de Rouffignac; Eric Pierre

Patent Applications and Registrations

Patent applications and USPTO patent grants for de Rouffignac; Eric Pierre.The latest application filed is for "method of selecting a production well location in a hydrocarbon subsurface formation".

Company Profile

0.126.41

de Rouffignac; Eric Pierre - Rijswijk NL
de Rouffignac; Eric Pierre - Den Haag NL
de Rouffignac; Eric Pierre - The Hague N/A NL
de Rouffignac; Eric Pierre - Houston TX
de Rouffignac; Eric Pierre - The Haag NL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
In situ recovery from a hydrocarbon containing formation Grant 8,789,586 - de Rouffignac , et al. July 29, 2	2014-07-29
Method Of Selecting A Production Well Location In A Hydrocarbon Subsurface Formation App 20140190691 - Vinegar; Harold J. ; et al.	2014-07-10
In Situ Recovery From A Hydrocarbon Containing Formation App 20140027119 - de Rouffignac; Eric Pierre ; et al.	2014-01-30
In situ recovery from a hydrocarbon containing formation Grant 8,627,887 - Vinegar , et al. January 14, 2	2014-01-14
In situ thermal processing of an oil shale formation Grant 8,608,249 - Vinegar , et al. December 17, 2	2013-12-17
In situ recovery from a hydrocarbon containing formation Grant 8,485,252 - de Rouffignac , et al. July 16, 2	2013-07-16
Irregular pattern treatment of a subsurface formation Grant 8,434,555 - Bos , et al. May 7, 2	2013-05-07
In Situ Recovery From A Hydrocarbon Containing Formation App 20130008660 - de Rouffignac; Eric Pierre ; et al.	2013-01-10
In situ recovery from a hydrocarbon containing formation Grant 8,225,866 - de Rouffignac , et al. July 24, 2	2012-07-24
In Situ Recovery From A Hydrocarbon Containing Formation App 20110088904 - de Rouffignac; Eric Pierre ; et al.	2011-04-21
System for cyclic injection and production from a well Grant 7,861,770 - Ascanio Milano , et al. January 4, 2	2011-01-04
In Situ Thermal Processing Of An Oil Shale Formation App 20100270015 - Vinegar; Harold J. ; et al.	2010-10-28
In situ recovery from a hydrocarbon containing formation Grant 7,798,221 - Vinegar , et al. September 21, 2	2010-09-21
In situ thermal processing of an oil shale formation containing carbonate minerals Grant 7,735,935 - Vinegar , et al. June 15, 2	2010-06-15
In Situ Recovery From A Hydrocarbon Containing Formation App 20100126727 - Vinegar; Harold J. ; et al.	2010-05-27
Solution mining systems and methods for treating hydrocarbon containing formations Grant 7,559,368 - Vinegar , et al. July 14, 2	2009-07-14
Heating hydrocarbon containing formations in a checkerboard pattern staged process Grant 7,540,324 - de Rouffignac , et al. June 2, 2	2009-06-02
Method of determining a fluid inflow profile of wellbore Grant 7,475,724 - Pribnow , et al. January 13, 2	2009-01-13
In situ thermal processing of an oil shale formation using a pattern of heat sources App 20080314593 - Vinegar; Harold J. ; et al.	2008-12-25
System For Cyclic Injection and Production From a Well App 20080302522 - Ascanio Milano; Felix Antonio ; et al.	2008-12-11
Heating hydrocarbon containing formations in a checkerboard pattern staged process App 20080217004 - de Rouffignac; Eric Pierre ; et al.	2008-09-11
Method of determining a fluid inflow profile of wellbore App 20070158064 - Pribnow; Daniel Frederik Christof ; et al.	2007-07-12
In situ thermal processing of an oil shale formation using a pattern of heat sources Grant 7,225,866 - Berchenko , et al. June 5, 2	2007-06-05
Installation and use of removable heaters in a hydrocarbon containing formation Grant 7,156,176 - Vinegar , et al. January 2, 2	2007-01-02
Treatment of a hydrocarbon containing formation after heating Grant 7,128,153 - Vinegar , et al. October 31, 2	2006-10-31
In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor Grant 7,114,566 - Vinegar , et al. October 3, 2	2006-10-03
In situ thermal processing of a heavy oil diatomite formation Grant 7,104,319 - Vinegar , et al. September 12, 2	2006-09-12
Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation Grant 7,100,994 - Vinegar , et al. September 5, 2	2006-09-05
In situ thermal processing of a relatively permeable formation while controlling pressure Grant 7,096,942 - de Rouffignac , et al. August 29, 2	2006-08-29
In situ thermal processing of a coal formation using a movable heating element Grant 7,096,953 - de Rouffignac , et al. August 29, 2	2006-08-29
In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer Grant 7,096,941 - de Rouffignac , et al. August 29, 2	2006-08-29
