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8176980 |
Method of gas-cap air injection for thermal oil recovery
A method for producing bitumen or heavy oil from a subsurface oil sands reservoir, the subsurface oil sands reservoir and an overlying gas zone in fluid communication, the method includes providing...
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8176982 |
Method of controlling a recovery and upgrading operation in a reservoir
A method and system of generating a range of petroleum products from bitumen or heavy oil reservoir by installing wells from a combination of surface and underground well-head platforms while...
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8173016 |
Mechanical flotation device for reduction of oil, alkalinity and undesirable gases
A mechanical vessel may effectively and simultaneously displace a first undesired gas from within water with a second desired gas, and remove at least one alkaline species and oily matter from the...
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8167041 |
Apparatus and method for energy-efficient and environmentally-friendly recovery of bitumen
A system and method for energy-efficient and environmentally-friendly recovery of bitumen aims at recovering unconventional oil in an environmentally friendly and sustainable way that has the...
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8167040 |
In situ combustion in gas over bitumen formations
The invention provides methods for natural gas and oil recovery, which include the use of air injection and in situ combustion in natural gas reservoirs to facilitate production of natural gas and...
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8151881 |
Permeability flow balancing within integral screen joints
A SAGD system in a formation including a heated fluid injection well having a tubular including permeability control, one or more open hole anchors restricting thermal growth of the tubular and one...
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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...
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8141636 |
Method and system integrating thermal oil recovery and bitumen mining for thermal efficiency
Thermal oil recovery operations, such as SAGD, result in waste heat that is typically released to the environment. Bitumen mining operations require heat input for heating fluids used in the mining...
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8132624 |
Permeability flow balancing within integral screen joints and method
A method for uniform heating of a formation including applying a high temperature fluid to a tubular located within an open hole formation borehole; modifying a permeability of the tubular along...
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8127843 |
Solidification of residuals from water treatment systems in heavy oil recovery operations
Solidification of water treatment wastewater brines from oil production operations. Concentrated wastewater brines from water treatment systems in heavy oil recovery operations are converted to...
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8118096 |
Diluent-enhanced in-situ combustion hydrocarbon recovery process
A modified process for recovering oil from an underground reservoir using the an in situ combustion process. A diluent, namely a hydrocarbon condensate, is injected within a separate wellbore, or...
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8113281 |
Method and apparatus for in situ extraction of bitumen or very heavy oil
A method to extract bitumen or very heavy oil in situ from oil sand seams close to the Earth's surface is provided. Energy is introduced via at least two pipes at a given, repeatable distance from...
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8091636 |
Method for increasing the recovery of hydrocarbons
Methods for increasing the recovery of hydrocarbons from a subterranean reservoir. A method may include the steps of injecting a first fluid into a first horizontal well in the reservoir by a first...
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8091632 |
Method and device for the in-situ extraction of a hydrocarbon-containing substance from an underground deposit
A device for the in-situ extraction of a hydrocarbon-containing substance, while reducing the viscosity thereof, from an underground deposit, has at least one injection pipeline extending in the...
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8056624 |
In Situ heavy oil and bitumen recovery process
The present invention is directed to an in situ reservoir recovery process that uses a horizontal well located near the top of a reservoir and an inclined production well to extract bitumen or...
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8056627 |
Permeability flow balancing within integral screen joints and method
A borehole system having a permeability controlled flow profile including a tubular string; one or more permeability control devices disposed in the string; and the plurality of permeability...
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8047287 |
Process for recovering heavy oil utilizing one or more membranes
An oil recovery process utilizes one or more membranes to remove silica and/or oil from produced water. In one method, the process includes separating oil from produced water and precipitating...
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8025101 |
Cyclic steam stimulation method with multiple fractures
A cyclic steam soak (CSS) stimulation method for producing heated hydrocarbons from a viscous hydrocarbon-containing formation comprises the steps of: a) drilling a well (1) having a substantially...
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7984759 |
Diluent-enhanced in-situ combustion hydrocarbon recovery process
A modified process for recovering oil from an underground reservoir using the toe-to-heel in situ combustion process. A diluent, namely a hydrocarbon condensate, is injected within a horizontal...
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7975763 |
Process for enhanced production of heavy oil using microwaves
A process for utilizing microwaves to heat H2O within a subterranean region wherein the heated H2O contacts heavy oil in the subterranean region to lower the viscosity of the heavy oil and improve...
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7946342 |
In situ generation of steam and alkaline surfactant for enhanced oil recovery using an exothermic water reactant (EWR)
A method for oil recovery whereby an exothermic water reactant (EWR) encapsulated in a water soluble coating is placed in water and pumped into one or more oil wells in contact with an oil bearing...
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7938183 |
Method for enhancing heavy hydrocarbon recovery
Amines or ammonia and amines may be used to enhance recovery of heavy hydrocarbons. The amines or ammonia and amines alone or with water, steam or an oil solvent are combined with the heavy...
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7934549 |
Passive heating assisted recovery methods
A method for producing hydrocarbons from a region having adjacent strata divided by an impermeable or partially permeable barrier and, wherein at least one of the strata contains hydrocarbons,...
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7931080 |
Method and system for extraction of hydrocarbons from oil sands
A system and method for extracting hydrocarbon products from oil sands using nuclear energy sources for power to decrease the viscosity of bitumen in oil sands deposits and provide sufficient heat...
