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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US39996066 oct. 197528 déc. 1976Cities Service CompanyOil recovery rate by throttling production wells during combustion drive
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US43433611 août 198010 août 1982Standard Oil Company (Indiana)Method for controlling underground combustion
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US658850424 avr. 20018 juil. 2003Shell Oil CompanyIn situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids
US659190624 avr. 200115 juil. 2003Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation with a selected oxygen content
US659190724 avr. 200115 juil. 2003Shell Oil CompanyIn situ thermal processing of a coal formation with a selected vitrinite reflectance
US660703324 avr. 200119 août 2003Shell Oil CompanyIn Situ thermal processing of a coal formation to produce a condensate
US660957024 avr. 200126 août 2003Shell Oil CompanyIn situ thermal processing of a coal formation and ammonia production
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US669851524 avr. 20012 mars 2004Shell Oil CompanyIn situ thermal processing of a coal formation using a relatively slow heating rate
US670201624 avr. 20019 mars 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer
US670875824 avr. 200123 mars 2004Shell Oil CompanyIn situ thermal processing of a coal formation leaving one or more selected unprocessed areas
US671213524 avr. 200130 mars 2004Shell Oil CompanyIn situ thermal processing of a coal formation in reducing environment
US671213624 avr. 200130 mars 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using a selected production well spacing
US671213724 avr. 200130 mars 2004Shell Oil CompanyIn situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material
US671554624 avr. 20016 avr. 2004Shell Oil CompanyIn situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore
US671554724 avr. 20016 avr. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation
US671554824 avr. 20016 avr. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids
US671554924 avr. 20016 avr. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio
US671904724 avr. 200113 avr. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment
US672242924 avr. 200120 avr. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas
US672243024 avr. 200120 avr. 2004Shell Oil CompanyIn situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio
US672243124 avr. 200120 avr. 2004Shell Oil CompanyIn situ thermal processing of hydrocarbons within a relatively permeable formation
US672592024 avr. 200127 avr. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products
US672592124 avr. 200127 avr. 2004Shell Oil CompanyIn situ thermal processing of a coal formation by controlling a pressure of the formation
US672592824 avr. 200127 avr. 2004Shell Oil CompanyIn situ thermal processing of a coal formation using a distributed combustor
US672939524 avr. 20014 mai 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells
US672939624 avr. 20014 mai 2004Shell Oil CompanyIn situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range
US672939724 avr. 20014 mai 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance
US672940124 avr. 20014 mai 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation and ammonia production
US673279424 avr. 200111 mai 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content
US673279524 avr. 200111 mai 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to pyrolyze a selected percentage of hydrocarbon material
US673279624 avr. 200111 mai 2004Shell Oil CompanyIn situ production of synthesis gas from a hydrocarbon containing formation, the synthesis gas having a selected H2 to CO ratio
US673621524 avr. 200118 mai 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration
US673939324 avr. 200125 mai 2004Shell Oil CompanyIn situ thermal processing of a coal formation and tuning production
US673939424 avr. 200125 mai 2004Shell Oil CompanyProduction of synthesis gas from a hydrocarbon containing formation
US674258724 avr. 20011 juin 2004Shell Oil CompanyIn situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation
US674258824 avr. 20011 juin 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content
US674258924 avr. 20011 juin 2004Shell Oil CompanyIn situ thermal processing of a coal formation using repeating triangular patterns of heat sources
US674259324 avr. 20011 juin 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation
US674583124 avr. 20018 juin 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation by controlling a pressure of the formation
US674583224 avr. 20018 juin 2004Shell Oil CompanySitu thermal processing of a hydrocarbon containing formation to control product composition
US674583724 avr. 20018 juin 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using a controlled heating rate
US674902124 avr. 200115 juin 2004Shell Oil CompanyIn situ thermal processing of a coal formation using a controlled heating rate
US675221024 avr. 200122 juin 2004Shell Oil CompanyIn situ thermal processing of a coal formation using heat sources positioned within open wellbores
US675826824 avr. 20016 juil. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using a relatively slow heating rate
US676121624 avr. 200113 juil. 2004Shell Oil CompanyIn situ thermal processing of a coal formation to produce hydrocarbon fluids and synthesis gas
US676388624 avr. 200120 juil. 2004Shell Oil CompanyIn situ thermal processing of a coal formation with carbon dioxide sequestration
US676948324 avr. 20013 août 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources
US676948524 avr. 20013 août 2004Shell Oil CompanyIn situ production of synthesis gas from a coal formation through a heat source wellbore
US678962524 avr. 200114 sept. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources
US680519524 avr. 200119 oct. 2004Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas
