Espirito Santo FPSO
-
Upload
hoangthien -
Category
Documents
-
view
236 -
download
2
Transcript of Espirito Santo FPSO
![Page 1: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/1.jpg)
Espirito Santo FPSOTurret & Installation Challenges
SNAME/MTS Joint Meeting Texas A&M University March 26, 2010
Chris Wibner
Upstream Major Projects
Shell International Exploration & Production, Inc.
![Page 2: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/2.jpg)
Contractor owned and operated FPSO (evolution of GFPSO project)
Shell is operator (50%) with partners Petrobras (35%) & ONGC (15%)
FPSO Contractor - BDFT (SBM & MISC JV)
Major subcontractors:
• Keppel Shipyard (hull conversion, turret fabrication, topsides integration)
• Dynamac (topsides fabrication)
• BT Engineering (topsides fabrication)
1780 m water depth at FPSO location
Internal turret with 21 riser/umbilical slots
First turret moored FPSO to accept Steel Lazy Wave Risers
Espirito Santo FPSO
![Page 3: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/3.jpg)
![Page 4: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/4.jpg)
100 kbopd oil processing capacity (low API)
50 mmscfpd gas compression
150 kbpd total liquids processing capacity
130 kbwpd produced water treating capacity
75 kbwpd water injection w/ sulfate reduction for Phase II
150 kbwpd additional water injection deck space
Topsides weight ~ 8,500 tons
Espirito Santo - Topsides Details
Unique challenges: Heavy oil processing (16 API), services for subsea artificial lift systems (i.e.15 MW available AL power, VFDs, Hot oil circulation with gas spike capability)
![Page 5: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/5.jpg)
Vessel As Arrived in Singapore (’06)
![Page 6: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/6.jpg)
• Lazy Wave Steel Risers & Umbilicals – Vertical load 2,200 tonnes
• Multiple Heavy lifts for integration into vessel
• Large swivel stack – 12 units ~ 150 tonnes
• High Voltage
• Centralized riser/umbilical pull-in winch
• Separate riser & umbilical decks
• Riser spool piece connection inside lower turret
Espirito Santo - Turret Challenges
![Page 7: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/7.jpg)
Turret Cross Section
![Page 8: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/8.jpg)
Umbilical deckCollar deck
SLWR
Typical flexible riser
Max SLMax SL
Lower Turret Layout Difference
Riser deck
![Page 9: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/9.jpg)
Construction Challenges
Built by decks and stacked
Inclined I-tubes, complex alignment and fit up
Umbilical I-tubes required a reverse bend to mitigate clashing
Complex lay-out of I-tubes, generates more engineering studies
Dimensional control
Site integration testing
![Page 10: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/10.jpg)
Integration Photos - Turret
Gantry Manifold
Bogie Support Structure
Lower TurretCollar Structure
![Page 11: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/11.jpg)
LOWER MOONPOOL INSTALLATION
![Page 12: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/12.jpg)
Upper Moonpool Integration
![Page 13: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/13.jpg)
Upper Moonpool Integrationafter 2nd DD
![Page 14: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/14.jpg)
BC-10 FPSO TURRET(LOWER TURRET)
![Page 15: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/15.jpg)
Lower Turret Integration
![Page 16: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/16.jpg)
BC-10 FPSO TURRET(Bogie Support Structure)
![Page 17: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/17.jpg)
BC-10 FPSO TURRET(UPPER TURRET)
![Page 18: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/18.jpg)
BC-10 FPSO TURRET(TURRET MANIFOLD)
![Page 19: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/19.jpg)
Riser / Umbilical Interface
Risers clamp castings (12)
Umbilical bellmouths (3)
Umbilical Future (6)
Mooring Connectors (9)
![Page 20: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/20.jpg)
154 tonnes
24 m Height
Unit 12 – Electro Optical
Unit 11 – Hot Oiling Service Swivel
Unit 10 – Utility LP & HP
Unit 9 – Gas Export / Injection
Units 7 & 8 – HV Electrical
Unit 6 – Water Injection
Unit 5 – Gas Production
Unit 4 – Firewater
Units 1,2,&3 – Oil Production
Swivel Stack
![Page 21: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/21.jpg)
Pull-in Winch
• New concept
• Design developed in house by SBM
• Winch platform provides 3 Motions
2 axis of rotations
1 sliding
![Page 22: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/22.jpg)
BC-10 FPSO Pull-in Winch
RiserWire
Chain Wire
![Page 23: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/23.jpg)
SLWR & Umbilical Pull-in
Installation team
ready for another
pull-in within 6 to 8
hours
![Page 24: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/24.jpg)
![Page 25: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/25.jpg)
Conclusions
Steel Risers are feasible from a turret moored FPSO
Interface between the turret & steel risers proved feasible
Winch platform design provided full satisfaction
Comprehensive dimensional control management is a necessity
Site integration testing is extremely important
Installation time comparable to flexible riser
![Page 26: Espirito Santo FPSO](https://reader034.fdocuments.us/reader034/viewer/2022042517/586982491a28ab3d018ba13c/html5/thumbnails/26.jpg)
QUESTIONS ?