104832914 01 Overview of Offshore Platform
Transcript of 104832914 01 Overview of Offshore Platform
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EngineeringEngineeringProcurementProcurement
ConstructionConstructionInstallationInstallation
& Commissioning& CommissioningPresented byPresented by
Mr. Therasap RattanapatMr. Therasap Rattanapat
OVERVIEW OF OFFSHORE
PLATFORM
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World Primary Energy DemandWorld Primary Energy Demand
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Joint Development Area (JDA)Joint Development Area (JDA) – – Thailand / MalaysiaThailand / Malaysia
-Carigali - Triton Company Sdn.Bhd (CTOC)
-Carigali – PTTEPI Operating Company Sdn.Bhd (CPOC)
-etc
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PTT EXPLORATION AND PRODUCTIONPTT EXPLORATION AND PRODUCTION
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Type of Offshore StructureType of Offshore Structure
-Fixed Platform Gravity Base Platform, Jacket Type Platform
-Compliant Tower Compliant Piled Tower, Guyed Tower
-Tension Leg Platform
-Floating Platform Semi-Submersible, Extendable Draft Platform, FSO, FPSO
-Spar
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Drilling RigDrilling Rig
JackJack--UpUp
Tender RigTender Rig
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Offshore Platform in ThailandOffshore Platform in Thailand
Fixed Platform, Jacket TypeFixed Platform, Jacket Type
More economicalMore economical
Rich gas reserveRich gas reserve-- lessless
storage requirementstorage requirement
Expected long field lifeExpected long field life – – easyeasy
expansionexpansion
Suitable for shallow water Suitable for shallow water
(The water Depth In Gulf of(The water Depth In Gulf of
Thailand is 80m Approx.)Thailand is 80m Approx.)
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Field Development OrganizationField Development Organization
Field
Development
Exploration
Drilling
Project
Development Operation
Financing and
Accounting
Legal and
Contracting
HSESchedule and
Planning
Major
Modification
Conceptual
Design
Detailed
Design Procurement Fabrication
Abandonment
Load-out,
Transportation,Installation
Hook-up &
Commissioning
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E : EngineeringE : EngineeringEngineering DesignEngineering Design
Feasibility StudyFeasibility Study Conceptual DesignConceptual Design
FEED ( Front End Engineering Design)FEED ( Front End Engineering Design)
Detail EngineeringDetail Engineering
HAZOPHAZOP ENGINEERING
Process Structure Piping InstrumentMechanical Electrical
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Field Development PlanField Development Plan
Central Processing ComplexCentral Processing Complex CPPCPP
QP, bridge connected to the CPPQP, bridge connected to the CPP
WP, bridge connected to the CPPWP, bridge connected to the CPP
FP/T, bridge connected to the CPPFP/T, bridge connected to the CPP
Five remote WellheadsFive remote Wellheads
Gas gathering pipelines connecting the remote wellheadGas gathering pipelines connecting the remote wellheadplatformplatform
A gas pipeline to export the gas A gas pipeline to export the gas
A condensate line to export to Silver FSO A condensate line to export to Silver FSO
Facilities for the first stage of the development
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WP6
WP2
WP3
WP5
WP1
CPP
QP
WP4
4 2 ” G A S
E X P O R T L I N E T O E A K W I N R I S E R
6 ” C O N D
E N S A T E
L I N E
1 4 ” L
I N E
1 6 ” L
I N E
1 8 ” L I N
E 1 8 ”
L I N E
1 4 ” L I N E
1 8 ” L I N E
FieldDevelopment
FP
FSO
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Living QuarterPlatform (LP)
Processing Platform(PP)
Low-Pressure Flare (LP)
High-Pressure Flare (HP)
Riser Platform(RP)
Wellhead Platform
(WP)
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Design conditionDesign condition
ReservoirsReservoirs Characteristic of waveCharacteristic of wave
Direction of windDirection of wind
100 years storm100 years storm 30 years design life.30 years design life.
80 meters water depth80 meters water depth
No seismic.No seismic.
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CPP Facilities DesignCPP Facilities DesignOverall Processing facil it iesOverall Processing facil it ies
Receiving facilitiesReceiving facilities
Mercury removal facilitiesMercury removal facilities
Gas processing facilitiesGas processing facilities
Condensate processingCondensate processing
facilitiesfacilities
Produced water treatmentProduced water treatment
and pumping facilitiesand pumping facilities
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CPP Facilities DesignCPP Facilities DesignTopsides LayoutTopsides Layout
All high pressure gas handling equipment should be located on ei All high pressure gas handling equipment should be located on eithertherthe top or main deck and preferably be located at the west end othe top or main deck and preferably be located at the west end of thef theplatformplatform
All major rotating equipment including gas turbine driven Proces All major rotating equipment including gas turbine driven ProcesssCompressors and Main Power Generation Units shall be located onCompressors and Main Power Generation Units shall be located on thethe
top decktop deck Two cranes shall be used, one probably located on the west sideTwo cranes shall be used, one probably located on the west side of theof the
platform and the other crane on the opposite side (platform and the other crane on the opposite side (i.ei.e east side) of theeast side) of theplatformplatform
Boat landing facilities are not required on the CPP, only on theBoat landing facilities are not required on the CPP, only on the LQ andLQ and
the DWPthe DWP--1. However bumper bars are required to facilitate supply boat1. However bumper bars are required to facilitate supply boataccess for diesel fillaccess for diesel fill
UseUse of of aa singlesingle--levellevel bridgebridge accessaccess betweenbetween LQLQ andand CPPCPP shallshall bebeusedused.. TheThe bridgebridge willwill connectconnect thethe mainmain deckdeck levellevel of of thethe CPPCPP andand thetheLQLQ..
