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7591309 |
Method for production of high pressure steam from produced water
An evaporation based method for generation of high pressure steam from produced water in the heavy oil production industry. De-oiled produced water is processed through a high pH/high pressure...
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7562708 |
Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and critical fluids
A closed loop system for increasing yield, reducing post process pollution, reducing energy consumed during and after extraction of fuels or contaminants in formations and for sequestering of...
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7559362 |
Downhole flow reversal apparatus
A water reinjection arrangement for a coal bed methane well to minimize water disposal problems at the well surface. Water is withdrawn by a motor driven pump from an upper coal seam through...
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7556095 |
Solution mining dawsonite from hydrocarbon containing formations with a chelating agent
A method for treating an oil shale formation comprising dawsonite includes providing heat from one or more heaters to the formation to heat the formation. Hydrocarbon fluids are produced from the...
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7467660 |
Pumped carbon mining methane production process
The invention is a continuous process for producing methane from an underground coal bed or an above ground carbon-containing resource using hydrogen as a recycling working fluid. For an...
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7455109 |
Water flooding method
A method of recovering hydrocarbons from a porous subterranean hydrocarbon-bearing formation comprising: (a) feeding a first stream comprising a high salinity water to a first side of a...
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7441603 |
Hydrocarbon recovery from impermeable oil shales
An economic method for in situ maturing and production of oil shale or other deep-lying, impermeable resources containing immobile hydrocarbons. Vertical fractures are created using horizontal or...
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7426959 |
Systems and methods for producing oil and/or gas
A system including a mechanism for recovering oil and/or gas from an underground formation, the oil and/or gas comprising one or more sulfur compounds; a mechanism for converting at least a portion...
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7363973 |
Method and apparatus for stimulating heavy oil production
A process for the recovery of hydrocarbons from a hydrocarbon bearing formation having an extraction chamber where the extraction chamber has an extraction surface. The process has the steps of...
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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...
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7299868 |
Method and system for recovery of hydrocarbons from a hydrocarbon-bearing information
A method and system for recovery of hydrocarbons from a hydrocarbon-bearing formation. A gaseous component of the produced hydrocarbon-containing fluid is separated from the fluid. The gaseous...
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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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7290608 |
Method and system for pumping in an oil well
An effluent pumping method and system include a pump having a rotor and a stator, the rotor being fastened by a first end to a tubular driving string; a device for driving the string into rotation;...
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7204314 |
Fluid removal from gas wells
A method of removing produced fluid from a well producing both gas and liquid comprises utilising produced gas flowing from a formation to power a produced liquid pump. The produced liquid from the...
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7168488 |
Method and plant or increasing oil recovery by gas injection
A method and a plant for simultaneous production of a gas for injection into an oil field and production of methanol, dimethyl ether and/or other oxygenated hydrocarbons or production of higher...
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7150320 |
Water treatment method for heavy oil production
A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. If necessary, the pH is then...
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7128150 |
Acid gas disposal method
This invention is method of recovering gas from a gas-bearing subterranean formation in which gas is produced from an upper portion of the formation and a waste gas is injected into a lower portion...
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7096942 |
In situ thermal processing of a relatively permeable formation while controlling pressure
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be...
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7093655 |
Method for the recovery of hydrocarbons from hydrates
A method for recovering hydrocarbon trapped in a hydrate formation, comprising the steps of (a) contacting the hydrate formation with an aqueous solution comprising from 10% to 75% by weight of a...
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7093661 |
Subsea production system
Methods and arrangements for production of petroleum products from a subsea well. The methods comprise control of a downhole separator, supplying power fluid to a downhole turbine/pump hydraulic...
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7077199 |
In situ thermal processing of an oil reservoir formation
An in situ process for treating an oil containing formation is provided. The process may include providing heat from one or more heaters to at least a portion of the formation. The heat may be...
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7040398 |
In situ thermal processing of a relatively permeable formation in a reducing environment
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be...
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7017661 |
Production of synthesis gas from a coal formation
A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the...
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6991033 |
In situ thermal processing while controlling pressure in an oil shale formation
An oil shale formation may be treated using an in situ thermal process. Heat may be provided to the treatment area. Heat may be allowed to transfer from at least one heat source to a section of the...
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6923258 |
In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be...
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6860147 |
Process for predicting porosity and permeability of a coal bed
A method for predicting the secondary porosity system (SPS) porosity, and thereby permeability, of a coal bed involves determining an initial condition in the coal bed, including an initial SPS...
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6838006 |
Oil field separation facility control system utilizing total organic carbon analyzer
An oil field separation facility utilizing a total organic carbon analyzer to help maintain consistently acceptable levels of oil and water separation. The facility separates a produced oil and...
