Recent deepwater projects are considering Subsea Gas-Liquid Separation as potential technology to unlock oil reserves. Enirne&p is currently working on R&D and development studies to evaluate the benefit of this technology for a number ofrnrepresentative assets in its deepwater portfolio.rnThe paper presents several findings of this original analysis. Case studies are representative of a wide range of potentialrnapplications: from secondary tiebacks in standard deepwater depth to 1500 m water depth oil development applications andrnheavy/difficult oil cases to condensate/gas fields applications.rnThe results are presented with the comparisons between standard deepwater architectures and configurations based on SubsearnGas-Liquid separation in terms of flowassurance strategy, field layout, capital costs and benefits for the operators in terms ofrnpotential additional recovery and production. Subsea Gas-Liquid separation may become an enabling technology forrndeepwater developments if oil industry is able to resolve and mitigate possible risks associated.
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