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| Number | Title | Issue Date |
| 7229547 | Retort heating systems and methods of use A retort heating apparatus includes a perimeter wall bounding a central compartment. A partition wall is disposed within the central compartment so as to separate the central compartment into at least a heating chamber and a vapor chamber. The partition wall has a p... | 06/12/2007 |
| 7144498 | Supercritical hydrocarbon conversion process Supercritical conversion of hydrocarbons boiling above 538° C. (1000° F.) with a solvating hydrocarbon at a weight ratio of solvating hydrocarbon to high-boiling hydrocarbons of at least 2:1 and at conditions above the critical temperature and pressure of the high... | 12/05/2006 |
| 7100994 | Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation A method for treating a hydrocarbon containing formation is provided. In one embodiment, heat from one or more heaters may be provided to at least a portion of the formation. Heat may be allowed to transfer from the one or more heaters to at least a part of the form... | 09/05/2006 |
| 7067053 | Additives for improving thermal conversion of heavy crude oil A process for upgrading a heavy crude oil includes the steps of providing a heavy crude oil; and exposing the heavy crude oil to residue conversion conditions in the presence of a free radical generator and a hydrogen donor, whereby the free radical generator enhanc... | 06/27/2006 |
| 6936159 | Process for recovering hydrocarbons from a carbon containing material A process for recovering hydrocarbons from coal or oil shale is disclosed. The process involves the steps of forming a pulp of finely divided coal or oil shale in a first reaction bed, adding concentrated sulphuric acid to the first reaction bed, controlling the tem... | 08/30/2005 |
| 5916434 | Process for removal of petroleum from particulate materials A process for the removal of petroleum contaminants from particulates is disclosed which involves (i) volatilization of the contaminated particulates in a toroidal dynamic bed (1) suspended in hot gases and/or (ii) extraction of the contaminated particula... | 06/29/1999 |
| 5611915 | Process for removal of heteroatoms under reducing conditions in supercritical water A process for heteroatom removal-enhancing hydrogenation of highly refractory aromatic ring structures that involves contacting a highly refractory structure having at least one aryl linkage connecting a first heteroaryl moiety and a moiety selected from ... | 03/18/1997 |
| 5364996 | Partial oxidation of scrap rubber tires and used motor oil Scrap rubber automobile tires, oil soluble plastics, as well as waste motor oil are disposed of by the process of the subject invention without polluting the nation's environment. Further, useful product synthesis gas, reducing gas, or fuel gas is produce... | 11/15/1994 |
| 5294061 | Method of reducing the oil content of cuttings and apparatus for the application of said method A method of reducing the oil content of cuttings, in which the cuttings are introduced into a drum-shaped space, where an elevated temperature is predominant and subjected to a hammering treatment in that space and the drum-shaped space is permanently hea... | 03/15/1994 |
| 5264118 | Pipeline conditioning process for mined oil-sand As-mined, naturally water-wet oil sand is mixed at the mine site with hot water and NaOH to produce a slurry containing entrained air. The slurry is pumped through a pipeline and is fed directly to a conventional gravity separation vessel. The pipeline is... | 11/23/1993 |
| 5250175 | Process for recovery and treatment of hazardous and non-hazardous components from a waste stream A process for removing and recovering specific constituents from a waste stream at higher temperatures than the boiling point of the specific constituents. In the process, the waste is moved at a specified retention time, through a heat zone, thus increas... | 10/05/1993 |
| 5156734 | Enhanced efficiency hydrocarbon eduction process and apparatus A system and process for educing hydrocarbons from shale. The system comprises a retort vessel which has an integral apparatus for mixing raw and recycle shale that embodies raw shale pulverizing and has an integral apparatus for finally pulverizing the r... | 10/20/1992 |
| 5122259 | Separation of oil and precious metals from mined oil-bearing rock material A method and apparatus for producing oil, bitumen, precious metals, and hydrocarbon gases from mined oil-bearing rock material, such as tar sands and soil shale. The rock is ground, preconditioned in a heated and pressurized atmosphere devoid of oxygen, a... | 06/16/1992 |
