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Eric Pierre de Rouffignac, Ilya Emil Berchenko, Thomas David Fowler, Bruce Gerard Hunsucker, John Michael Karanikas, Charles Robert Keedy, Robert Charles Ryan, Harold J Vinegar, Scott Lee Wellington, Etuan Zhang: In situ thermal processing of a relatively impermeable formation using an open wellbore. Shell Oil Company, May 9, 2006: US07040400 (260 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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Anthony Thomas Cole, Lawrence James Bielamowicz, Fredrick Gordon Carl Jr, John Matthew Coles, Eric Pierre de Rouffignac, Bruce Gerard Hunsucker, John Michael Karanikas, James Louis Menotti, Christopher Arnold Pratt, Harold J Vinegar, Scott Lee Wellington: Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation. Shell Oil Company, February 28, 2006: US07004247 (228 worldwide citation)

An oil shale formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation from one or more heat sources to raise a temperature of a portion of the formation to a desired temperature ...


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Harold J Vinegar, Ronald Marshall Bass, Bruce Gerard Hunsucker: Heat sources with conductive material for in situ thermal processing of an oil shale formation. Shell Oil Company, August 16, 2005: US06929067 (223 worldwide citation)

The oil shale formation may be treated using an in situ thermal process. Heat may be provided to a section of the formation from one or more heat sources. A portion of a heat source may include conductive material. In some embodiments, the conductive portion may reduce heat loss to a non-hydrocarbon ...


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Eric Pierre de Rouffignac, Harold J Vinegar, Scott Lee Wellington, John Michael Karanikas, Ilya Emil Berchenko, Etuan Zhang, Thomas David Fowler, Charles Robert Keedy, Robert Charles Ryan, Bruce Gerard Hunsucker: In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores. Shell Oil Company, August 8, 2006: US07086468 (196 worldwide citation)

A hydrocarbon containing formation may be treated using an in situ thermal process. 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. Heat sources m ...


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Harold J Vinegar, John Matthew Coles, Eric Pierre de Rouffignac, Bruce Gerard Hunsucker, James Louis Menotti, Christopher Arnold Pratt, Scott Lee Wellington: Installation and use of removable heaters in a hydrocarbon containing formation. Shell Oil Company, January 2, 2007: US07156176 (185 worldwide citation)

In an embodiment, a system may be used to heat a hydrocarbon containing formation. The system may include a heater placed in an opening in the formation. The system may allow heat to transfer from the heater to a part of the formation. The transferred heat may pyrolyze at least some hydrocarbons in ...


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Eric Pierre de Rouffignac, Ilya Emil Berchenko, Thomas David Fowler, Bruce Gerard Hunsucker, John Michael Karanikas, Charles Robert Keedy, Robert Charles Ryan, Harold J Vinegar, Scott Lee Wellington, Etuan Zhang: In situ thermal processing through an open wellbore in an oil shale formation. Shell Oil Company, May 30, 2006: US07051811 (89 worldwide citation)

An oil shale formation may be treated using an in situ thermal process. Heat may be provided to the treatment area from one or more heat sources. A heat source may be positioned in an uncased wellbore. Heat may be allowed to transfer from the heat source to a section of the formation. Subsequently, ...