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7931083 |
Integrated system and method for steam-assisted gravity drainage (SAGD)-heavy oil production to produce super-heated steam without liquid waste discharge
A method and system for producing steam for extraction of heavy bitumen including the steps of mixing carbon or hydrocarbon fuel. The fuel is crude oil, vacuum residue, asphaltin, petcoke or coal....
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7909094 |
Oscillating fluid flow in a wellbore
A system for oscillating compressible working fluid in a wellbore defined in a subterranean formation includes a fluid supply and a fluid oscillator device. The fluid supply communicates...
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7909098 |
Process for recovering heavy oil utilizing one or more membranes
An oil recovery process utilizes one or more membranes to remove silica and/or oil from produced water. In one method, the process includes separating oil from produced water and precipitating...
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7905283 |
Process for removing silica in heavy oil recovery
A process for recovery oil includes recovering an oil/water mixture from an oil well. Thereafter, the method includes separating oil from the oil/water mixture to produce an oil product and...
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7900701 |
In situ combustion in gas over bitumen formations
The invention provides methods for natural gas and oil recovery, which include the use of air injection and in situ combustion in natural gas reservoirs to facilitate production of natural gas and...
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7891427 |
System and method for management of steam flooding for oil wells
The invention includes a method for determining a steam injection schedule for a set of subsurface formation subsurface regions of an oil field, the method including the steps of determining a...
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7866386 |
In situ oxidation of subsurface formations
Methods and systems for treating a hydrocarbon containing formation described herein include providing heat to a first portion of the formation from a plurality of heaters in the first portion,...
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7849921 |
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. Pretreated produced water is...
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7849922 |
In situ recovery from residually heated sections in a hydrocarbon containing formation
Methods of treating a tar sands formation is described herein. The methods may include providing heat to a first section of a hydrocarbon layer in the formation from a plurality of heaters located...
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7845406 |
Enhanced oil recovery system for use with a geopressured-geothermal conversion system
A system and series of methods, which utilize Geopressured-Geothermal (GPGT) energy for the enhanced recovery of formation crude oil. The system is designed to interface with a conversion system...
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7841407 |
Method for treating a hydrocarbon containing formation
Methods of generating subsurface heat for treating a hydrocarbon containing formation are described herein. The methods include providing a stream that includes water to a plurality of wellbores....
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7841408 |
In situ heat treatment from multiple layers of a tar sands formation
A method for treating a tar sands formation is disclosed. The method includes providing a drive fluid to a first hydrocarbon containing layer of the formation to mobilize at least some hydrocarbons...
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7832482 |
Producing resources using steam injection
A system for producing fluids from a subterranean zone comprises a tubing string disposed in a well bore, the tubing string adapted to communicate fluids from the subterranean zone to a ground...
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7819190 |
Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
A system for production of petroleum from an earth formation includes: an injection assembly disposable within a first borehole for injecting a first thermal source into the formation, the...
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7814968 |
Gravity drainage apparatus
A hydrocarbon production apparatus comprises an injection well, perforated casing, hydrocarbon viscosity reducing fluid injection tubing, a first wellbore restrictor, and a production well. The...
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7798220 |
In situ heat treatment of a tar sands formation after drive process treatment
A method for treating a tar sands formation includes providing a drive fluid to a hydrocarbon containing layer of the tar sands formation to mobilize at least some hydrocarbons in the layer. At...
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7784533 |
Downhole combustion unit and process for TECF injection into carbonaceous permeable zones
A downhole combustion unit for creating a high temperature, high pressure, thermal energy carrier fluid or TECF inside a drill hole, which can be injected into a hydrocarbon, permeable zone for...
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7780152 |
Direct combustion steam generator
A method and apparatus for generating steam by heating water with a flame is provided. The water is introduced into a vortex sustaining container and flows through the container in a spiraling...
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7779914 |
Process for producing heavy oil
A process for emulsifying and burning a portion of heavy oil extracted from an underground reservoir, wherein the emulsified heavy oil is burned to generate steam and a caustic is used to aid in...
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7740065 |
Process to upgrade whole crude oil by hot pressurized water and recovery fluid
A process for upgrading whole crude oil utilizing a recovery fluid, depressurizing an extracted whole crude oil/recovery fluid mixture in a step-wise fashion, and subsequently contacting at least a...
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7735554 |
System and method for recovery of fuel products from subterranean carbonaceous deposits via an electric device
A system for gasification of carbonaceous deposits below the ground surface comprising: an injection well assembly comprising one end positioned at the ground surface and the opposite end of the...
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7730947 |
Creating fluid injectivity in tar sands formations
Methods for treating a tar sands formation are described herein. Methods for treating a tar sands may include heating a portion of a hydrocarbon layer in the formation from one or more heaters...
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7730946 |
Treating tar sands formations with dolomite
Methods for treating a tar sands formation are described herein. The tar sands formation may include dolomite and hydrocarbons. Methods may include providing heat at less than the decomposition...
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7717175 |
Methods of improving heavy oil production
The invention provides an improved method for extracting heavy oil or bitumen contained in a reservoir. The invention involves directing the formation of a solvent fluid chamber through the...
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7717171 |
Moving hydrocarbons through portions of tar sands formations with a fluid
A method for treating a tar sands formation is disclosed. The method includes heating a first portion of a hydrocarbon layer in the formation from one or more heaters located in the first portion....
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7703519 |
Combined hydrogen production and unconventional heavy oil extraction
A method of producing hydrogen and extracting heavy oil from underground reserves is provided. This method includes providing a carbon monoxide source stream and a water vapor stream to a first...
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