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7591929 |
Oil sand processing apparatus and control system
An apparatus for processing oil sand to produce a liquid stream comprising water and bitumen and a solid stream comprising solid particles, and a method and control system for controlling the...
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7588682 |
Process and apparatus for enhanced recovery of oil from oily particulate material
An apparatus and process are described for processing oily particulate material. The process allows for recovery of the oil and separation of the water from the sand in the oily particulate...
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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,...
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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...
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7556715 |
Bituminous froth inline steam injection processing
An inline bitumen froth steam heater system is comprised of steam injection and static mixing devices. The steam heater system heats and de-aerates an input bitumen froth without creating...
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7540951 |
Integrated scheme of processes for extracting and treating an extra-heavy or bituminous crude
A process for preparation of synthetic crude from a deposit of heavy crude, comprises: (a) the extraction of heavy crude by technology using steam; (b) the separation of crude extract and water;...
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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...
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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...
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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...
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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...
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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...
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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)...
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7341658 |
Recovery of heavy minerals from a tar sand
A process for recovering heavy minerals (e.g., titanium minerals such as TiO 2 ) from a feedstock comprising tar sands or a tar sands-derived solids fraction. The feedstock comprises bitumen and...
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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...
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7294156 |
Integrated process for bitumen recovery, separation and emulsification for steam generation
The invention relates to a process for splitting bitumen into two fractions and rendering a heavier bottom fraction as a useable emulsion fuel. The process is particularly effective in creating an...
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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...
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7112311 |
Cooling method of hydrotreating plant and cooling unit therefor
A cooling method of a hydrotreating plant having a desulfurization section ( 1 ) including a furnace ( 12 ) for heating liquid to be processed, reactors ( 14, 15 ) for hydrotreating sulfur to...
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7090768 |
Surfactant for bitumen separation
A surfactant for separating bitumen from sand includes an aqueous solution of hydrogen peroxide contacted with low rank coal. The low rank coal is preferably lignite. The surfactant may be used to...
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7008528 |
Process and system for continuously extracting oil from solid or liquid oil bearing material
A process for continuously extracting oil from a solid or liquid oil-bearing material comprises (a) removing air from the extraction system, (b) introducing an inert gas into the extraction system...
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6811683 |
Production of diesel fuel from bitumen
A process for producing a diesel fuel stock from bitumen uses steam and a hydroisomerized diesel fraction produced by a gas conversion process, to respectively stimulate the bitumen production and...
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6746599 |
Staged settling process for removing water and solids from oils and extraction froth
Diluent-diluted bitumen froth containing bitumen and naphtha diluent, hydrocarbons, water, sand and fines (collectively “dilfroth”) is fed into a vapor-tight gravity settler (‘splitter’)...
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6712215 |
Method and apparatus for recovery of lost diluent in oil sands extraction tailings
A method of solvent recovery from oil sand extraction plant tailings, using 180 degree opposing steam-assisted accelerating nozzles, impacting on each other's high velocity jets, thus creating an...
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6709573 |
Process for the recovery of hydrocarbon fractions from hydrocarbonaceous solids
Process and apparatus for extraction of oil and hydrocarbons from crushed hydrocarbonaceous solids, such as oil shale, involving the pyrolyzing of the crushed solids with liquid hydrocarbon and syn...
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6549817 |
Method for regulating centrifuges for dehydrating wastewater sludge, using fuzzy logic
A process for regulating a centrifuge used for solid/liquid separation of sewage sludge commences by measuring the input variables of the operating point ot the centrifuge, the variables including ...
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6527960 |
Jet pump treatment of heavy oil production sand
A process for separating oily films from sand particles carried in a solvent free water stream includes the use of a jet pump scrubber in a density classification tank to treat such oily coated...
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6391190 |
Mechanical deaeration of bituminous froth
Aerated bitumen froth obtained from oil sands must be deaerated so that it can be pumped through a pipeline. Mechanical shearing is effective to deaerate bitumen froth to an air content of below 10...
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6383261 |
Process for management of industrial wastes
The present invention provides a process for the management of H 2 S containing gas streams and high alkalinity water streams in which process the H 2 S is selectively removed from the gas stream...
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6358404 |
Method for recovery of hydrocarbon diluent from tailing
A method for recovery of hydrocarbon diluent from tailings produced in a bitumen froth treatment plant comprises introducing the tailings into a steam stripping vessel maintained at near...
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6358403 |
Process for recovery of hydrocarbon from tailings
A process for recovery of hydrocarbon diluent from tailings produced in a bitumen froth treatment plant comprises introducing the tailings into a vacuum flash vessel maintained at a sufficiently...
