Class 208/390 - TAR SAND TREATMENT WITH LIQUID

Subclass of Class 208 - Mineral oils: processes and products
Definition: Subject matter in which tar sand is contacted with a liquid
No. of patents: 235
Last issue date: 04/03/2012

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Number	Title	Issue Date
8147680	Separating compositions A water-based separating composition for separating hydrocarbons from hydrocarbon-containing material includes at least about 71% by weight water, a hydrotropic agent, a dispersant having flocculating characteristics, a wetting agent, and at least one acid and at le...	04/03/2012
8147679	Process and system improvement for improving and recuperating waste, heavy and extra heavy hydrocarbons A continuous process for upgrading a heavy hydrocarbon includes the steps of: obtaining a heavy hydrocarbon; heating the heavy hydrocarbon; contacting the heavy hydrocarbon with a solvent at upgrading conditions so as to produce a first product comprising a mixture ...	04/03/2012
8147681	Separating compositions A water-based separating composition for separating hydrocarbons from hydrocarbon containing material includes at least about 73% by weight water, a hydrotropic agent, a dispersant having flocculating characteristics, at least one acid and at least one base in amoun...	04/03/2012
8114274	Method for treating bitumen froth with high bitumen recovery and dual quality bitumen production A process for removing contaminants, namely water and particulate solids, from hydrocarbon diluent-diluted bitumen froth (“dilfroth”) is provided to produce hydrocarbon diluent-diluted bitumen (“dilbit”), comprising subjecting the dilfroth to gravity settlin...	02/14/2012
8110095	Oil sand processing apparatus control system and method A control system for an oil sand processing apparatus and a method for controlling the apparatus. The apparatus includes a rotatable drum, an oil sand feed mechanism, a drive mechanism for rotating the drum, a first drum support and a second drum support. The contro...	02/07/2012
8101067	Methods for obtaining bitumen from bituminous materials Methods for obtaining bitumen from bituminous material. The methods may include a dissolution step where a first solvent is added to material comprising bitumen to dissolve the bitumen contained therein. The majority of the dissolved bitumen is then removed from the...	01/24/2012
8066870	Separation of tar from sand A system for separating hydrocarbons from a solid source including a primary separation tank including a first hydrocarbon removing device to remove hydrocarbons from a slurry of water and solids. Further, the system including a transfer device between the primary s...	11/29/2011
8062511	Primary froth recycle A process for extracting bitumen from oil sand, comprising: mixing oil sand with process water to produce an oil sand slurry containing bitumen, sand, water and entrained air; conditioning the oil sand slurry; optionally flooding the conditioned oil sand slurry with...	11/22/2011
8062512	Processes for bitumen separation Processes are provided for separating bitumen from oil sands and from other bitumen-containing compositions. ...	11/22/2011
7998342	Separation of tailings that include asphaltenes Various systems and methods are described that can be used as part of a process to separate bitumen from oil sands. The process may include adding a hydrocarbon solvent to a bitumen containing extract. The tailings from this process may contain a significant amount ...	08/16/2011
7985333	System and method of separating bitumen from tar sands Various methods and systems for obtaining bitumen from tar sands are disclosed. The disclosed methods and/or systems can be used to economically achieve a high degree of bitumen recovery from tar sands. The method may include a primary leaching or extraction process...	07/26/2011
7931800	Method for extraction of bitumen from oil sands using lime In a method for enhancing the efficiency of bitumen recovery from oil sands ore, CaO lime (or Ca(OH)2) is mixed into an oil sands ore-water slurry prior to or during the operation of slurry-based bitumen extraction processes. The lime is introduced at dos...	04/26/2011
7914670	Bituminous froth inline steam injection processing An inline bitumen froth steam heater system including steam injection and static mixing devices is provided. The system heats and de-aerates input bitumen froth without creating downstream processing problems with the bitumen froth such as emulsification or live ste...	03/29/2011
7909989	Method for obtaining bitumen from tar sands A method and a system for obtaining bitumen from tar sand are disclosed. The disclosed method can include two extraction steps, such as a first extraction step using a light aromatic solvent and a second extraction step using a volatile hydrocarbon solvent. The ligh...	03/22/2011
7867384	Apparatus, system, and method for separating bitumen from crude oil sands A method for separating bitumen from crude oil sands comprises subjecting crude oil sands to vibration selected to cause bitumen to separate from crude oil sands and filtering the separated bitumen from the crude oil sands. ...	01/11/2011
7867385	Separating compositions and methods of use Compositions and methods are provided for separating bitumen from oil sands in an efficient and environmentally acceptable manner, and for recovering residual bitumen from existing tailings ponds. ...	01/11/2011
7862709	Separating compositions and methods of use Compositions and methods are provided for separating bitumen from oil sands in an efficient and environmentally acceptable manner, and for recovering residual bitumen from existing tailings ponds. ...	01/04/2011
7807048	Thermal recovery of petroleum crude oil from tar sands and oil shale deposits A tar sand volatilizer system thermally removes petroleum crude oil from tar sands or shale oil. A series of heated augers or thermal screws are used to elevate material temperature gradually using conductive heat transfer. The thermal screws blades and auger case r...	10/05/2010
7785462	Separating compositions and methods of use Compositions and methods are provided for separating bitumen from oil sands in an efficient and environmentally acceptable manner, and for recovering residual bitumen from existing tailings ponds. ...	08/31/2010