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6820689 |
Method and apparatus for generating pollution free electrical energy from hydrocarbons
The present invention relates to the generation of substantially pollution free energy by utilizing hydrocarbons to create electrical energy for interconnection to local transmission lines...
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6755251 |
Downhole gas separation method and system
The invention is a method and system of separating a multi-component fluid in a wellbore. At least one fluid separation membrane comprising a feed side and a permeate side is incorporated in the...
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6739394 |
Production of synthesis gas from a hydrocarbon containing formation
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be...
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6719047 |
In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be...
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6712135 |
In situ thermal processing of a coal formation in reducing environment
A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the...
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6672387 |
Oil and gas production with downhole separation and reinjection of gas
A system (SPARC) for producing a mixed gas-oil stream wherein gas is to be separated and compressed downhole in a turbine-driven compressor before the gas is injected into a subterranean formation....
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6609895 |
Carbon dioxide pump, pumping system, and method of controlling the same
There is disclosed a pump and pumping system for pumping dense phase gases, specifically for injecting carbon dioxide into an oil or gas reservoir that includes a pump, a motor, and a casing in...
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6543537 |
Method and apparatus for producing an oil reservoir
A method for producing an oil reservoir, comprising establishing an oil producing well, producing a production fluid containing oil and water, transporting the production fluid to a downhole...
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6505683 |
Process for purification by combination of an effluent that contains carbon dioxide and hydrocarbons
For the purification of an effluent that contains carbon dioxide and hydrocarbons resulting from a carbon dioxide-assisted recovery stage, the effluent is circulated in a gas-liquid separator (3)...
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6357525 |
Method and apparatus for testing a well
A test system and method for testing a well having a first and second zone includes a chamber and an isolation device moveable in the chamber. The isolation device separates a first and a second...
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6325147 |
Enhanced oil recovery process with combined injection of an aqueous phase and of at least partially water-miscible gas
Process intended for enhanced recovery of a petroleum fluid by combined injection of an aqueous phase saturated with acid gases. The process esentially consists in continuously injecting, into the...
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6318464 |
Vapor extraction of hydrocarbon deposits
An improved method for the recovery of hydrocarbons from a hydrocarbon deposit comprising the steps of introducing a diluent gas along a predominantly horizontal injection well drilled at the base...
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6279658 |
Method of forming and servicing wellbores from a main wellbore
The present invention provides methods for forming multiple wellbores from a single location. A relatively large diameter main wellbore is drilled to a known depth. A plurality of spaced apart...
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6209641 |
Method and apparatus for producing fluids while injecting gas through the same wellbore
Method and apparatus for producing a first zone through a wellbore while simultaneously injecting gas into a second zone through the same wellbore. The production stream is produced to the surface...
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6207808 |
Catalytic method for the preparation of lignin phenol surfactants in organic solvents
A method of making surfactants from lignin is disclosed by reducing lignin in the presence of a metal oxide or iron based catalyst in an organic hydrogen donor solvent to produce lignin phenol and...
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6202744 |
Oil separation and pumping system and apparatus
A system for separating fluids of differing densities includes a pair of pumps interconnected to and driven by a motor positioned therebetween. The pumps each have intake ends, distal second ends,...
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6196313 |
Method and apparatus for hydrocarbon production and reservoir water disposal
A system for hydrocarbon production and water disposal utilizing a displacement liquid having a specific gravity less than that of water and immiscible with water. One embodiment of the apparatus...
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6123149 |
Dual injection and lifting system using an electrical submersible progressive cavity pump and an electrical submersible pump
The present invention relates to an apparatus and method for selectively lifting produced fluids, including produced hydrocarbons and a portion of produced water, to a ground surface while...
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6092600 |
Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible pump and associate a method
The present invention relates to an apparatus and method for selectively lifting produced fluids, including produced hydrocarbons and a portion of produced water, to a ground surface while...
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6048462 |
Waste component removal from crude oil or gas
A method is provided of reducing an amount of a waste component present in a hydrocarbon fluid produced from an earth formation via a wellbore formed in the earth formation, the hydrocarbon fluid...
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6032737 |
Method and system for increasing oil production from an oil well producing a mixture of oil and gas
A method and system for increasing oil production from an oil well producing a mixture of oil and gas at an elevated pressure through a wellbore penetrating an oil-bearing formation containing an...
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5778977 |
Gravity concentrated carbon dioxide for process
This invention relates to the recovery of oil from an oil-bearing formation having a natural fracture network with substantial vertical communication and wherein gravity drainage is the primary...
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5769165 |
Method for increasing methane recovery from a subterranean coal formation by injection of tail gas from a hydrocarbon synthesis process
A method for increasing the production of methane from a subterranean coal formation penetrated by an injection well and a production well by producing methane from the coal formation via the...
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