Engineering Engineering Procurement Procurement ConstructionConstructionInstallationInstallation

& Commissioning& CommissioningPresented byPresented byMr. Therasap RattanapatMr. Therasap Rattanapat

OVERVIEW OF OFFSHORE PLATFORM

World Primary Energy DemandWorld Primary Energy Demand

Concession in ThailandConcession in Thailand-Bongkot Field Development (PTTEP)

-Arthit Field Development (PTTEP)

-Erawan Group

-Nang Nuan

-Tantawan

-etc

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

PTT EXPLORATION AND PRODUCTIONPTT EXPLORATION AND PRODUCTION

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

Drilling RigDrilling RigJackJack--UpUp

Tender RigTender Rig

Offshore Platform in ThailandOffshore Platform in ThailandFixed Platform, Jacket TypeFixed Platform, Jacket Type

More economicalMore economicalRich gas reserveRich gas reserve-- less less storage requirementstorage requirementExpected long field life Expected long field life –– easy easy expansionexpansionSuitable for shallow waterSuitable for shallow water

(The water Depth In Gulf of (The water Depth In Gulf of Thailand is 80m Approx.)Thailand is 80m Approx.)

Field Development OrganizationField Development Organization

Field Development

ExplorationDrilling

Project Development Operation

Financing and Accounting

Legal andContracting

HSE Schedule andPlanning

Major Modification

ConceptualDesign

Detailed Design Procurement Fabrication

Abandonment

Load-out,Transportation,

Installation

Hook-up &Commissioning

E : EngineeringE : EngineeringEngineering DesignEngineering Design

Feasibility StudyFeasibility StudyConceptual DesignConceptual DesignFEED ( Front End Engineering Design)FEED ( Front End Engineering Design)Detail EngineeringDetail EngineeringHAZOPHAZOP ENGINEERING

Process Structure Piping InstrumentMechanical Electrical

Field Development PlanField Development Plan

Central Processing Complex Central Processing Complex CPPCPPQP, bridge connected to the CPPQP, bridge connected to the CPPWP, bridge connected to the CPPWP, bridge connected to the CPPFP/T, bridge connected to the CPPFP/T, bridge connected to the CPP

Five remote WellheadsFive remote WellheadsGas gathering pipelines connecting the remote wellhead Gas gathering pipelines connecting the remote wellhead platformplatformA 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

WP6

WP2

WP3

WP5

WP1

CPPQP

WP4

42”G

AS EX

PORT LIN

E TO EA

KW

IN RISER

6”CO

NDEN

SATE

LIN

E

14”LINE

16”LINE

18”LINE 18” LINE

14” LINE 18” LINE

FieldDevelopment

FP

FSO

Living Quarter Platform (LP)

Processing Platform (PP)

Low-Pressure Flare (LP)

High-Pressure Flare (HP)

Riser Platform (RP)

Wellhead Platform

(WP)

Design conditionDesign condition

ReservoirsReservoirsCharacteristic of waveCharacteristic of waveDirection of windDirection of wind100 years storm100 years storm30 years design life.30 years design life.80 meters water depth80 meters water depthNo seismic.No seismic.

CPP Facilities DesignCPP Facilities Design

Overall Processing facilitiesOverall Processing facilities

Receiving facilities Receiving facilities Mercury removal facilitiesMercury removal facilitiesGas processing facilities Gas processing facilities Condensate processing Condensate processing facilities facilities Produced water treatment Produced water treatment and pumping facilitiesand pumping facilities