7771588	Separatory and emulsion breaking processes The invention pertains to the use of a class of acetylenic surfactants to resolve or break water and oil emulsions. The surfactants are of particular advantage in resolving crude oil emulsions of the type encountered in desalter and similar apparatus designed to ext...	08/10/2010
7758746	Separating compositions and methods of use Compositions and methods are provided for separating bitumen from oil sands in an efficient and environmentally acceptable manner, and for recovering residual bitumen from existing tailings ponds. ...	07/20/2010
7749379	Separating compositions and methods of use Compositions and methods are provided for separating bitumen from oil sands in an efficient and environmentally acceptable manner, and for recovering residual bitumen from existing tailings ponds. ...	07/06/2010
7727385	Enhanced bitumen flotation A method and apparatus for recovering bitumen as froth from a feed stream having solids, water and bitumen is provided using a separating vessel having mounted thereon a downpipe assembly, the downpipe assembly having at least one downpipe and a nozzle in fluid comm...	06/01/2010
7727384	Bitumen recovery process for oil sand A bitumen recovery process is provided which includes the step of providing a bitumen froth or a component derived from the bitumen froth as a feed material, wherein the bitumen froth is produced in a primary separation process from a slurry comprising oil sand and ...	06/01/2010
7722759	Apparatus, system, and method for separating minerals from mineral feedstock An apparatus, system, and method are disclosed for separating minerals from mineral feedstock—for example bitumen from tar sand. The apparatus includes residence chambers for contacting solvent and tar sand. The solvent-tar sand contact occurs in at least two stag...	05/25/2010
7695612	Process for recovering heavy minerals from oil sand tailings A process is provided for recovering heavy minerals from aqueous oil sand tailings, the oil sand tailings having heavy minerals, other coarse solids such as silica, fines, residual bitumen and water, including desliming the oil sand tailings in a desliming means by ...	04/13/2010
7691260	Multifunctional multipolymeric surfactants for oil and bitumen recovery and other applications The present invention provides method for recovering fossil-based materials from oil sources using multifunctional, multipolymeric continuous composition spectrum surfactant mixtures. The invention also provides methods for reducing the loss of volatile organic comp...	04/06/2010
7691259	Separation of tar from sand A system for separating hydrocarbons from a solid source including a primary separation tank including a first hydrocarbon removing device to remove hydrocarbons from a slurry of water and solids. Further, the system including a transfer device between the primary s...	04/06/2010
7628909	Composition and process for the extraction of bitumen from oil sands The present invention provides a composition and method for separating bitumen from oil sands deposits. The invention includes a chemical composition having organic chemicals that can be used to stimulate the separation of one or more constituent components from oil...	12/08/2009
7585407	Processing asphaltene-containing tailings Embodiments of a method and a system for recovering energy, materials or both from asphaltene-containing tailings are disclosed. The asphaltene-containing tailings can be generated, for example, from a process for recovering hydrocarbons from oil sand. Embodiments o...	09/08/2009
7569137	Process and apparatus for treating tailings Processes and apparatus for the treatment of product streams from mineral processing operations, including the treatment of tailings which result from oil sand processing operations. The processes and apparatus relate to the recovery of a diluent solvent from bitume...	08/04/2009
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
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
7431830	Compact slurry preparation system for oil sand Staged crushing combined with water addition and mixing is practiced at the mine site to prepare an oil sand slurry ready for hydrotransport. More particularly, as-mined oil sand is crushed to conveyable size (e.g. —24″) using a mobile crusher. The pre-crushed o...	10/07/2008
7419585	Process for upgrading residua A process for upgrading a residua feedstock using a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. The residua feedstock is preferably atomized so that the Sauter mean diameter of the residua feedstock ...	09/02/2008
7399406	Processing of oil sand ore which contains degraded bitumen Methods are disclosed for identifying and treating oil sand ores having degraded bitumen. This can be done by considering the location from which the ore is mined or its history, or by microscopic examination of a bitumen froth made from the ore, or by near-infrared...	07/15/2008
7381320	Heavy oil and bitumen upgrading Disclosed is a process for the upgrading and demetallizing of heavy oils and bitumens. A crude heavy oil and/or bitumen feed is supplied to a solvent extraction process 104 wherein DAO and asphaltenes are separated. The DAO is supplied to an FCC unit 106	06/03/2008
7357857	Process for extracting bitumen Bitumen extraction done using a process comprising: (a) preparing a bitumen froth comprising particulate mineral solids and hydrocarbons dispersed in aqueous lamella in the form of an emulsion; (b) adding a sufficient amount of a paraffinic solvent to the froth to i...	04/15/2008
7341658	Recovery of heavy minerals from a tar sand A process for recovering heavy minerals (e.g., titanium minerals such as TiO2) from a feedstock comprising tar sands or a tar sands-derived solids fraction. The feedstock comprises bitumen and heavy minerals. The process comprises the steps of: (i) contac...	03/11/2008
7338593	Drilling fluid A drilling fluid for use in high oil viscosity formations containing tar, sand and oil entrained therein. The drilling fluid can be comprised of a polymer in an amount from between 0.05% and 5% by volume, a solvent in an amount from between 1% and 20% by volume and ...	03/04/2008

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Class 208/390 - TAR SAND TREATMENT WITH LIQUID