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part of Aker
Installation of an FPSO and subseaInstallation of an FPSO and subsea hardware in the Mediterranean Sea using non-specialised vesselsnon specialised vesselsUTC - BERGEN June 2008June 2008
Ivar Tveitnes
© 2008 Aker Solutions
Aker Marine Contractors - What we do
SURF OperationsMooring & Floaters
Floatovers Removal
© 2008 Aker Marine Contractors part of AkerDate Slide 2
Work Areas - Assets
BOA DEEP C
BOA SUB C
TURNTABLE
© 2008 Aker Marine Contractors part of AkerDate Slide 3Date Slide 3
AGENDA■ Oudna Installation Preface■ Vessels■ Vessels■ Installation of Mooring System
I t ll ti f Fl ibl Ri /Fl li d■ Installation of Flexible Risers/Flowlines and UmbilicalsHook up to FPSO■ Hook-up to FPSO
■ Conclusion
© 2008 Aker Marine Contractors part of AkerDate Slide 4
OUDNA INSTALLATION - PREFACE
■ Tunisian water outside North Africa■ No offshore bases and limited support infra-structurepp■ Specialized installation vessels?
● Large mobilization costLi it d il bilit● Limited availability
■ Requirements● Anchor handling (large anchors, heavy chain and fibre ropes)● Anchor handling (large anchors, heavy chain and fibre ropes)● Chafe chain and heavy riser guides● Flexible risers/flowlines and umbilicals
© 2008 Aker Marine Contractors part of AkerDate Slide 5
Oudna location
IKDAM FPSOIKDAM FPSO
Chafe chain with riser guidesNODE
400 m 239mm polyester rope
800 m 135mm 6.6d chain
Stevpris mk5 29 t
6” Prod; 950m6 Prod; 950m
4” Power Fluid 1539m
95mm Umb; 950 m
4” W I ; 1038 m
78mm Umb; 1550 m
Water Injection Well
© 2008 Aker Marine Contractors part of AkerDate Slide 6Date Slide 6
Production Wellj
INSTALLATION VESSEL
MAERSK ’A’ CLASS VESSEL
”Maersk Attender”
Main dimensions = 90.3 x 20.3 m
Free deck = 41.6 x 19.5 m
Winches = 625t(AH)/2 x 400t(tow)
Bollard Pull = 257t (23480 hp)
DP2
70 beds
© 2008 Aker Marine Contractors part of AkerDate Slide 7
ASSISTING VESSEL
ANCHOR HANDLING VESSEL
”Odin Viking”
(Viking Supply Ships AS)
Main dimensions = 73.9 x 16.9 m
Winches = 400t (AH)
Bollard Pull = 180t
DP2
26 beds
© 2008 Aker Marine Contractors part of AkerDate Slide 8
DECK LAYOUT
FOR MOORING INSTALLATIONA-FRAME AND 2 X WROV IN ALL PHASESPHASES
CHAIN IN LOCKERS
© 2008 Aker Marine Contractors part of AkerDate Slide 9
INSTALLATION OF MOORING SYSTEM
© 2008 Aker Marine Contractors part of AkerDate Slide 10
INSTALLATION OF ”CHAFE CHAIN”
Chafe Chain installation frame, 320Te design loaddesign load
10 off Guide Frames
© 2008 Aker Marine Contractors part of AkerDate Slide 11
MOBILISATION FOR FLEXIBLES INSTALLATION
4” PF & 6” Prod (on 26’ reel)
Deck quadrant
Prod & WI umb
4” WI (on 26’ reel)
Hub drive on rails
2xTensioner’sChute
Working platform
Buoyancy elements
© 2008 Aker Marine Contractors part of AkerDate Slide 12Date Slide 12
MOBILISATION FOR FLEXIBLES INSTALLATION
Stern chute installation”Dance floor” assembly around deck quadrant
Setting up Aquatic tensioners and hub-drive systems
R d th l k bili ti iSeafastening of reels Umbilical reel drive
Round the clock mobilisation in Freeport, Valletta, Malta
© 2008 Aker Marine Contractors part of AkerDate Slide 13Date Slide 13
INSTALLATION OF FLEXIBLE RISERS/FLOWLINESCleaning of well-head hub
1. Preparations
L di f V ti lDeployment of Vertical Connection tool
2 D l t f 1 t d
Landing of Vertical Connection tool
2. Deployment of 1st end (subsea end) and tie-in to x-mas tree
© 2008 Aker Marine Contractors part of AkerDate Slide 14
INSTALLATION OF FLEXIBLE RISERS/FLOWLINES
Buoyancy section, including temporary buoyancy
3. Buoyancy section
Installation of Buoyancy elements
buoyancy
4” PF Installation 4” PF around deck-quadrant
4. Paying out productp
© 2008 Aker Marine Contractors part of AkerDate Slide 15
INSTALLATION OF FLEXIBLE RISERS/FLOWLINES
5. Overboarding of topside end
Press retestPressuretest ongoing before overboarding
6. Transfer to- and hang-off i Ch f Ch i h ld bin Chafe Chain held by Assisting vessel
© 2008 Aker Marine Contractors part of AkerDate Slide 16
INSTALLATION OF UMBILICALS
• Reverse lay direction as opposed to riser/flowlines
• Light weight in water required chain weights to temporarily weigh down during installation of buoyancy sectioninstallation of buoyancy section
• Umbilical tie-in done by Flying Lead. WROV – Male-MQC plate connected to F l MQC tFemale-MQC on x-mas tree
