Suche Bilder Maps Play YouTube News Gmail Drive Mehr »
Erweiterte Patentsuche | Webprotokoll | Anmelden

Patente

Referenziert von

Zitiert von PatentEingetragenAusgestelltUrsprünglich Bevollmächtigter Titel
US39825928. Sept. 197528. Sept. 1976World Energy SystemsIn situ hydrogenation of hydrocarbons in underground formations
US405051527. Sept. 197627. Sept. 1977World Energy SystemsInsitu hydrogenation of hydrocarbons in underground formations
US41414179. Sept. 197727. Febr. 1979Institute of Gas TechnologyEnhanced oil recovery
US444425712. Dez. 198024. Apr. 1984UOP Inc.Method for in situ conversion of hydrocarbonaceous oil
US459744125. Mai 19841. Juli 1986World Energy Systems, Inc.Recovery of oil by in situ hydrogenation
US469177115. Sept. 19868. Sept. 1987WorldEnergy Systems, Inc.Recovery of oil by in-situ combustion followed by in-situ hydrogenation
US489520616. März 198923. Jan. 1990Pulsed in situ exothermic shock wave and retorting process for hydrocarbon recovery and detoxification of selected wastes
US50545513. Aug. 19908. Okt. 1991Chevron Research and Technology CompanyIn-situ heated annulus refining process
US510588728. Febr. 199121. Apr. 1992Union Oil Company of CaliforniaEnhanced oil recovery technique using hydrogen precursors
US514500322. Juli 19918. Sept. 1992Chevron Research and Technology CompanyMethod for in-situ heated annulus refining process
US595072824. Juli 199714. Sept. 1999Method and apparatus for enhancing oil recovery
US601686724. Juni 199825. Jan. 2000World Energy Systems, IncorporatedUpgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking
US601686824. Juni 199825. Jan. 2000World Energy Systems, IncorporatedProduction of synthetic crude oil from heavy hydrocarbons recovered by in situ hydrovisbreaking
US602690218. Dez. 199822. Febr. 2000Method and apparatus for enhancing oil recovery
US632810424. Jan. 200011. Dez. 2001World Energy Systems IncorporatedUpgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking
US765093920. Mai 200726. Jan. 2010Pioneer Energy, Inc.Portable and modular system for extracting petroleum and generating power
US765433019. Mai 20072. Febr. 2010Pioneer Energy, Inc.Apparatus, methods, and systems for extracting petroleum using a portable coal reformer
US77357776. Juni 200615. Juni 2010Pioneer AstronauticsApparatus for generation and use of lift gas
US787103626. Apr. 201018. Jan. 2011Pioneer AstronauticsApparatus for generation and use of lift gas
US80470073. Mai 20111. Nov. 2011Pioneer Energy Inc.Methods for generating electricity from carbonaceous material with substantially no carbon dioxide emissions