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Class 166/59 - Burner in well


Subclass of Class 166 - Wells
Definition: Devices comprising means for burning fuel in the well, the
No. of patents: 110
Last issue date: 01/10/2012


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NumberTitleIssue Date
4442898Downhole vapor generator
Disclosed is a method and apparatus for generating high pressure steam within a well bore for facilitating recovery of hydrocarbon deposits. The steam vapor generator is constructed for receiving high pressure water, fuel and oxidant in a downhole positio...
04/17/1984
4425967Ignition procedure and process for in situ retorting of oil shale
An in situ process and ignition procedure are provided to retort oil shale which increases product yield and enhances uniformity of the flame front in an underground retort. In the process, a portion of the rubblized mass of oil shale is preheated with st...
01/17/1984
4421163Downhole steam generator and turbopump
An oil recovery system comprising a downhole steam generator 24, a pump 32 and a turbine 36 operable by said steam generator 24 to drive said pump 32....
12/20/1983
4411618Downhole steam generator with improved preheating/cooling features
An apparatus for downhole steam generation employing dual-stage preheaters for liquid fuel and for the water. A first heat exchange jacket for the fuel surrounds the fuel/oxidant mixing section of the combustor assembly downstream of the fuel nozzle and c...
10/25/1983
4401159Jet engine pump and downhole heater
A pumping system (10) is disclosed for pumping a fluid (14) from within a borehole (12) to the surface. A combustion engine (18) is employed to drive a pump comprising a pump barrel (28) and an auger pump shaft (32). The pumped fluid is carried from the b...
08/30/1983
4397356High pressure combustor for generating steam downhole
A catalytic combustor for generating a mixture of steam and combustion gas is located downhole in an oil well, so that the gas mixture can be injected directly into the oil reservoir to displace heavy oils from the reservoir. There can be a single stage o...
08/09/1983
4390062Downhole steam generator using low pressure fuel and air supply
An apparatus for generation of steam in a borehole for penetration into an earth formation wherein a spiral, tubular heat exchanger is used in the combustion chamber to isolate the combustion process from the water being superheated for conversion into st...
06/28/1983
4385661Downhole steam generator with improved preheating, combustion and protection features
An apparatus for generation of steam in a borehole for penetration into an earth formation wherein feedback preheater means are provided for the fuel and water before entering the combustor assembly. First, combustion gases are conducted from the combusti...
05/31/1983
4380267Downhole steam generator having a downhole oxidant compressor
Apparatus and method for generation of steam in a borehole for penetration into an earth formation wherein a downhole oxidant compressor is used to compress relatively low pressure (atmospheric) oxidant, such as air, to a relatively high pressure prior to...
04/19/1983
4377205Low pressure combustor for generating steam downhole
A compact catalytic combustor for generating steam downhole in an oil reservoir has steam generating tubes that are attached to a metal catalyst support. The metal support comprises sheets of metal that are spaced apart and transverse to the tubes. Heat f...
03/22/1983
4366860Downhole steam injector
An improved downhole steam injector has an angled water orifice to swirl the water through the device for improved heat transfer before it is converted to steam. The injector also has a sloped diameter reduction in the steam chamber to throw water that co...
01/04/1983
4336839Direct firing downhole steam generator
Direct firing downbole steam generator basically comprises an injector assembly axially connected with a combustion chamber. Downstream of the combustion chamber and oriented so as to receive its output is a heat exchanger wherein preheated water is injec...
06/29/1982
4245701Apparatus and method for igniting an in situ oil shale retort
A method and apparatus for conducting such method are disclosed for igniting a fragmented permeable mass of formation particles in an in situ oil shale retort. The method is conducted by forming a hole through unfragmented formation to the fragmented mass...
01/20/1981
4243098Downhole steam apparatus
A downhole steam apparatus for location within the casing of a well borehole to facilitate oil recovery. A housing adapted to be lowered into the borehole includes a combustor for mixing and burning fuel and air, and a heat exchanger having an array of wa...
01/06/1981
4237973Method and apparatus for steam generation at the bottom of a well bore
A catalyst containing steam generator is lowered to the formation to be steamed. A packer is set at the upper extension of the generator to retain the steam. Fuel gas and oxidizing gas are passed through the catalyst which causes combustion within the cat...
