Eric Pierre de Rouffignac, Harold J Vinegar, Scott Lee Wellington, Gordon Thomas Shahin, Ilya Emil Berchenko, George Leo Stegemeier, Kevin Albert Maher, Etuan Zhang, Thomas David Fowler, Robert Charles Ryan: In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing. Del Christensen, Shell Oil Company, May 23, 2002: US20020062052-A1 (2 worldwide citation)

A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. T ...

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