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8096361 |
Stimulated oil production using reactive fluids
A method of stimulating production from a subterranean formation penetrated by a wellbore, comprising pumping a fluid from the well into the formation so as to create a hydraulic fracture. The...
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8002038 |
Liquid carbon dioxide cleaning of wellbores and near-wellbore areas using high precision stimulation
The invention relates to cleaning wellbores and the near wellbore areas adjacent to a hydrocarbon bearing formations and coal bed methane formations. In a particular aspect, the invention relates...
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7926561 |
Systems and methods for producing oil and/or gas
A system for producing oil and/or gas from an underground formation comprising a first array of wells dispersed above the formation; a second array of wells dispersed above the formation; wherein...
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7874363 |
Method for terminating or reducing water flow in a subterranean formation
A method of conditioning well bores and reducing the deleterious effects of water production in a subterranean formation by placing an aqueous phase polymer and/or resin, which at a designated set...
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7789164 |
Kerogen extraction from subterranean oil shale resources
The present invention is directed to methods for extracting a kerogen-based product from subsurface (oil) shale formations, wherein such methods rely on fracturing and/or rubblizing portions of...
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7753972 |
Portable apparatus for extracting low carbon petroleum and for generating low carbon electricity
The Portable Renewable Energy System for Enhanced Oil Recovery (“PRESEOR”) is a truck mobile system that reforms biomass into CO2 and hydrogen, following which the gases are separated, with the CO2...
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7730958 |
Method and apparatus to enhance hydrocarbon production from wells
This invention teaches methods and compositions to enhance oil and gas recovery from reservoirs. The methods and compositions disclosed enhance hydrocarbon recovery and fluid disposal in...
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7707013 |
Method for estimating minimum miscibility enrichment
A method for estimating minimum miscibility enrichment (MME) for an injectant used in gas flooding of a reservoir at a given operating pressure comprising performing a plurality of slim tube...
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7650939 |
Portable and modular system for extracting petroleum and generating power
An embodiment is a portable, modular apparatus, having one or more modules, for recovering oil from an oil well and generating electric power, and including a chassis to support a fuel reformer, a...
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7624801 |
Control system and method for controlling a hybrid petroleum extractor/power generator
A control system and control method for controlling a modular apparatus for extracting petroleum and/or generating electricity based on subsurface data as well as market prices of electricity...
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7303006 |
Method for improved vertical sweep of oil reservoirs
In a WAG flood oil is displaced from a subterranean formation by injecting water alternately with gas into a single injection completion per pattern. The ratio of water to gas injected is the WAG...
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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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7281590 |
Environmentally friendly method for generating energy from natural gas
The invention relates to an environmentally friendly method for generating energy from natural gas. Through the combustion of the natural gas with a mixture comprising substantially oxygen and CO2,...
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7261159 |
Perforating method
A method for perforating a wellbore comprises placing a perforating device in a cased wellbore that passes through a subterranean formation. The perforating device comprises at least one explosive...
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7172030 |
Applications of waste gas injection into natural gas reservoirs
Natural gas is produced from a reservoir above a bitumen reserve with minimal or no impact on concurrent or subsequent production of bitumen recovery techniques including SAGD. Greenhouse benefits...
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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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7100692 |
Tertiary oil recovery combined with gas conversion process
A process for the recovery of oil from a subsurface reservoir in combination with the production of liquid hydrocarbons from a hydrocarbonaceous stream involving: (i) separating an oxygen/nitrogen...
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6871707 |
In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the...
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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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6763886 |
In situ thermal processing of a coal formation with carbon dioxide sequestration
A coal formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a...
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6733573 |
Catalyst allowing conversion of natural gas hydrate and liquid CO2 to CO2 hydrate and natural gas
A method for recovering large volumes of hydrocarbon fuels, particularly methane (CH4), using commercially available reagents which are strongly water-soluble and soluble in liquid CO2 in the...
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6679326 |
Pro-ecological mining system
The invention comprises a high pressure fluid barrier forming an enclosure boundary with respect to overburden and floor strata separated by one or more production strata containing desirable...
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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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6439308 |
Foam drive method
A foam drive method for enhancing oil recovery efficiently is initiated by injecting into a subterranean oil-bearing formation, an aqueous polymer solution as a preceding-slug. This is followed by...
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6302204 |
Method of obtaining improved geophysical information about earth formations
The present invention provides a method for forming wellbores. In one method, one or more wellbores are drilled along preplanned paths based in part upon seismic surveys performed from the surface....
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6158517 |
Artificial aquifers in hydrologic cells for primary and enhanced oil recoveries, for exploitation of heavy oil, tar sands and gas hydrates
Artificial aquifers for hydrologic cells are used to recover hydrocarbons from carbonaceous formations. Artificial aquifers of a hydrologic cell for primary or enhanced oil recovery are constructed...
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6105672 |
Enhanced petroleum fluid recovery process in an underground reservoir
Enhanced (WAG type) oil recovery process in an underground reservoir uses forced injection, through one or more wells, alternately of fluid slugs and gas slugs, and recovery, through one or more...
