Tree Cap
• Tubing Hanger Installed In Tubing Spool or Wellhead
Tree Frame
Tree MasterValve Block
Tubing Spool
Wellhead
Drilling Template
Tree Connector
TubingHanger
WellheadConnector
ProductionGuide Base
Tree Cap
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Horizontal or Spool Tree
Production Valves
ProductionChoke
Debris Cap
Internal Tree Cap
Crown Plug
Annulus Valves
Tree Spool Body
Annulus Flowline Connector
Production Guide Base Intervention Funnel
ProductionFlow Line Connector
Tree Connector
Wellhead
FEATURES
•Side Mounted Valves
•Crown Plug
•Tubing Hanger Lands in Tree Body
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Configuration
All chemical injection in this example is downstream of the master valve.
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Configurations
AAV
AMV
AWV
PMV PWV
PCV
PIV
MITVMIDV1
XOV
CIDV
CIL
AALMIL
MIDV2
SV1
SV2
SCSSV
PIV - Production Isolation Valve (also called Flowline Isolation Valve.
This can be used to prevent flooding of the jumper in the event of a choke insert change out.
Chemical injection downhole and at tree.
No internal tree cap. Dual plugs in the Tubing Hanger
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Other Options
•Secondary Crossover Valve
•TH configured to support smart completions
•Sliding Sleeves
•ESP (Electrical Submersible Pumps)
•Choke (Production Control Valve)
•Secondary Wing Valve (usually configured as an orifice gate valve in place of a choke)
•Enhanced Completion Guide Base
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Split Tree
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Configurations
Guideline Diverless Guideline Diver assist
Guidelineless Diverless
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What Flavor Do You Want?
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Simple Tie-Back
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Daisy Chain
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Template Trees
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Trends
•In deepwater applications, Horizontal or Spool Trees are the preferred choice
•Mudline Trees are still in use
•High Temperature High Pressure
•Independents are taking the lead in using “standard” trees
•Large (Elephant) field developments are more likely to see specialized trees
•The all electrical tree is not dead
•Watch MMS notices and regulations (Casing annulus monitoring, etc.)
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Parting Thought
No Subsea Trees were damaged during Hurricane
IVAN