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| Number | Title | Issue Date |
| 7438807 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 10/21/2008 |
| 7438189 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process An apparatus for separating bitumen from a bitumen froth output of a oil sands hot water extraction process comprises an inclined plate separator (IPS) for providing a first bitumen separation stage and a cyclone for providing a second bitumen separation stage. The ... | 10/21/2008 |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 7153688 | Rock assay for predicting oil or gas in target reservoirs The present invention relates to assays for ascribing catalytic activity to rock samples by virtue of zero-valent transition metals potentially being present within the sample. Embodiments of the present invention are generally directed to novel assays for measuring... | 12/26/2006 |
| 7141162 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 11/28/2006 |
| 6183629 | Process for producing petroleum residuum-water slurry Use is made of a high-speed agitator comprising vessel 2 rotated at a low speed and bladed agitating element 3 rotated at a high speed in direction reverse to that of the vessel 2, the bladed agitating element 3 having a rotary axis arranged parallel to, ... | 02/06/2001 |
| 6054043 | Process for the hydrogenation of hydro-carbonaceous materials (Carb-Mat) for the production of vaporizable products A process for the reductive hydrogenation of insufficiently hydrogenated, non-volatile carbonaceous materials to produce vaporizable products wherein the feed materials are brought into initial solution under pressure 300-500° C. with or without the addi... | 04/25/2000 |
| 6004455 | Solvent-free method and apparatus for removing bituminous oil from oil sands A sand/liquid separator provides for the conditioning of oil sands. Clean sand is separated from the ore and discharged for use as backfill. The sand/liquid separator machine includes horizontal shafts with paddles that act on a fluidized bed. The overall... | 12/21/1999 |
| 5955036 | Process and apparatus for the agglomeration of hydrolytically sensitive substances by means of steam In the process for the agglomeration of slightly soluble and hydrolytically sensitive substances, a powder of the slightly soluble substance is conducted, together with at least one water-soluble binder, in free fall through a steam atmosphere at temperat... | 09/21/1999 |
| 5917102 | Device for depolymerizing used and waste plastics The invention relates to a device for depolymerizing used and waste plastics, comprising a closed reactor and a circulation system the mildly heating of the reactor contents connected to the reactor, as well as to a process for depolymerizing used and was... | 06/29/1999 |
| 5653865 | Method and apparatus for recovering the fuel value of crude oil sludge A method and apparatus for converting crude oil tank bottoms to a liquid fuel, which uses a powered cutting tool to break up crude oil sludge contained in an oil storage tank bottom, with injection of cutter stock to facilitate break up of the sludge, an ... | 08/05/1997 |
| 5228982 | Liquefaction of decarboxylated carbonaceous solids A composition consisting essentially of a carbonaceous solid containing at least one carboxyl group is heated with subcritical liquid water at decarboxylation conditions including a temperature of at least about 300° F. to substantially decarboxylate the... | 07/20/1993 |
| 5192422 | Oil shale beneficiation process using a spiral separator A stream containing kerogen-rich and mineral-rich oil shale particles flow in a downward helical course such that the stream is confined in a manner to give the stream an outer and upper side having a first depth and comprising a substantial amount of sai... | 03/09/1993 |
| 5186820 | Process for separating bitumen from tar sands A process for separating bitumen from tar sands, which comprises: a) agitating a mixture of tar sand with substantially coarse clean sand at ambient or below ambient temperature in the presence of water, so as to mechanically shear bitumen and enhance the... | 02/16/1993 |
| 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 |
| 5092984 | Pyrolysis of coal A method for mild gasification of crushed coal in a single vertical elongated reaction vessel providing a fluidized bed reaction zone, a freeboard reaction zone, and an entrained reaction zone within the single vessel. Feed coal and gas may be fed separat... | 03/03/1992 |
| 5091076 | Acid treatment of kerogen-agglomerated oil shale A kerogen-agglomerated oil shale is contacted with an acid-containing solution prior to economically upgrade the oil shale prior to retorting. The kerogen is agglomerated by contacting the oil shale with a two phase mixture of an organic liquid and water ... | 02/25/1992 |
| 5066325 | Cogeneration process for production of energy and iron materials, including steel A process and arrangement are provided for the efficient generation of energy from coal, while at the same time providing for a relatively inexpensive step in processing of iron or steel, and the extraction of valuable materials such as oils from coal. An... | 11/19/1991 |
| 5055131 | Cogeneration process for production of energy and iron materials A process and arrangement are provided for the efficient generation of energy from coal, while at the same time providing for a relatively inexpensive step in processing of iron or steel, and the extraction of valuable materials such as oils from coal. An... | 10/08/1991 |
| 5045112 | Cogeneration process for production of energy and iron materials, including steel A process and arrangement are provided for the efficient generation of energy from coal, while at the same time providing for a relatively inexpensive step in processing of iron or steel, and the extraction of valuable materials such as oils from coal. An... | 09/03/1991 |
| 5015366 | Process and apparatus for coal hydrogenation In a coal liquefaction process an aqueous slurry of coal is prepared containing a dissolved liquefaction catalyst. A small quantity of oil is added to the slurry and then coal-oil agglomerates are prepared by agitation of the slurry at atmospheric pressur... | 05/14/1991 |