In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores Grant 7,086,468 - de Rouffignac , et al. August 8, 2	2006-08-08
In situ thermal processing of a tar sands formation Grant 7,066,254 - Vinegar , et al. June 27, 2	2006-06-27
In situ recovery from lean and rich zones in a hydrocarbon containing formation Grant 7,066,257 - Wellington , et al. June 27, 2	2006-06-27
Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations Grant 7,063,145 - Veenstra , et al. June 20, 2	2006-06-20
In situ thermal recovery from a relatively permeable formation with controlled production rate Grant 7,055,600 - Messier , et al. June 6, 2	2006-06-06
In situ thermal processing through an open wellbore in an oil shale formation Grant 7,051,811 - de Rouffignac , et al. May 30, 2	2006-05-30
In situ thermal recovery from a relatively permeable formation with quality control Grant 7,051,807 - Vinegar , et al. May 30, 2	2006-05-30
Thermal processing of an oil shale formation to increase permeability of the formation Grant 7,040,397 - de Rouffignac , et al. May 9, 2	2006-05-09
In situ thermal processing of a relatively impermeable formation using an open wellbore Grant 7,040,400 - de Rouffignac , et al. May 9, 2	2006-05-09
In situ thermal processing of a relatively permeable formation in a reducing environment Grant 7,040,398 - Wellington , et al. May 9, 2	2006-05-09
In situ thermal processing of an oil shale formation using a controlled heating rate Grant 7,040,399 - Wellington , et al. May 9, 2	2006-05-09
In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation Grant 7,036,583 - de Rouffignac , et al. May 2, 2	2006-05-02
Production of synthesis gas from a coal formation Grant 7,017,661 - Vinegar , et al. March 28, 2	2006-03-28
In situ thermal processing of an oil shale formation using a natural distributed combustor Grant 7,013,972 - Vinegar , et al. March 21, 2	2006-03-21
In situ recovery from a kerogen and liquid hydrocarbon containing formation Grant 7,011,154 - Maher , et al. March 14, 2	2006-03-14
Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation Grant 7,004,247 - Cole , et al. February 28, 2	2006-02-28
In situ thermal processing and remediation of an oil shale formation Grant 7,004,251 - Ward , et al. February 28, 2	2006-02-28
In situ thermal processing of a hydrocarbon containing formation in a reducing environment Grant 6,997,255 - Wellington , et al. February 14, 2	2006-02-14
In situ thermal processing and solution mining of an oil shale formation Grant 6,997,518 - Vinegar , et al. February 14, 2	2006-02-14
In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio Grant 6,994,168 - Wellington , et al. February 7, 2	2006-02-07
In situ thermal processing of an oil shale formation with a selected property Grant 6,994,169 - Zhang , et al. February 7, 2	2006-02-07
In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range Grant 6,994,160 - Wellington , et al. February 7, 2	2006-02-07
In situ thermal processing of a coal formation with a selected moisture content Grant 6,994,161 - Maher , et al. February 7, 2	2006-02-07
Thermal processing of a relatively permeable formation Grant 6,991,036 - Sumnu-Dindoruk , et al. January 31, 2	2006-01-31
In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products Grant 6,991,031 - Vinegar , et al. January 31, 2	2006-01-31
In situ thermal processing while controlling pressure in an oil shale formation Grant 6,991,033 - Wellington , et al. January 31, 2	2006-01-31
In situ thermal processing of an oil shale formation using a pattern of heat sources Grant 6,991,032 - Berchenko , et al. January 31, 2	2006-01-31
In situ thermal recovery from a relatively permeable formation Grant 6,981,548 - Wellington , et al. January 3, 2	2006-01-03
Situ thermal processing of a coal formation using pressure and/or temperature control Grant 6,973,967 - Stegemeier , et al. December 13, 2	2005-12-13
In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids Grant 6,966,372 - Wellington , et al. November 22, 2	2005-11-22
In situ thermal recovery from a relatively permeable formation with backproduction through a heater wellbore Grant 6,964,300 - Vinegar , et al. November 15, 2	2005-11-15
In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells Grant 6,959,761 - Berchenko , et al. November 1, 2	2005-11-01
Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation Grant 6,953,087 - de Rouffignac , et al. October 11, 2	2005-10-11
