Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Búsqueda avanzada de patentes | Historial web | Iniciar sesión

Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US395002912 Jun 197513 Abr 1976Mobil Oil CorporationIn situ retorting of oil shale
US39943434 Mar 197430 Nov 1976Occidental Petroleum CorporationProcess for in situ oil shale retorting with off gas recycling
US400575216 Oct 19751 Feb 1977Occidental Petroleum CorporationMethod of igniting in situ oil shale retort with fuel rich flue gas
US401457526 Jul 197429 Mar 1977Occidental Petroleum CorporationSystem for fuel and products of oil shale retort
US401828010 Dic 197519 Abr 1977Mobil Oil CorporationProcess for in situ retorting of oil shale
US402791716 May 19757 Jun 1977Occidental Petroleum CorporationMethod for igniting the top surface of oil shale in an in situ retort
US404359511 Ago 197523 Ago 1977Occidental Oil Shale, Inc.In situ recovery of shale oil
US404359611 Ago 197523 Ago 1977Occidental Oil Shale, Inc.Forming shale oil recovery retort by blasting into slot-shaped columner void
US404776028 Nov 197513 Sep 1977Occidental Oil Shale, Inc.In situ recovery of shale oil
US406378030 Ene 197620 Dic 1977AZS CorporationMethod of recovering liquid and gaseous products of oil shale
US410507227 Ene 19778 Ago 1978Occidental Oil ShaleProcess for recovering carbonaceous values from post in situ oil shale retorting
US411807125 Abr 19773 Oct 1978Occidental Oil Shale, Inc.In situ oil shale retort with a horizontal sill pillar
US41473885 Ene 19783 Abr 1979Occidental Oil Shale, Inc.Method for in situ recovery of liquid and gaseous products from oil shale deposits
US417688216 Feb 19784 Dic 1979Occidental Oil Shale, Inc.In situ oil shale retorts with gas barriers for maximizing product recovery
US423161714 Dic 19784 Nov 1980Gulf Oil CorporationConsolidation of in-situ retort
US42392845 Mar 197916 Dic 1980Occidental Oil Shale, Inc.Situ retort with high grade fragmented oil shale zone adjacent the lower boundary
US426397031 Jul 197828 Abr 1981Occidental Oil Shale, Inc.Method for assuring uniform combustion in an in situ oil shale retort
US426682624 May 197612 May 1981Occidental Oil Shale, Inc.In-situ recovery of constituents from fragmented ore
US43032732 Nov 19791 Dic 1981Occidental Oil Shale, Inc.In situ oil shale retort with a generally T-shaped vertical cross section
US43448397 Jul 198017 Ago 1982Process for separating oil from a naturally occurring mixture
US43570512 Jun 19802 Nov 1982Occidental Oil Shale, Inc.Withdrawal of gases and liquids from an in situ oil shale retort
US444044530 Nov 19813 Abr 1984Occidental Oil Shale, Inc.Fluid outlet at the bottom of an in situ oil shale retort
US78627058 Feb 20084 Ene 2011Red Leaf Resources, Inc.Methods of recovering hydrocarbons from hydrocarbonaceous material using a constructed infrastructure and associated systems
US78627068 Feb 20084 Ene 2011Red Leaf Resources, Inc.Methods of recovering hydrocarbons from water-containing hydrocarbonaceous material using a constructed infrastructure and associated systems
US79060148 Feb 200815 Mar 2011Red Leaf Resources, Inc.Methods of recovering hydrocarbons from hydrocarbonaceous material with reduced non-carbonaceous leachate and CO2 and associated systems
US79679748 Feb 200828 Jun 2011Red Leaf Resources, Inc.Methods of recovering hydrocarbons from hydrocarbonaceous material using a constructed infrastructure having permeable walls and associated systems
US80038446 Feb 200923 Ago 2011Red Leaf Resources, Inc.Methods of transporting heavy hydrocarbons
US81090474 Ene 20117 Feb 2012Red Leaf Resources, Inc.System for recovering hydrocarbons from water-containing hydrocarbonaceous material using a constructed infrastructure