| 5009770 | Simultaneous upgrading and dedusting of liquid hydrocarbon feedstocks A process of concurrently dedusting and upgrading particulate laden raw, whole retort oil is provided which comprises the steps of: retorting solid hydrocarbon-containing material such as oil shale to liberate an effluent stream of dust laden hydrocarbons... | 04/23/1991 |
| 4978369 | Process for feeding carbonaceous material into reaction spaces Disclosed is a process for feeding carbonaceous materials into pressurized reaction spaces where partial oxidation or hydrogenation occurs. The feed is compressed into a strand material in a rotable screw conveyor which strand is disintegrated by fluid me... | 12/18/1990 |
| 4963250 | Kerogen agglomeration process for oil shale beneficiation using organic liquid in precommunication step In a kerogen agglomeration process, the oil shale is pretreated by comminuting the oil shale in the presence of an added organic liquid prior to contacting the oil shale with an added organic liquid and water to form kerogen-rich agglomerates and mineral-... | 10/16/1990 |
| 4946597 | Low temperature bitumen recovery process A low temperature process for separating bitumen from tarsands comprises slurrying tarsands in water at a temperature in the range of above about freezing to 35° C., preferably in the range of 2° to 15° C., mixing said aqueous slurry with a conditionin... | 08/07/1990 |
| 4935036 | Flash hydropyrolysis of bituminous coal A process is described for the flash pyrolysis of a high rank caking coal in a pyrolysis chamber in which the coal passes through a tacky state during flash pyrolysis. According to the novel feature, before entering the pyrolysis chamber, the particles of... | 06/19/1990 |
| 4886521 | Decaking of coal or oil shale during pyrolysis in the presence of iron oxides A method for producing a fuel from the pyrolysis of coal or oil shale in the presence of iron oxide in an inert gas atmosphere. The method includes the steps of pulverizing feed coal or oil shale, pulverizing iron oxide, mixing the pulverized feed and iro... | 12/12/1989 |
| 4874393 | Method of producing fuel of relatively higher calorific value from low rank and oxidized coal Low-rank or oxidized coal is processed to produce fuel of relatively higher calorific value by conditioning a slurry of the coal with an electrolyte, and then agglomerating the carbonaceous portion of the coal using a coal derived agglomerating oil. Agglo... | 10/17/1989 |
| 4869727 | Production of hardened coal agglomerates A system for the production of hardened coal agglomerates comprising a first pump (P1) for pumping a coal-water slurry and a predetermined quantity of oil or other suitable hydrophobic liquid into an agitated mixing tank (1), a second pump (P2) for pumpin... | 09/26/1989 |
| 4735706 | Process and apparatus for coal hydrogenation In a coal liquefaction process an aqueous slurry of coal is prepared containing a dissolved liquefaction catalyst. A small quantity of oil is added to the slurry and then coal-oil agglomerates are prepared by agitation of the slurry at atmospheric pressur... | 04/05/1988 |
| 4701263 | Use of amine neutralized sulfonated polystyrenes for particle flocculation A process for flocculating solid fines from a solution comprising said solid fine and an organic liquid which comprises the steps of: (a) adding with mixing about 5 to about 10,000 ppm of an unneutralized or neutralized sulfonated polystyrene to said solution;... | 10/20/1987 |
| 4696750 | Flocculation of particles by polymers that precipitate out of solution A process for flocculating solid fines from a solution comprising said solid fines and an organic liquid which comprises the steps of: (a) adding with mixing about 100 to about 500 ppm of an unneutralized or neutralized sulfonated polystyrene to said solu... | 09/29/1987 |
| 4695372 | Conditioning of carbonaceous material prior to physical beneficiation A carbonaceous material such as coal is conditioned by contact with a supercritical fluid prior to physical beneficiation. The solid feed material is contacted with an organic supercritical fluid such as cyclohexane or methanol at temperatures slightly ab... | 09/22/1987 |
| 4648962 | Method of breaking down chemisorption bond of clay-containing heavy oil water emulsions Persistent chemisorption bonds of clay solids in clay-containing heavy oil and water emulsions, from oil sands, heavy oil or conventional oil wells, are broken down by mixing the emulsion with an aqueous mixture of coal particles so that the mixture has a... | 03/10/1987 |
| 4601812 | Oil shale retorting process A oil shale retorting process in which oil shale particles are separated into fines and large particles. The large particles are preheated and combined with hot spent shale from a combustor and introduced into a retorting vessel. The fines are introduced ... | 07/22/1986 |
| 4589973 | Process for recovering oil from raw oil shale using added pulverized coal A continuous process for recovering oil from raw oil shale using a new integrated hydropyrolysis/thermal pyrolysis technique and involving the addition of pulverized coal which produces oil which is more characteristic of typical crude oil, as well as pro... | 05/20/1986 |
| 4587006 | Process for recovering shale oil from raw oil shale A continuous process for recovering shale oil from raw oil shale using a new integrated hydropyrolysis/thermal pyrolysis technique which produces high yields of improved quality liquid hydrocarbon products and has unusually low heat and energy requirement... | 05/06/1986 |
| 4576708 | Beneficiation of shale kerogen and its conversion into shale oil A process for the production and the conversion of shale kerogen to produce shale oil. The process includes grinding crushed shale into a first product and treating the first product with a first collector. The treated first product is introduced into a f... | 03/18/1986 |
| 4575381 | Formation of disperse-slurry of coal liquefaction residue The problem of creaming during formation of disperse-slurry of coal liquefaction residue by ball milling with water is eliminated by use, as an anti-creaming additive, of a quaternary amine such as tallow trimethyl ammonium chloride.... | 03/11/1986 |
| 4575380 | Formation of disperse-slurry of H-coal residue The problem of creaming during formation of disperse-slurry of H-coal residue by ball milling with water is eliminated by use, as an anti-creaming additive, of the triethanolamine salt of dodecylbenzene sulfonic acid.... | 03/11/1986 |