In situ thermal processing of an oil shale formation using horizontal heat sources Grant 6,951,247 - de Rouffignac , et al. October 4, 2	2005-10-04
In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content Grant 6,948,563 - Wellington , et al. September 27, 2	2005-09-27
Production of a blending agent using an in situ thermal process in a relatively permeable formation Grant 6,948,562 - Wellington , et al. September 27, 2	2005-09-27
In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well Grant 6,932,155 - Vinegar , et al. August 23, 2	2005-08-23
In situ thermal processing of an oil shale formation to produce a condensate Grant 6,923,257 - Wellington , et al. August 2, 2	2005-08-02
In situ thermal processing of an oil shale formation in a reducing environment Grant 6,918,442 - Wellington , et al. July 19, 2	2005-07-19
In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range Grant 6,918,443 - Wellington , et al. July 19, 2	2005-07-19
In situ thermal processing of an oil shale formation having permeable and impermeable sections Grant 6,915,850 - Vinegar , et al. July 12, 2	2005-07-12
In Situ thermal processing of hydrocarbons within a relatively impermeable formation Grant 6,913,078 - Shahin, Jr. , et al. July 5, 2	2005-07-05
In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor Grant 6,910,536 - Wellington , et al. June 28, 2	2005-06-28
In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content Grant 6,902,003 - Maher , et al. June 7, 2	2005-06-07
In situ thermal processing of a hydrocarbon containing formation using a movable heating element Grant 6,902,004 - de Rouffignac , et al. June 7, 2	2005-06-07
In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources Grant 6,896,053 - Berchenko , et al. May 24, 2	2005-05-24
In situ thermal processing of a hydrocarbon containing formation with a selected moisture content Grant 6,889,769 - Wellington , et al. May 10, 2	2005-05-10
In situ thermal processing of an oil shale formation to produce a desired product Grant 6,880,633 - Wellington , et al. April 19, 2	2005-04-19
In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control Grant 6,877,554 - Stegemeier , et al. April 12, 2	2005-04-12
In situ thermal processing of an oil shale formation while inhibiting coking Grant 6,877,555 - Karanikas , et al. April 12, 2	2005-04-12
In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration Grant 6,871,707 - Karanikas , et al. March 29, 2	2005-03-29
In situ thermal processing of a coal formation to increase a permeability/porosity of the formation Grant 6,866,097 - Vinegar , et al. March 15, 2	2005-03-15
In situ thermal processing of coal formation with a selected hydrogen content and/or selected H/C ratio Grant 6,820,688 - Vinegar , et al. November 23, 2	2004-11-23
In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources Grant 6,789,625 - de Rouffignac , et al. September 14, 2	2004-09-14
In situ thermal processing of a relatively impermeable formation to increase permeability of the formation Grant 6,782,947 - de Rouffignac , et al. August 31, 2	2004-08-31
In situ production of synthesis gas from a coal formation through a heat source wellbore Grant 6,769,485 - Vinegar , et al. August 3, 2	2004-08-03
In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources Grant 6,769,483 - de Rouffignac , et al. August 3, 2	2004-08-03
In situ thermal processing of a coal formation with carbon dioxide sequestration Grant 6,763,886 - Schoeling , et al. July 20, 2	2004-07-20
In situ thermal processing of a coal formation to produce hydrocarbon fluids and synthesis gas Grant 6,761,216 - Vinegar , et al. July 13, 2	2004-07-13
In situ thermal processing of a hydrocarbon containing formation using a relatively slow heating rate Grant 6,758,268 - Vinegar , et al. July 6, 2	2004-07-06
In situ thermal processing of a coal formation using heat sources positioned within open wellbores Grant 6,752,210 - de Rouffignac , et al. June 22, 2	2004-06-22
In situ thermal processing of a coal formation using a controlled heating rate Grant 6,749,021 - Vinegar , et al. June 15, 2	2004-06-15
In situ thermal processing of a coal formation to increase a permeability/porosity of the formation App 20040108111 - Vinegar, Harold J. ; et al.	2004-06-10
In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate Grant 6,745,837 - Wellington , et al. June 8, 2	2004-06-08
In situ thermal processing of a hydrocarbon containing formation by controlling a pressure of the formation Grant 6,745,831 - de Rouffignac , et al. June 8, 2	2004-06-08