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6016873 |
Hydrologic cells for the exploitation of hydrocarbons from carbonaceous formations
Fluid and/or heat are induced to flow from one natural or artificial undeound aquifer, which extends vertically, at an incline or horizontally, across a host-rock formation to a well....
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5871053 |
Method for improving oil recovery from a formation using hydrocarbon analysis of the fluid produced therefrom
The invention described here is a method for using produced fluid compositions to decide how to modify injection/production strategies in oil recovery processes that involve injection of...
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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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5711373 |
Method for recovering a hydrocarbon liquid from a subterranean formation
The invention disclosed herein is a method for producing oil from a reservoir after predetermining its residual oil saturation, Sorm. Such a method would displace a hydrocarbon fluid in a...
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5634520 |
Enhanced oil recovery process including the simultaneous injection of a miscible gas and water
An enhanced oil recovery process comprises of the at least periodic introduction of (i) a non-condensible gas preferably selected from among carbon dioxide, nitrogen, methane or mixtures thereof,...
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5632336 |
Method for improving injectivity of fluids in oil reservoirs
A method is provided for increasing the rate of injection of flooding fluids into injection wells. A slug of polar solvent or a mixture of polar solvent and non-aqueous flooding fluid is injected...
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5566756 |
Method for recovering methane from a solid carbonaceous subterranean formation
A method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation. In some embodiments, the invention provides for the disposal of a strongly adsorbing gaseous...
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5542474 |
Foam mixture for carbon dioxide drive oil recovery method
The invention is a foam method for improving conformance during a steam flood or carbon dioxide flood in a subterranean, oil-containing formation penetrated by at least one injection well and at...
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5531272 |
Low temperature underwater epoxy system for zone isolation, remedial cementing, and casing repair
A method for zone isolation or replacing a damaged or corroded casing with a solid plastic is described herein. A resin/curing agent mixture sufficient to form a hardened plastic or solid,...
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5513705 |
Foam mixture for steam and carbon dioxide drive oil recovery method
The invention is a foam method for improving conformance during a steam flood or carbon dioxide flood in a subterranean, oil-containing formation penetrated by at least one injection well and at...
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5410997 |
High performance automotive engine gasket and method of sealing a high performance engine
A method of sealing a high performance internal combustion engine with a head gasket having a fire ring comprising providing a groove in the head or block generally concentric with each said...
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5402847 |
Coal bed methane recovery
A process for producing methane from a subterranean coal bed by continuously injecting a carbon dioxide-containing gas into the coal bed and recovering displaced and desorbed methane from a...
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5381863 |
Cyclic huff-n-puff with immiscible injection and miscible production steps
A method of recovering hydrocarbons from a reservoir under an active waterflood or water drive by injecting a recovery fluid comprising carbon dioxide or nitrogen under immiscible conditions,...
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5363914 |
Injection procedure for gas mobility control agents
This invention relates to an improved method for recovering oil from a subterranean formation comprising sequentially injecting into the formation through an injection well in communication...
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5358563 |
In-situ silica cementation for profile control during steam injection
A method for controlling the profile of a formation where temperatures higher than 200° F. are encountered. Initially, an aqueous solution of an alkali metal hydroxide, ammonium hydroxide or ...
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5358564 |
In-situ cementation for profile control
A method and composition for controlling the profile of a formation where temperatures higher than 200° F. are encountered. An aqueous solution of an organoammonium silicate, alkali metal or ...
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5332036 |
Method of recovery of natural gases from underground coal formations
Methane is produced from a coal seam penetrated by an injection well and a gas production well by first introducing liquefied or gaseous carbon dioxide through the injection well and into the coal...
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5325920 |
Enhanced oil recovery from low permeability reservoirs using organosilicone surfactants
A method for enhanced oil recovery in a reservoir having a substantial silicon content where an organosilicone surfactant is co-injected with steam to generate a foam. The organosilicone surfactant...
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5285848 |
Method for improving the recovery of oil from a subterranean formation by solvent concentration grading
A method for increasing oil recovery from a subterranean formation, the method consisting essentially of injecting a slug of water equal in volume to at least about 20% of the hydrocarbon pore...
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5285563 |
Method of making a static electromagnetic inductor
An electromagnetic inductor for generating a rotating field for stirring the core of a metal casting while the core is still liquid, which metal casting is to be cooled by external water...
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5261490 |
Method for dumping and disposing of carbon dioxide gas and apparatus therefor
A method for dumping carbon dioxide gas into the ground of the sea bottom comprises injecting carbon dioxide gas into the ground of the sea bottom to fix the carbon dioxide gas in the ground of the...
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5258564 |
Process for producing aromatic compounds from C2-C6 aliphatic hydrocarbons using a hydrogen tolerant catalyst
A process for converting C2 to C6 aliphatic hydrocarbons to aromatics is described. The process uses a catalyst which contains a zeolite, an aluminum phosphate binder and a gallium component....
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5168927 |
Method utilizing spot tracer injection and production induced transport for measurement of residual oil saturation
A method is disclosed for providing sharp breakthrough of tracers in a two-well tracer test by injecting a relatively small volume of tracer at a high rate into a temporary injection well, and...
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