1
Alexander Angus Grant, Per Almdahl, Per Eivind Gramme, Sven Arne Kjolberg, Bjarne Olsen, Terje Sondtvedt: Downhole gas/water separation and re-injection. Weir Pumps, Norsk Hydro ASA, Gifford Krass Groh Sprinkle Anderson & Citkowski P C, February 17, 2004: US06691781 (78 worldwide citation)

It is common in oil extraction operations to reinject produced gas and\or water back into hydrocarbon bearing formations in order to maintain formation pressure. Conventional production facilities normally flow all formation fluids to the surface and subsequently reinject the required fluids ba ...


2
Alexander Angus Grant, Per Almdahl, Per Eivind Gramme, Sven Arne Kjolberg, Bjarne Olsen, Terje Sondtvedt: Downhole gas/water separation and re-injection. Gifford Krass Groh Sprinkle Anderson & Citkowski PC, May 23, 2002: US20020059866-A1

It is common in oil extraction operations to reinject produced gas and\or water back into hydrocarbon bearing formations in order to maintain formation pressure. Conventional production facilities normally flow all formation fluids to the surface and subsequently reinject the required fluids back in ...



Click the thumbnails below to visualize the patent trend.