Situ thermal processing of a hydrocarbon containing formation to control product composition Grant 6,745,832 - Wellington , et al. June 8, 2	2004-06-08
In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation Grant 6,742,593 - Vinegar , et al. June 1, 2	2004-06-01
In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content Grant 6,742,588 - Wellington , et al. June 1, 2	2004-06-01
In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation Grant 6,742,587 - Vinegar , et al. June 1, 2	2004-06-01
In situ thermal processing of a coal formation using repeating triangular patterns of heat sources Grant 6,742,589 - Berchenko , et al. June 1, 2	2004-06-01
In situ thermal processing of a coal formation and tuning production Grant 6,739,393 - Vinegar , et al. May 25, 2	2004-05-25
Production of synthesis gas from a hydrocarbon containing formation Grant 6,739,394 - Vinegar , et al. May 25, 2	2004-05-25
In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration Grant 6,736,215 - Maher , et al. May 18, 2	2004-05-18
In situ thermal processing of a hydrocarbon containing formation to pyrolyze a selected percentage of hydrocarbon material Grant 6,732,795 - de Rouffignac , et al. May 11, 2	2004-05-11
In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content Grant 6,732,794 - Wellington , et al. May 11, 2	2004-05-11
In situ production of synthesis gas from a hydrocarbon containing formation, the synthesis gas having a selected H2 to CO ratio Grant 6,732,796 - Vinegar , et al. May 11, 2	2004-05-11
In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells Grant 6,729,395 - Shahin, Jr. , et al. May 4, 2	2004-05-04
In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range Grant 6,729,396 - Vinegar , et al. May 4, 2	2004-05-04
In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance Grant 6,729,397 - Zhang , et al. May 4, 2	2004-05-04
In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products Grant 6,725,920 - Zhang , et al. April 27, 2	2004-04-27
In situ thermal processing of a coal formation by controlling a pressure of the formation Grant 6,725,921 - de Rouffignac , et al. April 27, 2	2004-04-27
In situ thermal processing of a coal formation using a distributed combustor Grant 6,725,928 - Vinegar , et al. April 27, 2	2004-04-27
In situ thermal processing of hydrocarbons within a relatively permeable formation Grant 6,722,431 - Karanikas , et al. April 20, 2	2004-04-20
In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio Grant 6,722,430 - Vinegar , et al. April 20, 2	2004-04-20
In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas Grant 6,722,429 - de Rouffignac , et al. April 20, 2	2004-04-20
In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment Grant 6,719,047 - Fowler , et al. April 13, 2	2004-04-13
In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore Grant 6,715,546 - Vinegar , et al. April 6, 2	2004-04-06
In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio Grant 6,715,549 - Wellington , et al. April 6, 2	2004-04-06
In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation Grant 6,715,547 - Vinegar , et al. April 6, 2	2004-04-06
In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material Grant 6,712,137 - Vinegar , et al. March 30, 2	2004-03-30
In situ thermal processing of a coal formation in reducing environment Grant 6,712,135 - Wellington , et al. March 30, 2	2004-03-30
In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing Grant 6,712,136 - de Rouffignac , et al. March 30, 2	2004-03-30
In situ thermal processing of a coal formation leaving one or more selected unprocessed areas Grant 6,708,758 - de Rouffignac , et al. March 23, 2	2004-03-23
In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer Grant 6,702,016 - de Rouffignac , et al. March 9, 2	2004-03-09
In situ thermal processing of a coal formation using a relatively slow heating rate Grant 6,698,515 - Karanikas , et al. March 2, 2	2004-03-02
In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate Grant 6,688,387 - Wellington , et al. February 10, 2	2004-02-10
In Situ Thermal Processing Of A Hydrocarbon Containing Formation To Produce A Hydrocarbon Condensate App 20040015023 - Wellington, Scott Lee ; et al.	2004-01-22
In situ thermal processing of an oil shale formation using a pattern of heat sources App 20030173080 - Berchenko, Ilya Emil ; et al.	2003-09-18
In situ thermal processing of a hydrocarbon containing formation using a movable heating element App 20030164234 - de Rouffignac, Eric Pierre ; et al.	2003-09-04
