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
Terje SĂžntvedt, Per Eivind Gramme, Hielke Kamps, Per Magne Almdahl: Method and device for the separation of a fluid in a well. Norsk Hydro ASA, Wenderoth Lind & Ponack L, August 21, 2001: US06277286 (34 worldwide citation)

A method and device for separating a fluid from a formation into several fluid components in a well is disclosed. The method and device include feeding the fluid into a mainly horizontal section of pipe located in a down-hole, mainly horizontal section of the well, such that the fluid is set to flow ...


3
Svein Ivar Sagatun, Per Eivind Gramme: Device for separating multi-phase fluids. Norsk Hydro ASA, Wenderoth Lind & Ponack L, October 9, 2007: US07278543 (15 worldwide citation)

A device in connection with a separator for separation of a multiphase fluid, including a preferably cylindrical container (1) with an inlet (2), a first outlet (3) for liquid with a higher gravity (for example water), a second outlet (4) for liquid with a lower gravity (for example oil) and a third ...


4
Per Eivind Gramme, Ivar Haukom: Pipe separator for the separation of fluids, particularly oil, gas and water. Norsk Hydro ASA, Wenderoth Lind & Ponack, April 14, 2009: US07516794 (14 worldwide citation)

A pipe separator for the separation of fluids, for example the separation of oil, gas and water in connection with the extraction and production of oil and gas from formations beneath the sea bed. The pipe separator includes a pipe-shaped separator body (1) with an inlet and outlet that principally ...


5
Per Eivind Gramme, Gunnar Hannibal Lie: Pipe separator inlet. Norsk Hydro ASA, Wenderoth Lind & Ponack L, March 8, 2011: US07901492 (2 worldwide citation)

A device in connection with a pipe separator. The pipe separator comprising an extended tubular body (1) with a diameter that is principally the same as or slightly larger than the diameter of the inlet pipe (3) of the pipe separator. A gas manifold (2) is arranged in connection with the inlet pipe. ...


6
Per Eivind Gramme, Gunnar Hannibal Lie: Arrangement related to a separator for the cleaning of such separator. Norsk Hydro ASA, Wenderoth Lind & Ponack L, November 17, 2009: US07617940 (2 worldwide citation)

A device in connection with a separator for cleaning or reaming such a separator. The separator includes a tank or a body (2) with an inlet and at least one outlet (5, 6). A transport pipeline (3) is connected to the inlet for the supply of fluid that is to be separated in the separator. The transpo ...


7
Per Eivind Gramme, Gunnar Hannibal Lie: Method and equipment for the reduction of multiple dispersions. Norsk Hydro ASA, Wenderoth Lind & Ponack L, June 8, 2010: US07730942 (1 worldwide citation)

A method and equipment for reducing or avoiding multiple dispersions in fluid flows each having two or more non-mixable fluid components with different specific gravities and viscosities, in particular fluid flows of oil, gas and water from different oil/gas production wells (B1-B8) in formations be ...


8
Per Eivind Gramme, Gunnar Hannibal Lie: Arrangement for the cleaning of a pipe separator. Norsk Hydro ASA, Wenderoth Lind & Ponack L, September 28, 2010: US07803233

A device or arrangement for cleaning a pipe separator (1) in which the separator body (2) includes an extended, tubular body with an inlet (4) and an outlet (5) having essentially the same diameter as the separator body. At the outlet, there is a bend or a loop (3) designed to maintain a fluid level ...


9
Per Eivind Gramme: Installation for the separation of fluids. Wenderoth Lind & Ponack, January 13, 2005: US20050006086-A1

An installation arranged on the sea bed for the separation of fluids, comprising at least one separator (1) that is connected to one or more wells, each via an associated well head (2) or similar, and a pipeline (17). The components separated, oil, gas, water or combinations of these substances, are ...


10
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.