CPP Facilities DesignCPP Facilities DesignTopsides LayoutTopsides Layout

All high pressure gas handling equipment should be located on eiAll high pressure gas handling equipment should be located on either ther the 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 the f the platformplatformAll major rotating equipment including gas turbine driven ProcesAll major rotating equipment including gas turbine driven Process s Compressors and Main Power Generation Units shall be located on Compressors and Main Power Generation Units shall be located on the the top decktop deckTwo cranes shall be used, one probably located on the west side Two cranes shall be used, one probably located on the west side of the of 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 the east side) of the platformplatformBoat landing facilities are not required on the CPP, only on theBoat landing facilities are not required on the CPP, only on the LQ and LQ and the DWPthe DWP--1. However bumper bars are required to facilitate supply boat 1. However bumper bars are required to facilitate supply boat access for diesel fill access for diesel fill UseUse ofof a a singlesingle--levellevel bridgebridge accessaccess betweenbetween LQLQ andand CPPCPP shallshall bebeusedused.. TheThe bridgebridge willwill connectconnect thethe mainmain deckdeck levellevel ofof thethe CPPCPP andand thetheLQLQ..

CPP Facilities DesignCPP Facilities Design

Structure DesignStructure Design

Fixed platform 8 legsFixed platform 8 legs8484”” diameters pilesdiameters pilesSkirt pile (if 8 legs are inadequate)Skirt pile (if 8 legs are inadequate)Topside Topside -- FloatFloat--over installationover installationJacket Jacket --Launching and crane Launching and crane –– assisted upendingassisted upending20 years of sacrificial anodes20 years of sacrificial anodes

CPP Facilities DesignCPP Facilities Design

Glycol

ContactorWellheadPlatform

WellheadPlatform

WellheadPlatform

Separator

CondensateStabilization

FSO

Compression

GasMetering

Pipeline

WaterTreatment

QP Facilities DesignQP Facilities DesignDiamondDiamond LivingLiving QuartersQuarters BuildingBuilding

Designed for modular construction with Designed for modular construction with maximaummaximaum capacity capacity of 150 personnelof 150 personnel

A A HelideckHelideck to land a Sikorsky Sto land a Sikorsky S--61, S61, S--76 or a 76 or a EurocopterEurocopterEC155 helicopterEC155 helicopter

Dining/mess facilities designed to accommodate 90 Dining/mess facilities designed to accommodate 90 personnel at one servingpersonnel at one serving

A medical centreA medical centre

A A gymnasiumgymnasium andand outdooroutdoor recreationrecreation facilitiesfacilities ((atat roofroof levelleveljustjust belowbelow thethe HelideckHelideck).).

A A TVTV//cinemacinema//trainingtraining roomroom providedprovided toto accommodateaccommodate 8080personnelpersonnel

QP Facilities DesignQP Facilities DesignTopsideLayout

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 a cantilever 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 tothe LQ.

QP Facilities DesignQP Facilities Design

Structure DesignStructure Design

Fixed platform 4 legsFixed platform 4 legsThroughThrough--leg piles and grouted leg piles and grouted annuliannuliSideSide--lifting and crane lifting and crane ––assisted upendingassisted upending20 years of sacrificial anodes20 years of sacrificial anodes

FP/T DesignFP/T DesignA 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, LP provided. 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 set Preliminary flare and dispersion studies have initially set the bridge length to be 120 m and tower height to be 25 m the bridge length to be 120 m and tower height to be 25 m above 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

WP DesignWP DesignThe function of the wellhead is to The 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 be hydraulically 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 used in 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 crane Sided lifting and crane ––

assisted upendingassisted upending–– 20 years of sacrificial anodes20 years of sacrificial anodes

3D Design3D Design

Approx Tonnage of PlatformApprox Tonnage of Platform

1000100012001200

Wellhead ( 6 WH)Wellhead ( 6 WH)JacketJacketTopsideTopside

100100Bridge (2 bridges)Bridge (2 bridges)

500500500500

FP/TFP/TJacketJacketTopsideTopside

80080015001500

QPQPJacket Jacket TopsideTopside

600060001500015000

CPPCPPJacketJacketTopsideTopside

Approx. weightApprox. weight(Tons / Each)(Tons / Each)

FacilitiesFacilities