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Eric Pierre de Rouffignac, Ilya Emil Berchenko, Thomas David Fowler, Robert Charles Ryan, Gordon Thomas Shahin Jr, George Leo Stegemeier, Harold J Vinegar, Scott Lee Wellington, Etuan Zhang: In situ thermal processing of a relatively impermeable formation to increase permeability of the formation. Shell Oil Company, August 31, 2004: US06782947 (295 worldwide citation)

A method for treating a relatively low permeability formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. The transferre ...


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Eric Pierre de Rouffignac, Ilya Emil Berchenko, Thomas David Fowler, Robert Charles Ryan, Gordon Thomas Shahin Jr, George Leo Stegemeier, Harold J Vinegar, Scott Lee Wellington, Etuan Zhang: In situ thermal processing of a relatively permeable formation while controlling pressure. Shell Oil Company, August 29, 2006: US07096942 (270 worldwide citation)

A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. The transferred heat ...


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Harold J Vinegar, Ilya Emil Berchenko, Eric Pierre de Rouffignac, John Michael Karanikas, Kevin Albert Maher, George Leo Stegemeier, Gordon Thomas Shahin Jr, Scott Lee Wellington: In situ thermal processing of a heavy oil diatomite formation. Shell Oil Company, September 12, 2006: US07104319 (256 worldwide citation)

An in situ process for treating a diatomite formation is provided. The process may include providing heat from one or more heaters to at least a portion of the formation. The heat may be allowed to transfer from the one or more heaters to a part of the formation such that heat from the one or more h ...