12/09/1980
4205725Method for forming an automatic burner for in situ combustion for enhanced thermal recovery of hydrocarbons from a well
A method for assembling an ignition system for in situ combustion operation to recover petroleum from a well in a subterranean reservoir, and an ignition system for an elongated combustion chamber suspended from a hollow electrical cable and which cable s...
06/03/1980
4199024Multistage gas generator
A multistage gas generator for use in a borehole for recovering hydrocarbons from the subsurface formations. The gas generator has an upper end and a lower restricted outlet. A pilot stage is located at the upper end and a plurality of spaced apart interm...
04/22/1980
4159743Process and system for recovering hydrocarbons from underground formations
A gas generator for use in a borehole for generating steam and other hot gases for use in recovering hydrocarbons or other fluids from underground formations. The gas generator comprises a housing forming a chamber with a combustion zone at one end and a ...
07/03/1979
4137968Ignition system for an automatic burner for in situ combustion for enhanced thermal recovery of hydrocarbons from a well
For in situ combustion operation to recover petroleum from a well in a subterranean reservoir, an ignition system for an elongated combustion chamber suspended from a hollow electrical cable and which cable supplies both electrical means and fuel gas to t...
02/06/1979
4136737Method for automatically initiating in situ combustion for enhanced thermal recovery of hydrocarbons from a well
A method for initiating an in situ combustion operation for heating a well to recover petroleum from a subterranean reservoir in the well comprises lowering an elongated combustion chamber suspended from a hollow electrical cable with an air supply tube t...
01/30/1979
4086960Apparatus for hydrocarbon recovery from earth strata
A combination structure adapted for use in a catalytic process for stimulating the recovery of hydrocarbons from porous and permeable hydrocarbon bearing strata in earth formations utilizing at least one injection well and at least one production well bot...
05/02/1978
4079784Method for in situ combustion for enhanced thermal recovery of hydrocarbons from a well and ignition system therefor
A method for heating a well or for initiating an in situ combustion operation to recover petroleum from a well in a subterranean reservoir, a method for assembling an ignition system for the in situ combustion, and an ignition system comprises an elongate...
03/21/1978
4078613Downhole recovery system
A gas generator for use in a borehole for generating steam and other hot gases for use in recovering hydrocarbons or other fluids from underground formations. The gas generator comprises a housing forming a chamber with a combustion zone at one end and a ...
03/14/1978
4077469Downhole recovery system
A recovery process and system wherein hydrogen and oxygen are introduced into a vented pressure vessel, known as a gas generator, located at the bottom of a borehole, and ignited and burned to produce steam. The hydrogen and oxygen may be introduced eithe...
03/07/1978
4050515Insitu hydrogenation of hydrocarbons in underground formations
A process and system for insitu hydrogenation employing a gas generator in a borehole for burning a hydrogen-rich mixture of hydrogen and oxygen. The gas generator comprises a housing forming a chamber with a combustion zone at one end and a restricted ou...
09/27/1977
3990835Burner for igniting oil shale retort
A technique is described for igniting the oil shale rubble pile in an in situ oil shale retort. A gas-air burner is lowered through a hole to a plenum over the oil shale to be ignited. An excess of air is passed through the hole and around the burner so t...
11/09/1976
3982591Downhole recovery system
The specification discloses a recovery process and system wherein hydrogen and oxygen are introduced into a vented pressure vessel, known as a gas generator, located at the bottom of a borehole, and ignited and burned to produce steam. The hydrogen and ox...
09/28/1976
3982592In situ hydrogenation of hydrocarbons in underground formations
A process and system for insitu hydrogenation employing a gas generator in a borehole for burning a hydrogen-rich mixture of hydrogen and oxygen. The gas generator comprises a housing forming a chamber with a combustion zone at one end and a restricted ou...
09/28/1976
3980137Steam injector apparatus for wells
An apparatus and method for injecting pressurized fluid into a well are disclosed. The apparatus to inject pressurized fluid into a well comprises a combustion chamber, having a coolant jacket positioned to circulate coolant over outer walls of the combus...
09/14/1976
3952801Method for igniting oil shale retort
A technique is described for igniting the oil shale rubble pile in an in situ oil shale retort. A gas-air burner is lowered through a hole to a plenum over the oil shale to be ignited. An excess of air is passed through the hole and around the burner so t...
04/27/1976
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