1
Mark D Stevenson, Jerry L Brady: Oil and gas production with periodic gas injection. Atlantic Richfield Company, Drude Faulconer, March 21, 2000: US06039116 (30 worldwide citation)

A method and apparatus for operating a well which has a wellbore which passes into both an oil and gas production zone and a gas injection zone. An oil and gas stream is produced from the production zone through the wellbore to the surface where gas is separated from the oil. After production is shu ...


2
Mark D Stevenson, Jerry L Brady, John M Klein, James L Cawvey: Method and system for separating and injecting gas in a wellbore. Atlantic Richfield Company, F Lindsey Scott, March 14, 2000: US06035934 (29 worldwide citation)

A method and system for increasing oil production from an oil well producing a mixture of oil and gas through a wellbore penetrating an oil-bearing formation containing an oil-bearing zone and a selected injection zone, by driving a turbine in the oil well with the mixture of oil and gas; separating ...


3
Jerry L Brady, Mark D Stevenson, John M Klein, James L Cawvey, David D Hearn: Method and system for increasing oil production from an oil well producing a mixture of oil and gas. Atlantic Richfield Company, F Lindsey Scott, March 7, 2000: US06032737 (25 worldwide citation)

A method and system for increasing oil production from an oil well producing a mixture of oil and gas at an elevated pressure through a wellbore penetrating an oil-bearing formation containing an oil-bearing zone and an injection zone, by separating at least a portion of the gas from the mixture of ...


4
Mark D Stevenson: Method and apparatus for producing fluids while injecting gas through the same wellbore. Atlantic Richfield Company, Albert C Metrailer, April 3, 2001: US06209641 (22 worldwide citation)

Method and apparatus for producing a first zone through a wellbore while simultaneously injecting gas into a second zone through the same wellbore. The production stream is produced to the surface through a string of tubing where gas is separated therefrom. The separated gas and/or gas from another ...


5
Jerry L Brady, Mark D Stevenson, John M Klein, James L Cawvey: Oil and gas production with downhole separation and reinjection of gas. Atlantic Richfield Company, Drude Faulconer, September 4, 2001: US06283204 (21 worldwide citation)

A system for producing a mixed gas-oil stream which contains solid particulates wherein gas is to be separated and compressed downhole in a turbine-driven compressor before the gas is injected into a subterranean formation. The stream is passed through a first separator to separate out the particula ...


6
Jerry L Brady, James L Cawvey, Mark D Stevenson, John M Klein: Method and system for separating and injecting gas and water in a wellbore. Atlantic Richfield Company, F Lindsey Scott, November 23, 1999: US05988275 (19 worldwide citation)

A method and system for increasing oil production from an oil well producing a mixture of oil, water, and gas through a wellbore penetrating an oil-bearing formation containing an oil-bearing zone, an aqueous zone, and a gas zone by separating from the mixture of oil, water, and gas in the oil well ...


7
Jerry L Brady, Mark D Stevenson, John M Klein, James L Cawvey: Method and system for separating and injecting water in a wellbore. Atlantic Richfield Company, F Lindsey Scott, May 2, 2000: US06056054 (12 worldwide citation)

A method and system for increasing the production of hydrocarbons from a production well producing a mixture of hydrocarbons and water through a wellbore penetrating a formation having a production zone producing a mixture of hydrocarbons and water, and a selected injection zone, by separating, in t ...


8
Jerry L Brady, Mark D Stevenson, John M Klein, James L Cawvey: Method and system for separating and injecting gas in a wellbore. Atlantic Richfield Company, F Lindsey Scott, February 22, 2000: US06026901 (11 worldwide citation)

A method and system for increasing oil production from an oil well producing a mixture of oil, water, gas, and/or solids through a wellbore penetrating an oil-bearing formation containing an oil-bearing zone and a selected injection zone, by separating from the mixture of oil, water, gas, and/or sol ...


9
Steven J Svedeman, Steven P Petullo, John M Klein, James L Cawvey, Jerry L Brady, Mark D Stevenson: Oil and gas production with downhole separation and compression of gas. Atlantic Richfield Company, Drude Faulconer, July 17, 2001: US06260619 (10 worldwide citation)

A method and system for producing a mixed gas-oil stream through a tubing wherein at least a portion of the gas is separated from the stream and flowed through a restriction in the tubing to cool the separated gas and reduce its pressure to thereby retain larger amounts of liquid (i.e. condensate) i ...


10
Jerry L Brady, James L Cawvey, John M Klein, Mark D Stevenson, Steven J Svedeman, Steven P Petullo, Kerry N Oliphant: Oil and gas production with downhole separation and reinjection of gas. Conocophillips Company, Drude Faulconer, May 20, 2003: US06564865 (10 worldwide citation)

A system for producing a mixed gas-oil stream which contains solid particulates wherein gas is to be separated and compressed downhole in a turbine-driven compressor before the gas is injected into a subterranean formation. The stream is passed through an upstream separator to separate out the parti ...