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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 (294 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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