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CPP Facilities DesignCPP Facilities DesignStructure DesignStructure Design
Fixed platform 8 legsFixed platform 8 legs
8484
””
diameters pilesdiameters piles
Skirt pile (if 8 legs are inadequate)Skirt pile (if 8 legs are inadequate)
TopsideTopside -- FloatFloat--over installationover installation
JacketJacket --Launching and craneLaunching and crane – – assisted upendingassisted upending 20 years of sacrificial anodes20 years of sacrificial anodes
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CPP Facilities DesignCPP Facilities Design
Glycol
ContactorWellhead
Platform
Wellhead
Platform
Wellhead
Platform
Separator
Condensate
Stabilization
FSO
Compression
GasMetering
Pipeline
WaterTreatment
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QP Facilities DesignQP Facilities DesignDiamondDiamond LivingLiving QuartersQuarters BuildingBuilding
Designed for modular construction withDesigned for modular construction with maximaummaximaum capacitycapacity
of 150 personnelof 150 personnel
A A HelideckHelideck to land a Sikorsky Sto land a Sikorsky S--61, S61, S--76 or a76 or a Eurocopter Eurocopter EC155 helicopter EC155 helicopter
Dining/mess facilities designed to accommodate 90Dining/mess facilities designed to accommodate 90personnel at one servingpersonnel at one serving
A medical centre A medical centre
A A gymnasiumgymnasium andand outdoor outdoor recreationrecreation facilitiesfacilities ((atat roof roof levellevel just just belowbelow thethe HelideckHelideck).).
A A TVTV//cinemacinema//trainingtraining roomroom providedprovided toto accommodateaccommodate 8080
personnelpersonnel
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QP Facilities DesignQP Facilities Design
TopsideLayout
Three deck levels are envisaged which include a Maindeck, a Mezzanine deck, and a Lower deck.
The LQB shall be installed on the Main deck.
The Central Control Room building will be installed on acantilever on the QP.
All other facilities shall be located either on the Mezzaninedeck, Lower deck or in spaces available on the Main Deck.
A single level bridge shall be used to connect the CPP to
the LQ.
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QP Facilities DesignQP Facilities DesignStructure DesignStructure Design
Fixed platform 4 legsFixed platform 4 legs
ThroughThrough--leg piles and groutedleg piles and grouted
annuliannuli SideSide--lifting and cranelifting and crane – –
assisted upendingassisted upending
20 years of sacrificial anodes20 years of sacrificial anodes
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FP/T DesignFP/T Design A flare tower, bridge connected to the CPP shall be A flare tower, bridge connected to the CPP shall be
provided. The tower will support the flare tips of the HP, LPprovided. The tower will support the flare tips of the HP, LP
and Acid Gas flare systems.and Acid Gas flare systems. Preliminary flare and dispersion studies have initially setPreliminary flare and dispersion studies have initially set
the bridge length to be 120 m and tower height to be 25 mthe bridge length to be 120 m and tower height to be 25 mabove the flare platform deck.above the flare platform deck.
Structure DesignStructure Design
– – A 3 legged tripod structure A 3 legged tripod structure
– – UngroutedUngrouted leg pilesleg piles – – 15 years of sacrificial anodes15 years of sacrificial anodes
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WP DesignWP Design The function of the wellhead is toThe function of the wellhead is to
maintain surface control of the well.maintain surface control of the well.
All actuated wellhead valves will be All actuated wellhead valves will behydraulically operated.hydraulically operated.
Wells will be drilled by tender rig.Wells will be drilled by tender rig.
All of Christmas trees that be used All of Christmas trees that be usedin the project are dry type.in the project are dry type.
Structure DesignStructure Design
– – 4 legs with though leg piles4 legs with though leg piles
– – Sided lifting and craneSided lifting and crane – – assisted upendingassisted upending
– – 20 years of sacrificial anodes20 years of sacrificial anodes
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3D Design3D Design
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Approx Tonnage of Platform Approx Tonnage of Platform
10001000
12001200
Wellhead ( 6 WH)Wellhead ( 6 WH)
JacketJacket
TopsideTopside
100100Bridge (2 bridges)Bridge (2 bridges)
500500
500500
FP/TFP/T
JacketJacket
TopsideTopside
800800
15001500
QPQP
JacketJacket
TopsideTopside
600060001500015000
CPPCPP
JacketJacketTopsideTopside
Approx. weight Approx. weight
(Tons / Each)(Tons / Each)
FacilitiesFacilities