Study shows downhole water separation languishes

The industry still has installed only a few downhole oil-water and gas-water separators, and the technology has languished compared with activity and expectations made during the late 1990s, according to a recent study from Argonne National Laboratory.Downhole oil-water separators (DOWS) and downhole gas-water separators (DGWS) eliminate the need and associated costs of bringing all produced water to surface and instead allow for direct downhole water disposal.John A. Veil and John J. Quinn prepared the November 2004 study "Downhole Separation Technology Performance: Relationship to Geologic Conditions" for the US Department of Energy's National Energy Technology Laboratory under Cont...

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