In situ thermal processing of a coal formation and ammonia production Grant 6,609,570 - Wellington , et al. August 26, 2	2003-08-26
In Situ thermal processing of a coal formation to produce a condensate Grant 6,607,033 - Wellington , et al. August 19, 2	2003-08-19
In situ thermal processing of an oil shale formation using a natural distributed combustor App 20030148894 - Vinegar, Harold J. ; et al.	2003-08-07
In situ thermal processing of an oil shale formation while inhibiting coking App 20030141066 - Karanikas, John Michael ; et al.	2003-07-31
In situ thermal processing of a relatively impermeable formation to increase permeability of the formation App 20030131995 - de Rouffignac, Eric Pierre ; et al.	2003-07-17
In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content Grant 6,591,906 - Wellington , et al. July 15, 2	2003-07-15
In situ thermal processing of a coal formation with a selected vitrinite reflectance Grant 6,591,907 - Zhang , et al. July 15, 2	2003-07-15
In Situ thermal processing of a coal formation to control product composition Grant 6,588,503 - Karanikas , et al. July 8, 2	2003-07-08
In situ thermal processing of a relatively permeable formation App 20030116315 - Wellington, Scott Lee ; et al.	2003-06-26
In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids Grant 6,581,684 - Wellington , et al. June 24, 2	2003-06-24
In situ thermal recovery from a relatively permeable formation with controlled production rate App 20030102126 - Sumnu-Dindoruk, Meliha Deniz ; et al.	2003-06-05
In situ thermal processing of a relatively impermeable formation in a reducing environment App 20030079877 - Wellington, Scott Lee ; et al.	2003-05-01
In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer App 20030051872 - de Rouffignac, Eric Pierre ; et al.	2003-03-20
In situ production of synthesis gas from a hydrocarbon containing formation, the synthesis gas having a selected H2 to CO ratio App 20020170708 - Vinegar, Harold J. ; et al.	2002-11-21
In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products App 20020104654 - Vinegar, Harold J. ; et al.	2002-08-08
In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate App 20020096320 - Wellington, Scott Lee ; et al.	2002-07-25
In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation App 20020084074 - de Rouffignac, Eric Pierre ; et al.	2002-07-04
In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells App 20020074117 - Shahin, Gordon Thomas JR. ; et al.	2002-06-20
In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio App 20020062959 - Wellington, Scott Lee ; et al.	2002-05-30
In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content App 20020050357 - Wellington, Scott Lee ; et al.	2002-05-02
In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content App 20020046837 - Wellington, Scott Lee ; et al.	2002-04-25
In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration App 20020046838 - Karanikas, John Michael ; et al.	2002-04-25
In situ thermal processing of a coal formation with a selected vitrinite reflectance App 20020038706 - Zhang, Etuan ; et al.	2002-04-04
In situ production of synthesis gas from a coal formation through a heat source wellbore App 20020038712 - Vinegar, Harold J. ; et al.	2002-04-04
In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer App 20020036083 - de Rouffignac, Eric Pierre ; et al.	2002-03-28
In situ thermal processing of a coal formation to produce a mixture of olefins, oxygenated hydrocarbons, and aromatic hydrocarbons App 20020038069 - Wellington, Scott Lee ; et al.	2002-03-28
In situ thermal processing of a coal formation with carbon dioxide sequestration App 20020033280 - Schoeling, Lanny Gene ; et al.	2002-03-21
In situ thermal processing of a coal formation with a selected moisture content App 20020034380 - Maher, Kevin Albert ; et al.	2002-03-21
In situ thermal processing of a coal formation, in situ production of synthesis gas, and carbon dioxide sequestration App 20020035307 - Vinegar, Harold J. ; et al.	2002-03-21
In situ thermal processing of a coal formation using a movable heating element App 20020029885 - de Rouffignac, Eric Pierre ; et al.	2002-03-14
In situ thermal processing of a coal formation leaving one or more selected unprocessed areas App 20020029884 - de Rouffignac, Eric Pierre ; et al.	2002-03-14
In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources App 20020029881 - de Rouffignac, Eric Pierre ; et al.	2002-03-14