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6319395 |
Process and apparatus for converting oil shale or tar sands to oil
The invention relates to a continuous process for producing synthetic crude oil from oil bearing material, e.g., oil shale or tar sand, through continuous process for producing synthetic crude oil...
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6214213 |
Solvent process for bitumen seperation from oil sands froth
A paraffinic solvent is mixed with bitumen froth containing water and solids. Sufficient solvent is added to induce inversion when the mixture is subjected to gravity or centrifugal forces. The...
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6207044 |
Solvent extraction of hydrocarbons from inorganic materials and solvent recovery from extracted hydrocarbons
A process for the solvent separation of hydrocarbons from tar sand or contaminated soils comprises extracting the hydrocarbons from the sand or soil in a solvent extraction means to form a...
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6153017 |
Treatment of soil contaminated with oil or oil residues
A method for removal of hydrocarbon materials from solid particulate soil contaminated with the hydrocarbon materials. The method comprises forming an aqueous slurry of a mixture of a hydrophobic...
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6110359 |
Method for extracting bitumen from tar sands
A method for extracting bitumen from crushed mined tar sands comprising contacting the mined tar sands with a solvent in the presence of sonic energy in the frequency range of 0.5 to 2.0 kHz....
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6074558 |
Biochemical treatment of bitumen froth tailings
A process for the biological treatment of bitumen froth tailings produced from a tar sands treatment and bitumen froth extraction process is disclosed. In this process bitumen froth tailings,...
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6074549 |
Jet pump treatment of heavy oil production sand
In a process for separating oily films from sand particles carried in a sent free water stream, the use of a jet pump scrubber in a density classification tank to treat such oily coated particles...
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6019888 |
Method of reducing moisture and solid content of bitumen extracted from tar sand minerals
Tar sand is upgraded to produce a hydrocarbon having a low concentration of water and solids by contacting a bitumen/diluent mix with an alkoxyalkylphenol alkoxylate surfactant prior to separation...
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6007709 |
Extraction of bitumen from bitumen froth generated from tar sands
A process for the extraction of bitumen from bitumen froth generated from tar sands is presented. In this process bitumen froth, extracted from tar sands using a water process not requiring the use...
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6007708 |
Cold dense slurrying process for extracting bitumen from oil sand
Average grade oil sand is mixed with water to produce a low temperature (20-35° C.), dense (1.4-1.65 g/cc) slurry. The slurry is pumped through a pipeline for sufficient time to condition it. Air...
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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...
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5985138 |
Tar sands extraction process
A hot water extraction process for extracting bitumen from tar sands is taught wherein the tar sand is conditioned using an alkali metal bicarbonate, an alkali metal carbonate and a liquid...
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5968349 |
Extraction of bitumen from bitumen froth and biotreatment of bitumen froth tailings generated from tar sands
A process for the extraction of bitumen from bitumen froth generated from tar sands is disclosed. In this process, bitumen froth is extracted from tar sands using a water process without requiring...
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5876592 |
Solvent process for bitumen separation from oil sands froth
A paraffinic solvent is mixed with bitumen froth containing water and solids. Sufficient solvent is added to induce inversion when the mixture is subjected to gravity or centrifugal forces. The...
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5846314 |
Process for treating a waste material resulting from an oil recovery from tar sands process
A method of treating a dilute aqueous suspension of solid particulate material comprising waste material from a process for recovering petroleum from oil sand includes diluting the suspension with...
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5795464 |
Conversion of the organic component from tar sands to lower boiling products
A process for the thermal conversion of the organic component associated with tar sands to lower boiling, higher value products. The conversion is achieved by subjecting the organic component...
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5795444 |
Method and apparatus for removing bituminous oil from oil sands without solvent
A system and method for immediately separating oil sands into three layers uses a logwasher with paddles that mixes the oil sands with hot water and steam. The three layers of bitumen,...
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5746909 |
Process for extracting tar from tarsand
Tar is separated and recovered from tarsands using an extraction process useful even in cold water which utilizes a liquid admixture of a high boiling alkane; e.g. naphtha, an anionic surfactant...
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5728202 |
Gilsonite modified, natural, hydrocarbon-enriched sand composition
Tar sand and Gilsonite are preferably crushed together so that the Gilsonite overcomes the stickiness of the tar sand and the tar sand alleviates Gilsonite dust, the relative proportions and the...
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5723042 |
Oil sand extraction process
A method for processing lumps of oil sand containing bitumen to produce a bitumen froth and non segregating tailings of a solid material and a sludge. The method includes depositing the lumps of...
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5690811 |
Method for extracting oil from oil-contaminated soil
A method for extracting oil from oil-contaminated soil containing 2 to 5 wt. % oil, comprising contacting the oil-contaminated soil with a solvent in the presence of sonic energy in the frequency...
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