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How floaters are still enabling project developments Stefano Sartirana Co-Authors: M. Iori, C. Attanasio, M. Safsafi, P. Fiacchi MCEDD Conference, Milano, April 9-11th progetti
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Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Jul 09, 2020

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Page 1: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

How floaters are still enabling project developments

Stefano SartiranaCo-Authors: M. Iori, C. Attanasio, M. Safsafi, P. Fiacchi

MCEDD Conference, Milano, April 9-11th

progetti

Page 2: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

2014 2015 2016 2017

Introduction

Block 15/06 – West Hub (Angola)

Goliat (Norway) Jangkrik (Indonesia)

Block 15/06 – East Hub (Angola) OCTP (Ghana)

eniprogetti2

Page 3: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Angola – Block 15/06 – West Hub

Name N’Goma

Year Built - Size 1974 - VLCC

Year Conversion 2015

L [m] 366

B [m] 52

D [m] 26

Storage (bbls) 1,500,000

Oil Treatment Capacity (bopd) 110,000

Gas Production (MMSCFD) 115

Mooring Type External Turret

Water Depth [m] 1250

Number of Mooring Lines 9

Line Configuration Bottom Chain – Wire - Top Chain

Anchor System Suction Piles

Anchor Dimensions L = 18.4 m ; D = 4 m

eniprogetti

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Page 4: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Norway – PL229/229B Goliat FPSO

Name Goliat

Year Built - Size 2015

Year Conversion New Built

L [m] 107

B [m] 107

D [m] 44

Storage (bbls) 1,000,000

Oil Treatment Capacity (bopd) 100.000

Gas Production [MMSCFD] 138

Mooring Type Spread Mooring

Water Depth [m] 350

Number of Mooring Lines 14

Line Configuration Bottom Chain – PolyesterRope – Top Chain

Anchor System Suction Pile

Anchor Dimensions L = 15.5 m ; D = 7 m

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Page 5: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Angola – Block 15/06 – East Hub

Name Armada Olombendo FPSO

Year Built - Size 1999 – VLCC

Year Conversion 2016

L [m] 382

B [m] 58

D [m] 32

Storage (bbls) 1,700,000

Oil Treatment Capacity (bopd) 80,000

Gas Production (MMSCFD) 120

Mooring Type External Turret

Water Depth [m] 450

Number of Mooring Lines 9

Line Configuration Bottom Chain – Wire Rope –Top Chain

Anchor System Suction Piles

Anchor Dimensions L = 11.5 m ; D = 6.5 m

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Page 6: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Indonesia - Muara Bakau Block - Jangkrik

Name Jangkrik FPU

Year Built - Size 2015

Year Conversion Newbuilt

L [m] 200

B [m] 46

D [m] 15.3

Condensate Storage [m3] 7,000

Condensate TreatmentCapacity [SBPD]

4,100

Gas Production [MMSCFD] 650

Mooring Type Spread Mooring

Water Depth [m] 100

Number of Mooring Lines 12

Line Configuration Chain

Anchor System Driven Anchor Piles

Anchor Dimensions L = 43 m ; D = 2.1 m

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Page 7: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Ghana – OCTP Block

Name John Agyekum Kufuor FPSO

Year Built - Size 1989 - VLCC

Year Conversion 2017

L [m] 333 m

B [m] 58 m

D [m] 31 m

Storage (bbls) 1,750,00

Oil Treatment Capacity (bopd) 58,000

Gas Production (MMSCFD) 210

Mooring Type Spread Mooring

Water Depth [m] 1000

Number of Mooring Lines 12

Line Configuration Bottom Chain – PolyesterRope – Top Chain

Anchor System Suction Pile

Anchor Dimensions L = 20 m ; D = 6 m

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Page 8: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Legacy of Recent Project…

Name West Hub Goliat East Hub Jangkrik OCTP

Type Relocation New-built New conversion New-built New conversion

Ownership and operation SBM Offshore ENI Bumi Armada Berhad ENI Yinson Holdings Berhad

Time to Market

Local Content

Development Approach Phased approach Phased approach Phased approach

Topside Modules Type Independent Modules Integrated in Sevan hull concept type Independent Modules Biggest Integrated

Module (14300 t) Independent Modules

Mooring Turret Spread Turret Spread Spread

Gas Export System N/A Sealine to shore N/A Sealine to shore Sealine to shore

Environment Benign Harsh Benign Benign Benign

Water Depth [m] 1250 350 450 100 950

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Page 9: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Legacy of Recent Project…

Block 15/06 - West HubAngola

JangkrikIndonesia

Block 15/06 - East HubAngola

OCTPGhana

20102009 2011 2012 2013 2014 2015 2016 2017

exploration

reservoir studies

engineering design

procurement and operations

exploration

reservoir studies

engineering design

procurement and execution

FID

FIRST OIL

Eni phased / fast track project schedule

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Page 10: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Legacy of Recent Project…

There is not a unique floating solution for project development

Floaters offer great flexibility to exploit opportunities:• Applicable in a wide range of water depths (even where fixed platform are

still feasible)• Relocation / Marginal fields • Various contractual strategies (leased/owned)• Storage and Offloading Capabilities• Huge topside payload capacity• Decommissioning costs• Reduction of Onshore infrastructures• Topside facilities flexible configuration

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Page 11: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

…to Enable Future Opportunities

Floating LNG

Expanding the envelope:• FPSO in very shallow water (< 40 m)• Disconnectable for adverse weather

conditions• FPSO in ultra deep water (> 2000 m)• Higher oil processing capabilities (150000

bopd)

Other Floater solutions (R&D Phase) for gas valorization

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Page 12: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

Eni Fleet (Owned & Chartered Floaters) – In Production and Future

Owned

Chartered

Goliat, NorwayFPSO, SU March 2016

Liverpool Bay, UKFSO, in production

Abo, NigeriaFPSO, in production

NigeriaFPSO, (Future)

East Hub, AngolaFPSO, SU Feb 2017

OCTP, GhanaFPSO, SU May 2017

Aquila, ItalyFPSO, in production

CORAL, MozambiqueFLNG, (Future)

West Hub, AngolaFPSO, in production

MexicoFPSO, (Future)

JANGKRIK, IndonesiaFPU, SU May 2017

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Page 13: Verdana 30 pt - mcedd.com€¦ · Mooring Type. External Turret: Water Depth [m] 1250: Number of Mooring Lines. 9: Line Configuration. Bottom Chain – Wire - Top Chain: Anchor System.

eniprogetti13