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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US427448711 Ene 197923 Jun 1981Standard Oil Company (Indiana)Indirect thermal stimulation of production wells
US441762012 Nov 198129 Nov 1983Mobil Oil CorporationMethod of recovering oil using steam
US449994812 Dic 198319 Feb 1985Atlantic Richfield CompanyViscous oil recovery using controlled pressure well pair drainage
US455732914 Sep 198210 Dic 1985Canadian Liquid Air Ltd./Air Liquide Canada LTEEOil recovery by in-situ combustion
US754032419 Oct 20072 Jun 2009Shell Oil CompanyHeating hydrocarbon containing formations in a checkerboard pattern staged process
US754947020 Oct 200623 Jun 2009Shell Oil CompanySolution mining and heating by oxidation for treating hydrocarbon containing formations
US755609520 Oct 20067 Jul 2009Shell Oil CompanySolution mining dawsonite from hydrocarbon containing formations with a chelating agent
US755609620 Oct 20067 Jul 2009Shell Oil CompanyVarying heating in dawsonite zones in hydrocarbon containing formations
US755936720 Oct 200614 Jul 2009Shell Oil CompanyTemperature limited heater with a conduit substantially electrically isolated from the formation
US759714720 Abr 20076 Oct 2009Shell Oil CompanyTemperature limited heaters using phase transformation of ferromagnetic material
US760405220 Abr 200720 Oct 2009Shell Oil CompanyCompositions produced using an in situ heat treatment process
US763168920 Abr 200715 Dic 2009Shell Oil CompanySulfur barrier for use with in situ processes for treating formations
US763169019 Oct 200715 Dic 2009Shell Oil CompanyHeating hydrocarbon containing formations in a spiral startup staged sequence
US763502419 Oct 200722 Dic 2009Shell Oil CompanyHeating tar sands formations to visbreaking temperatures
US764476519 Oct 200712 Ene 2010Shell Oil CompanyHeating tar sands formations while controlling pressure
US767368119 Oct 20079 Mar 2010Shell Oil CompanyTreating tar sands formations with karsted zones
US767731019 Oct 200716 Mar 2010Shell Oil CompanyCreating and maintaining a gas cap in tar sands formations
US767731419 Oct 200716 Mar 2010Shell Oil CompanyMethod of condensing vaporized water in situ to treat tar sands formations
US768164719 Oct 200723 Mar 2010Shell Oil CompanyMethod of producing drive fluid in situ in tar sands formations
US770351319 Oct 200727 Abr 2010Shell Oil CompanyWax barrier for use with in situ processes for treating formations
US771717119 Oct 200718 May 2010Shell Oil CompanyMoving hydrocarbons through portions of tar sands formations with a fluid
US773094519 Oct 20078 Jun 2010Shell Oil CompanyUsing geothermal energy to heat a portion of a formation for an in situ heat treatment process
US773094619 Oct 20078 Jun 2010Shell Oil CompanyTreating tar sands formations with dolomite
US773094719 Oct 20078 Jun 2010Shell Oil CompanyCreating fluid injectivity in tar sands formations
US779372220 Abr 200714 Sep 2010Shell Oil CompanyNon-ferromagnetic overburden casing
US779822018 Abr 200821 Sep 2010Shell Oil CompanyIn situ heat treatment of a tar sands formation after drive process treatment
US783113321 Abr 20069 Nov 2010Shell Oil CompanyInsulated conductor temperature limited heater for subsurface heating coupled in a three-phase WYE configuration
US783113421 Abr 20069 Nov 2010Shell Oil CompanyGrouped exposed metal heaters
US783248418 Abr 200816 Nov 2010Shell Oil CompanyMolten salt as a heat transfer fluid for heating a subsurface formation
US784140818 Abr 200830 Nov 2010Shell Oil CompanyIn situ heat treatment from multiple layers of a tar sands formation
US784541119 Oct 20077 Dic 2010Shell Oil CompanyIn situ heat treatment process utilizing a closed loop heating system
US784992218 Abr 200814 Dic 2010Shell Oil CompanyIn situ recovery from residually heated sections in a hydrocarbon containing formation
US786037721 Abr 200628 Dic 2010Shell Oil CompanySubsurface connection methods for subsurface heaters
US786638520 Abr 200711 Ene 2011Shell Oil CompanyPower systems utilizing the heat of produced formation fluid
US786638613 Oct 200811 Ene 2011Shell Oil CompanyIn situ oxidation of subsurface formations
US786638813 Oct 200811 Ene 2011Shell Oil CompanyHigh temperature methods for forming oxidizer fuel
US793108618 Abr 200826 Abr 2011Shell Oil CompanyHeating systems for heating subsurface formations
US794219721 Abr 200617 May 2011Shell Oil CompanyMethods and systems for producing fluid from an in situ conversion process
US795045318 Abr 200831 May 2011Shell Oil CompanyDownhole burner systems and methods for heating subsurface formations
US798686921 Abr 200626 Jul 2011Shell Oil CompanyVarying properties along lengths of temperature limited heaters
US801145113 Oct 20086 Sep 2011Shell Oil CompanyRanging methods for developing wellbores in subsurface formations
US802757121 Abr 200627 Sep 2011Shell Oil CompanyIn situ conversion process systems utilizing wellbores in at least two regions of a formation
US804261018 Abr 200825 Oct 2011Shell Oil CompanyParallel heater system for subsurface formations
US811327213 Oct 200814 Feb 2012Shell Oil CompanyThree-phase heaters with common overburden sections for heating subsurface formations
US814666113 Oct 20083 Abr 2012Shell Oil CompanyCryogenic treatment of gas
US814666913 Oct 20083 Abr 2012Shell Oil CompanyMulti-step heater deployment in a subsurface formation
US815190710 Abr 200910 Abr 2012Shell Oil CompanyDual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations
US816205913 Oct 200824 Abr 2012Shell Oil CompanyInduction heaters used to heat subsurface formations
US816240510 Abr 200924 Abr 2012Shell Oil CompanyUsing tunnels for treating subsurface hydrocarbon containing formations
US817233510 Abr 20098 May 2012Shell Oil CompanyElectrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations
US817730510 Abr 200915 May 2012Shell Oil CompanyHeater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations
US819163028 Abr 20105 Jun 2012Shell Oil CompanyCreating fluid injectivity in tar sands formations
US819665813 Oct 200812 Jun 2012Shell Oil CompanyIrregular spacing of heat sources for treating hydrocarbon containing formations
US82205399 Oct 200917 Jul 2012Shell Oil CompanyControlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation
US822416521 Abr 200617 Jul 2012Shell Oil CompanyTemperature limited heater utilizing non-ferromagnetic conductor
US822586621 Jul 201024 Jul 2012Shell Oil CompanyIn situ recovery from a hydrocarbon containing formation
US824077413 Oct 200814 Ago 2012Shell Oil CompanySolution mining and in situ treatment of nahcolite beds

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