| 5098481 | Soil remediation process and system Process and apparatus for near-zero discharge soil remediation, preferably in conjunction with an asphalt plant, comprising heating soil contaminated with up to about 30,000 ppm light hydrocarbons in an inclined, axially-fired rotating separator, and samp... | 03/24/1992 |
| 5073251 | Method of an apparatus for recovering oil from solid hydrocarbonaceous material A method for the recovery of oil from solid hydrocarbonaceous material and particularly from oil shale by retorting fresh feed shale and heat medium particles using a fluidized bed. The invention uses a self supporting dense phase fluidized bed in a retor... | 12/17/1991 |
| 5041210 | Oil shale retorting with steam and produced gas A process for retorting oil shale in a vertical retort. Recycle gas containing steam and produced gas is separated from the retort off-gas and used to heat the oil shale. The steam is present in amount by volume of the recycle gas of at least 40% and pref... | 08/20/1991 |
| 5008005 | Integrated coke, asphalt and jet fuel production process and apparatus A process and apparatus for the production of coke, asphalt and jet fuel m a feed of fossil fuels containing volatile carbon compounds therein is disclosed. The process includes the steps of pyrolyzing the feed in an entrained bed pyrolyzing means, separ... | 04/16/1991 |
| 4983278 | Pyrolysis methods with product oil recycling A two step retorting process for pyrolyzing a solid feed selected from the group consisting of oil shale, tar sand, waste motor oil, and scrap tires to recover valuable products therefrom comprising retorting a mixture of the solid feed in heavy oil at a ... | 01/08/1991 |
| 4948495 | High liquid yield process for retorting various organic materials including oil shale This invention is a continuous retorting process for various high molecular weight organic materials, including oil shale, that yields an enhanced output of liquid product. The organic material, mineral matter, and an acidic catalyst, that appreciably ads... | 08/14/1990 |
| 4931171 | Pyrolysis of carbonaceous materials A process for the pyrolysis of carbonaceous materials at an elevated temperature or an elevated temperature and an elevated pressure in which a fuel is burned in the presence of a combustion supporting material, in an amount sufficient to supply at least ... | 06/05/1990 |
| 4869810 | Method of recovering evaporable liquids from mud comprising fine grained particles and the evaporable liquids A method of separating oil in water and other evaporable liquids from drilling mud, bleaching earth, sludge from oil tanks, oil shale or the like, the mud being evaporated at a lower temperature than with conventional evaporation due to the fact that the ... | 09/26/1989 |
| 4863586 | Process for recovery of low-temperature carbonization oil In a first condensation stage (which is on the rising current end of the low-temperature carbonization drum and the equipment for which is integrated) quenching is done with a cooled low-temperature carbonization oil fraction containing solids. Simultaneo... | 09/05/1989 |
| 4790910 | Apparatus for extracting hydrocarbons from tar sands An apparatus and method for extracting hydrocarbons from tar sands. Stationary heater plates have a central opening therethrough through which a horizontal axle extends. Rotors having a central hub and a number of arms are splined on the axle, one closely... | 12/13/1988 |
| 4758331 | Low-sulfur fuels from coals Fine particles of solid fossil fuels are pyrolyzed by passage in a thin layer through a heating zone at successively higher temperatures in a non-oxidizing atmosphere while rapidly separating and removing volatile pyrolysis products. The resulting char ma... | 07/19/1988 |
| 4696734 | Method for gas treatment of a bed of particles An apparatus and method for gas treating a particle bed wherein a uniform temperature gradient is achieved. A support member, such as a grate, serves to support a bed of particles on a surface thereof. The support member is moved in a predetermined direct... | 09/29/1987 |
| 4692238 | Solvent extraction of organic oils and solvent recovery A process for recovery of organic oils and residues in association with inorganic solids by solvent extraction and for the recovery of solvent used for the extraction. The organic solvent extracted inorganic solids having remaining associated organic solv... | 09/08/1987 |
| 4687569 | Steam stripping process for solids separation in oil shale processing A process for separating solids from hydrocarbons in a slurry of hydrocarbonaceous solids and solvent is disclosed comprising atomizing the slurry, introducing and mixing the atomized slurry and superheated steam in a stripping zone, vaporizing the hydroc... | 08/18/1987 |