US682068824 avr. 200123 nov. 2004Shell Oil CompanyIn situ thermal processing of coal formation with a selected hydrogen content and/or selected H/C ratio
US686609724 avr. 200115 mars 2005Shell Oil CompanyIn situ thermal processing of a coal formation to increase a permeability/porosity of the formation
US687170724 avr. 200129 mars 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration
US687755424 avr. 200112 avr. 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control
US687755524 avr. 200212 avr. 2005Shell Oil CompanyIn situ thermal processing of an oil shale formation while inhibiting coking
US688063324 avr. 200219 avr. 2005Shell Oil CompanyIn situ thermal processing of an oil shale formation to produce a desired product
US688063524 avr. 200119 avr. 2005Shell Oil CompanyIn situ production of synthesis gas from a coal formation, the synthesis gas having a selected H2 to CO ratio
US688976924 avr. 200110 mai 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation with a selected moisture content
US689605324 avr. 200124 mai 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources
US690200324 avr. 20017 juin 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content
US690200424 avr. 20017 juin 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using a movable heating element
US691053624 avr. 200128 juin 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
US691307824 avr. 20015 juil. 2005Shell Oil CompanyIn Situ thermal processing of hydrocarbons within a relatively impermeable formation
US691585024 avr. 200212 juil. 2005Shell Oil CompanyIn situ thermal processing of an oil shale formation having permeable and impermeable sections
US691844224 avr. 200219 juil. 2005Shell Oil CompanyIn situ thermal processing of an oil shale formation in a reducing environment
US691844324 avr. 200219 juil. 2005Shell Oil CompanyIn situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range
US692325724 avr. 20022 août 2005Shell Oil CompanyIn situ thermal processing of an oil shale formation to produce a condensate
US692325812 juin 20032 août 2005Shell Oil CompanyIn situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content
US692906724 avr. 200216 août 2005Shell Oil CompanyHeat sources with conductive material for in situ thermal processing of an oil shale formation
US693215524 oct. 200223 août 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
US694856224 avr. 200227 sept. 2005Shell Oil CompanyProduction of a blending agent using an in situ thermal process in a relatively permeable formation
US694856324 avr. 200127 sept. 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content
US695124724 avr. 20024 oct. 2005Shell Oil CompanyIn situ thermal processing of an oil shale formation using horizontal heat sources
US695308724 avr. 200111 oct. 2005Shell Oil CompanyThermal processing of a hydrocarbon containing formation to increase a permeability of the formation
US695976124 avr. 20011 nov. 2005Shell Oil CompanyIn situ thermal processing of a coal formation with a selected ratio of heat sources to production wells
US696430024 avr. 200215 nov. 2005Shell Oil CompanyIn situ thermal recovery from a relatively permeable formation with backproduction through a heater wellbore
US696637224 avr. 200122 nov. 2005Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids
US696637424 avr. 200222 nov. 2005Shell Oil CompanyIn situ thermal recovery from a relatively permeable formation using gas to increase mobility
US696912324 oct. 200229 nov. 2005Shell Oil CompanyUpgrading and mining of coal
US697396724 avr. 200113 déc. 2005Shell Oil CompanySitu thermal processing of a coal formation using pressure and/or temperature control
US698154824 avr. 20023 janv. 2006Shell Oil CompanyIn situ thermal recovery from a relatively permeable formation
US699103124 avr. 200131 janv. 2006Shell Oil CompanyIn situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products
US699103224 avr. 200231 janv. 2006Shell Oil CompanyIn situ thermal processing of an oil shale formation using a pattern of heat sources
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US699416024 avr. 20017 févr. 2006Shell Oil CompanyIn situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range
US699416124 avr. 20017 févr. 2006In situ thermal processing of a coal formation with a selected moisture content
US699416824 avr. 20017 févr. 2006In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio
US699416924 avr. 20027 févr. 2006Shell Oil CompanyIn situ thermal processing of an oil shale formation with a selected property
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US700424724 avr. 200228 févr. 2006Shell Oil CompanyConductor-in-conduit heat sources for in situ thermal processing of an oil shale formation
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US704039824 avr. 20029 mai 2006Shell Oil CompanyIn situ thermal processing of a relatively permeable formation in a reducing environment
US704039924 avr. 20029 mai 2006Shell Oil CompanyIn situ thermal processing of an oil shale formation using a controlled heating rate
US704040024 avr. 20029 mai 2006Shell Oil CompanyIn situ thermal processing of a relatively impermeable formation using an open wellbore
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US705180824 oct. 200230 mai 2006Shell Oil CompanySeismic monitoring of in situ conversion in a hydrocarbon containing formation
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US767731419 oct. 200716 mars 2010Shell Oil CompanyMethod of condensing vaporized water in situ to treat tar sands formations
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US817233510 avr. 20098 mai 2012Shell Oil CompanyElectrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations
US817730510 avr. 200915 mai 2012Shell Oil CompanyHeater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations
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US82205399 oct. 200917 juil. 2012Shell Oil CompanyControlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation
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