Statoil Light intervention boosts recovery
Posted: 03 November 2004
The two first light well interventions in this year’s campaign have been completed by Statoil as part of its efforts to improve recovery from Norwegian subsea fields.
These producers on Åsgard in the Norwegian Sea were recently logged from the Seawell vessel owned by WellOps in order to boost reservoir understanding by identifying their flow properties.
Light well intervention involves wireline-based workovers, with the line run directly through the sea to a well which remains under pressure. This eliminates the need for the risers required when such work is carried out from a drilling rig, while a ship can also be redeployed much more quickly than a semi-submersible. Statoil has achieved savings of roughly 50 per cent by replacing a rig with a vessel like Seawell.
Posted by Alexander Lindsay, Editor Pipeline Magazine
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