Speaker: Dr Jinzhu Xia, Head Consultant, Marine, Granherne, Australia Date: Tuesday, 6 March 2012 Hosted by: WA Oil & Gas Facilities Group a co-venture between Engineers Australia and the Society of Petroleum Engineers (SPE)

1. Design and Analysis of
Floating Production Systems
Jinzhu Xia
March, 2012

2. Primary Engineering Scope
• Concept Screening and Sizing Studies
• Naval Architecture
• Hydrodynamic and Global Performance Analysis
• Model Test Specification and Support
• Mooring System Design and Analysis
• Riser System Design and Analysis
• Structural Design and Analysis
• Marine System Design
• Transportation and Installation Analysis
• Project Execution Support
2

3. Australia’s Gas Network
3

4. The Deepwater Frontier
4

5. Offshore Platform Overview
5

6. Worldwide FPSOs
6

7. Worldwide Semisubs
7

8. Worldwide TLPs
8

9. Worldwide Spars
9

10. Platform Screening and Sizing
Using benchmarked processes developed in-house, Granherne
can efficiently size and compare platform options for specific
field developments
Semisubs Spars TLPs
FPSOs
• Hull Configuration • Hull Configuration
• Hull Configuration
• Hydrostatics & Static • Hydrostatics/Stability • Hull Configuration
Stability • Heave and Pitch Periods
• Hull Weight and VCG
• Tendon Configuration • Ballast/Storage Configuration
• Hull Weight and VCG • Fixed Ballast Estimate
• Tendon Strength • Hydrostatics & Stability
• Natural Periods • Natural Periods
• Offset and Air Gap • Hull Weight and VCG
• Motions Estimates • Mean Pitch Angle
• Ballast • Natural Periods and Motions
10

11. Naval Architecture
• Detailed Hull Configuration and Sizing
• Arrangements and Layouts
• Weight Control
• Wind and Current Load Calculations
• Compartmentalization
• Intact and Damaged Stability
• Certification & Classification
• Operability Analysis
• Marine Operating Manuals
Deck #9 Elev (+)16.8m
VOID
Deck #8 Elev. (+)6.0m
VOID
Deck #7 Elev. (-)6.0m
VOID Hard Tank Below WL
Deck #6 Elev. (-)22.8m
BALLAST
Deck #5 Elev. (-)39.6m
BALLAST
Deck #4 Elev. (-) 56.4m
SKIRT
TANK Mooring Elev. (-) 69.2m
Open Deck Elev. (-) 73.2m
Heave Plate Elev. (-) 121.8m
Heave Plate
Deck #3 Elev. (-)164m
Deck #2 Elev. (-)170.5m
Fixed Ballast Deck #1 Elev. (-)175.0m
22.2 m
Design of a Floating LNG Facility FPSO Hull Configuration 55.5 m
Spar Hull Configuration
11

12. Hydrodynamic and Global Performance Analysis
– Wave Diffraction and Hull Motion Analysis
– Coupled Hull, Mooring and Riser Analysis
– Multi-Body Interaction Analysis
– Air Gap Analysis
– Slamming and Green Water Analysis
– VIM Analysis
Air gap analysis
WAMIT analysis of various hull forms
12

13. Model Testing
– Wave Basin Testing
– Wind Tunnel Testing
– VIM Testing
13

14. Mooring Design and Analysis
• Mooring Design:
– Catenary/Taut/Semi-Taut Spread Mooring
– Turret Mooring
– Single Point Mooring Wire Rope Sockets Spiral Strand
– Quayside Mooring TW1
PW1
WIW WIE
FWIE2 PE1 PE2
PE3
Line 7
Line 8
Fairleads
Line 9
• Specialty Analysis FE1
FE2
– Vortex-Induced Motion Effects Line 6 FE3
FE4
Line 5
FE5
– Polyester Application Line 4 Yv
– Fatigue Analysis Xv
GasExp
– Chain Wear Predictions OilExp
FW1
Line 10
Line 11
• Specification of Mooring Components
Line 12
Studless Chain
Line 3
Line 2 Line 1
• Procurement & Installation Support BP Atlantis - Detail Design, Procurement and Installation
Evaluation of VIM effects on an Barracuda/Carintgua Detail Design Design of a soft yoke mooring system
existing Spar Mooring System ( Polyester Moorings) for Bohai Bay - China
14