| 4659456 | Process of drying and heating oil-containing solids Oil-containing solids are dried and heated by contacting them in a drying zone with superheated steam admitted to the zone at a temperature in excess of 200° C. The heated solids may be distilled to remove hydrocarbons therefrom and the resulting procedu... | 04/21/1987 |
| 4652342 | Retorting process using an anti-bridging mechanical agitator A process for the destructive distillation of hydrocarbonaceous solids in a retort, wherein a viscous bridging zone comprising viscous liquids in intimate contact with solids, which tends to impede the flow of vaporized hydrocarbons and the flow of solid ... | 03/24/1987 |
| 4636300 | Integrated gas-phase hydrogenation process using heat recovered from sump-phase hydrogenation for temperature regulation Process for sump-phase hydrogenation with integrated gas-phase hydrogenation relevant parameters being adjusted so that an economical heat recovery for the entire system is achieved, despite increasing incrustation of the mash heat exchanger and the incre... | 01/13/1987 |
| 4592826 | Use of ethers in thermal cracking A process for improving the upgrading/conversion of hydrocarbonaceous materials such as coals, petroleum residual oils, shale oils and tar sand bitumens. In the process, the free radicals formed from thermal cracking of the hydrocarbons are reacted with t... | 06/03/1986 |
| 4585543 | Method for recovering hydrocarbons from solids A system is provided for recovering hydrocarbons from hydrocarbon-containing solids such as oil shale, tar sands or coal. The process includes preheating finely divided solids prior to introduction to a low residence time tubular reactor where a portion o... | 04/29/1986 |
| 4582590 | Solar heated oil shale pyrolysis process A bed (76, 202) of oil shale particles (10) are pyrolyzed in a retort (70, 200) by means of a heated carrier gas stream passing through a central conduit (54, 202) within the bed (76, 202) and then upwardly through a fixed bed (76) or fluidized bed (202) ... | 04/15/1986 |
| 4563264 | Method of dry distillation of volatile substances from mineral matter containing same The dry distillation of oil shale and like volatilizable materials as carried out by intimately mixing it with a fine-grain hot heat-transfer medium. According to the invention the hot distillation residue is passed in direct heat exchange with a cooling ... | 01/07/1986 |
| 4544478 | Process for pyrolyzing hydrocarbonaceous solids to recover volatile hydrocarbons Hydrocarbonaceous solids are pyrolyzed in a process employing a series of alternate pyrolysis zones and combustion zones preferably arranged along an incline. In particular, low grade hydrocarbonaceous solids are employed to supplement combustion in these... | 10/01/1985 |
| 4534849 | Method for aboveground separation, vaporization and recovery of oil from oil shale An improved retort process in which oil is recovered from crushed oil shale moved by gravity through a passageway of an elongated housing with an inlet for the crushed oil shale at the top end and an outlet for the spent crushed oil shale at the bottom en... | 08/13/1985 |
| 4533460 | Oil shale extraction process Hydrocarbon liquids are recovered from oil shale and other solids containing organic matter by passing a liquid organic solvent downwardly through an extraction zone in contact with said solids at an elevated pressure sufficient to maintain said solvent i... | 08/06/1985 |
| 4530752 | Oil shale retorting process Oil shale solids are pyrolyzed or retorted by contact with a non-oxidizing recycle gas in a first retorting zone to produce an effluent containing pyrolysis products and pyrolyzed oil shale solids. Liquid and gaseous product hydrocarbons are recovered fro... | 07/23/1985 |
| 4490237 | Process for recovering heat from the combustion of residual carbon in oil depleted shale As hot oil depleted shale from an indirect retorting process passes downward through a vertical shaft furnace, the residual carbon in the shale is burned out in the upper portion by air fed into the top of the furnace. The temperature of combustion is mod... | 12/25/1984 |
| 4477332 | Solubilization of carbonaceous material Pulverized carbonaceous material such as coal while flowing through a reactor dispersed in a carrier gas substantially transparent to radiant energy and at atmospheric pressure is heated, typically for a few milliseconds to about 1500° K., by thermal rad... | 10/16/1984 |
