aker solutions - subsea processing solutions to increase recovery
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© 2013 Aker Solutions Confidential Preferred partner
Preferred partner
Subsea processing solutions to increaserecovery for oil and gas fieldsAberdeen, 3rd September 2013
Marco Gabelloni | Senior engineer
© 2013 Aker Solutions Confidential Preferred partner
Subsea compression and processing systems
■ Solution for brown fields… increased recovery and debottleneckingtopside
■ Enabler for green fields… accelerated production and access tostranded reserves
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Subsea gas compression applicationsand technologies
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Subsea gas compression system application
■ Increased recovery equivalent to discovering a new large field…280 MMboe additional production
■ Subsea facilities minimising impact on topside layout
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Time
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From field development concept to complete systemdesign…
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From field development concept to complete systemdesign…
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…Qualification – Ormen Lange Pilot experience
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…and Project Execution – Åsgard experience
Project details
■ Shut in pressure: 220 bar
■ High power: 2 x 11.5 MW
■ Flow rate: 21 MSm3/d
■ Step-out: 40 km
■ Water depth: 250 m
Project schedule
■ 2006 - 2010: studies,pre-FEED, FEED
■ 2010: EPC contract
■ 2013: equipment testing
■ 2015: delivery and start-up
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New compression technologies development
■ New technologies extending coverage... increased step-out distanceand water depth
■ Further optimisation of subsea gas compression systems throughcompact and simplified solutions
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Subsea processing applications andtechnologies
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Subsea processing system application
Mature oil field applications
■ Additional production bysubsea debottleneckingtopside facilities
■ Higher flow rate due toreduced wellhead pressure
■ Increased recovery thanksto water injection
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Qualified subsea gravity separation technology
■ Subsea separation based ongravity technology
■ Gas and oil can be routed inseparate pipelines orcomingled together
■ Produced water can bereinjected from seafloor
■ Solids can be routed with theoil or oil/gas mixture
FlexSep™ 3-phase separator… configurable system designed to meetspecific well stream compositions and process requirements
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Subsea separation system developments
■ Developing a complete portfolio ofbuilding blocks for subseaseparation system■ Oil treatment■ Water treatment■ De-sanding
■ Major R&D activities to extendapplicability■ Deep water installations■ Complex reservoirs■ High shut-in pressure■ Strict environmental requirements■ Arctic applications
■ Compact modular system forcomplete life of field
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Summary
■ New technology ensures extendedrange of applications… solutionssuitable for smaller fields as wellas large
■ Attractive business cases forsubsea gas compression andprocessing applied to oil and gasfields
■ Proven system design,qualification and project executioncapabilities
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Copyright and disclaimer
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