© 2008 Aker Marine Contractors part of AkerDate Slide 17
HOOK-UP OF MOORING AND FLEXIBLES TO FPSO
1. Chafe Chain transferred from Assisting Vessel to FPSO ’Ikdam’
2. Flexibles transferred one by one from Assisting Vessel to FPSO ’Ikdam’
All Risers through Guide Frames
All Risers through Guide Frame 10
3 Testing / comissioning of3. Testing / comissioning of flexible flowlines / risers and umbilicals
© 2008 Aker Marine Contractors part of AkerDate Slide 18Date Slide 18
CONCLUSION
■ Complex marine operations may be performed using standard large AHTS based on innovative engineering and planninglarge AHTS, based on innovative engineering and planning
■ Effective use of available vessels – Installation of Mooring system and Flexibles using same vessel
■ Solution oriented and dedicated project team consisting of own personnel and subcontractors
f■ The project planning and execution of the operations involved several challenges…
■ But; ”WE DID IT!”■ …But; WE DID IT!
© 2008 Aker Marine Contractors part of AkerDate Slide 19
Copyright
Copyright of all published material including photographs, drawings and images in this document remains vested in Aker Solutions and third party contributors as appropriate. Accordingly, neither the whole nor any part of this document shall be reproduced in any form nor used in any manner without express prior permission and applicable acknowledgements No trademark copyright or other notice shall be altered orpermission and applicable acknowledgements. No trademark, copyright or other notice shall be altered or removed from any reproduction.
© 2008 Aker Marine Contractors part of AkerDate Slide 20
Disclaimer
This Presentation includes and is based, inter alia, on forward-looking information and statements that are subject to risks and uncertainties that could cause actual results to differ. These statements and this Presentation are based on current expectations, estimates and projections about global economic conditions, the economic conditions of the regions and industries that are major markets for Aker Solutions ASA and Akerthe economic conditions of the regions and industries that are major markets for Aker Solutions ASA and Aker Solutions ASA’s (including subsidiaries and affiliates) lines of business. These expectations, estimates and projections are generally identifiable by statements containing words such as “expects”, “believes”, “estimates” or similar expressions. Important factors that could cause actual results to differ materially from those expectations include, among others, economic and market conditions in the geographic areas and industries p , g , g g pthat are or will be major markets for Aker Solutions’ businesses, oil prices, market acceptance of new products and services, changes in governmental regulations, interest rates, fluctuations in currency exchange rates and such other factors as may be discussed from time to time in the Presentation. Although Aker Solutions ASA believes that its expectations and the Presentation are based upon reasonable assumptions, it can give no
th t th t ti ill b hi d th t th t l lt ill b t t i thassurance that those expectations will be achieved or that the actual results will be as set out in the Presentation. Aker Solutions ASA is making no representation or warranty, expressed or implied, as to the accuracy, reliability or completeness of the Presentation, and neither Aker Solutions ASA nor any of its directors, officers or employees will have any liability to you or any other persons resulting from your use.Ak S l ti i t f l ll i d d t titi tit ti th i t id titi AkAker Solutions consists of many legally independent entities, constituting their own separate identities. Aker Solutions is used as the common brand or trade mark for most of these entities. In this presentation we may sometimes use “Aker Solutions”, “we” or “us” when we refer to Aker Solutions companies in general or where no useful purpose is served by identifying any particular Aker Solutions company.
© 2008 Aker Marine Contractors part of AkerDate Slide 21
Thank you for your attention!Thank you for your attention!
Questions?
© 2008 Aker Marine Contractors part of AkerDate Slide 22
THANK YOU – QUESTIONS?Thank you for your attention!