15. Riser Design and Analysis
– Design of Single or Multiple Risers:
• Flexible Risers
• Steel Catenary Risers
• Top-Tension Risers
• SLOR (Tower) Risers
• CVARs
– Dynamic Analysis, Interference Studies
– 1st & 2nd Order Fatigue Analysis
– VIV Analysis
– Component Design and Specification
TTR and SCR CVAR Development
Solutions
Detailed Analysis of Flexible Productions Risers for the
Barracuda and Caratinga FPSOs
15

16. Structural Design and Analysis
– Design and Design Verification for:
• FPSO and FLNG Ships
• Semisubs
• Spars
• TLPs
– Global Strength and Fatigue Analysis
– Development of “Fatigue-Friendly” Details
Analysis of FPSO Hull Structure
– Advanced Finite Element Analysis
– Dynamic Response Analysis
– Specification Development
– Fabrication Support
FEA of Forged Mooring Link Design of a Riser Protection
Detailed Global Strength and Fatigue Analysis
Frame using Nonlinear Analysis
Ocean Victory Class Semisubmersible
16

17. Marine System Design
– Marine System Design for All Hulls
– P&ID and Layout Development
– Specification Development
– Procurement Support
– HVAC
– Instrumentation and Controls
Atlantis Semisubmersible
Marine & Utility System Design,
Design of FPSO Bilge and Ballast Systems Procurement Support and Site Support
17

18. Transportation and Installation Analysis
– Concept Development
– Detail Engineering
– On-site Installation Support
– Third Party Review
Post
Step #1 Step #2 Step #3 Step #4 Step #5 Upending
Thunderhorse Flowline Jumper Installation Analysis
Spar Upending Analysis
Benguela Belize Topsides Transportation Analysis
18

19. Project Execution Support
– Integrated Project Management
– Owner’s Engineering Representative
– Capabilities Include:
• Detail Engineering
• Procurement Support
• Regulatory Coordination
• Fabrication Yard Support
• Installation Support
Petrobras Barracuda/Carintga FPSOs
• Commissioning Support
• Final Documentation
BP ATLANTIS Semisubmersible Conoco Belanak FPSO
19

20. Software Tools
Naval Architecture / Hydrodynamics Structural Analysis
• Hydrostatics & Stability
– HydroD • SESAM
• ABAQUS
– AutoHydro
• SACS
• Hydrodynamics
– WADAM, WAMIT
– HydroStar
Riser Analysis
• Mooring
– MIMOSA • Orcaflex
• Riflex
– OrcaFlex
• Shear 7
– Ariane
50 −3
−2
• VIVA
−0.5
40 column area column area
0.5
3
4
30 −
6
5.5 5.5 −
2
• Global Performance 20
10 6.5
5.5
5
6
−
0
−
6.
−
2
1
−
• Flexcom 3D
0
−
• DeepRiser
4.5 6
– SIMO
3.5 1
3
−10
2
0.5
−20 3.5 0.5
1
0 −1 −0.5
−0.5−1.5 0
1
• ABAQUS
−5 4 −1
−30 1.5
1.5
1.5 1.5
1.5
22
22
– DeepC
2.5
2.5
2.52
2.5 5.5 5.5
−40 2.5
column area
333
3 column area 5
5
3.5
3.5
−50 6
−40 −20 0 20 40 60
– AQWA
20

21. Some KBR Milestones
Hutton TLP Hoover Spar
ConocoPhillips ExxonMobil
Thunder Horse Semi Agbami FPSO
BP Chevron
21