1
Eugene R Thomas, Thomas A Paulley, Donald J Victory, Harry W Deckman: Downhole gas separation method and system. ExxonMobil Upstream Research Company, June 29, 2004: US06755251 (124 worldwide citation)

The invention is a method and system of separating a multi-component fluid in a wellbore. At least one fluid separation membrane comprising a feed side and a permeate side is incorporated in the wellbore. A flowing stream of the multi-component fluid obtained from a subterranean zone being in fluid ...


2
Eugene R Thomas, P Scott Northrop, Hua Hu: Acid gas disposal method. ExxonMobil Upstream Research Company, October 31, 2006: US07128150 (122 worldwide citation)

This invention is method of recovering gas from a gas-bearing subterranean formation in which gas is produced from an upper portion of the formation and a waste gas is injected into a lower portion of the formation to dispose of the waste gas. The waste gas is injected within a 3000 foot (914 m) rad ...


3
Eric T Cole, Eugene R Thomas, Ronald R Bowen: Process for liquefying a natural gas stream containing at least one freezable component. Exxon Production Research Company, G D Lawson, September 28, 1999: US05956971 (86 worldwide citation)

This invention relates to a process for producing pressurized liquid rich in methane from a multi-component feed stream containing methane and a freezable component having a relative volatility less than that of methane. The multi-component feed stream is introduced into a separation system having a ...


4
William A Potts Jr, Eugene R Thomas: Method for separating a multi-component feed stream using distillation and controlled freezing zone. Exxon Production Research Company, Keith A Bell, June 9, 1992: US05120338 (67 worldwide citation)

The invention relates to a method for separating two primary components of a multi-component feed stream (e.g., methane and nitrogen) in the presence of a third, freezable component (e.g., carbon dioxide) having a relative volatility less than that of either primary component. The inventive process ...


5
Eugene R Thomas, Ronald R Bowen, Eric T Cole, Edward L Kimble: Process for liquefaction of natural gas. Exxon Production Research Company, Gary D Lawson, February 15, 2000: US06023942 (65 worldwide citation)

This invention relates to a process for liquefying a gas stream rich in methane and having a pressure above about 3103 kPa (450 psia). The gas stream is expanded to a lower pressure to produce a gas phase and a liquid product having a temperature above about -112.degree. C. (-170.degree. F.) and a p ...


6
Richard C Haut, Eugene R Thomas, Robert D Denton: Method and apparatus to start-up controlled freezing zone process and purify the product stream. Exxon Production Research Company, Vaden Eickenroht Thompson & Boulware, November 5, 1991: US05062270 (61 worldwide citation)

The invention relates to a method and apparatus for start-up, transformation from start-up to normal operation and normal separation of carbon dioxide and other acid gases from methane using a distillation column with a controlled freezing zone. Normally, the feedstream is treated in at least one di ...


7
Donald J Victory, Eugene R Thomas: Process for separating a multi-component gas stream containing at least one freezable component. ExxonMobil Upstream Research Company, Gary D Lawson, April 25, 2000: US06053007 (51 worldwide citation)

This invention relates generally to a separation process in which a multi-component feed stream is introduced into a separation system that operates under solids forming conditions for at least one of the feed stream components. The freezable component, although typically CO.sub.2, H.sub.2 S or anot ...


8
Ronald R Bowen, Eric T Cole, Edward L Kimble, Eugene R Thomas, Lonny R Kelley: Multi-component refrigeration process for liquefaction of natural gas. Exxon Production Research Company, G D Lawson, September 14, 1999: US05950453 (50 worldwide citation)

This invention relates to a process for liquefying a pressurized gas stream rich in methane in which the liquefication of the gas stream occurs in a heat exchanger being cooled by a closed-loop multi-component refrigeration system to produce a methane-rich liquid product having a temperature above a ...


9
Harry W Deckman, Bruce T Kelley, Eugene R Thomas, Ronald R Chance, Paul S Northrop, Edward W Corcoran Jr: Removal of a target gas from a mixture of gases by swing adsorption with use of a turboexpander. ExxonMobil Research and Engineering Company, David M Weisberg, September 10, 2013: US08529664 (41 worldwide citation)

The separation of a target gas selected from a high pressure gas mixture containing said target gas as well as a product gas using a swing adsorption process unit. A turboexpander is used upstream of the swing adsorber to reduce the pressure of the high pressure gas mixture. A compressor is optional ...


10
Bruce T Kelley, Paul S Northrop, Ronald R Chance, Harry W Deckman, Edward W Corcoran Jr, Eugene R Thomas: Removal of heavy hydrocarbons from gas mixtures containing heavy hydrocarbons and methane. ExxonMobil Research and Engineering Company, Bruce M Borcelon, David M Weisberg, September 10, 2013: US08529662 (36 worldwide citation)

A process for the separation of one or more heavy hydrocarbon gases from a gas mixture containing heavy hydrocarbon gas components and methane. The process is conducted in swing adsorption apparatus containing adsorbent contactor having a plurality of flow channels and wherein 20 volume percent or l ...