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7621333 |
Process to improve extraction of crude oil and installation implementing such process
A hydrocarbon extraction process enabling an acceleration in the production of the productive zone of the oil deposit of a well and an increase in the cumulated quantity of hydrocarbons,...
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7604054 |
Enhanced hydrocarbon recovery by convective heating of oil sand formations
The present invention involves a method and apparatus for enhanced recovery of petroleum fluids from the subsurface by convective heating of the oil sand formation and the heavy oil and bitumen in...
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7591306 |
Enhanced hydrocarbon recovery by steam injection of oil sand formations
The present invention involves a method and apparatus for enhanced recovery of petroleum fluids from the subsurface by injection of a steam and hydrocarbon vaporized solvent in contact with the oil...
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7575053 |
Low temperature monitoring system for subsurface barriers
A system for monitoring temperature of a subsurface low temperature zone is described. The system includes a plurality of freeze wells configured to form the low temperature zone, one or more...
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7575052 |
In situ conversion process utilizing a closed loop heating system
An in situ conversion system for producing hydrocarbons from a subsurface formation is described. The system includes a plurality of u-shaped wellbores in the formation. Piping is positioned in at...
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7571770 |
Downhole cooling based on thermo-tunneling of electrons
An apparatus for and a method of cooling electronic components in downhole equipment using the principles of quantum tunneling.
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7568521 |
Wellbore formation evaluation system and method
A formation evaluation tool positionable in a wellbore penetrating a subterranean formation is provided. The formation evaluation tool includes a cooling system adapted to pass a cooling fluid...
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7562710 |
Method and a device for in situ formation of a seal in an annulus in a well
A method and a device for in situ formation of a seal ( 17 ) in a region ( 2 ) of an annulus ( 18 ) located around a pipe structure ( 4 ) in a well ( 18 ), in which the method comprises the...
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7562706 |
Systems and methods for producing hydrocarbons from tar sands formations
A system for treating a tar sands formation is disclosed. A plurality of heaters are located in the formation. The heaters include at least partially horizontal heating sections at least partially...
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7546873 |
Low temperature barriers for use with in situ processes
A method of forming and maintaining a low temperature zone around at least a portion of a subsurface treatment area is described. The method includes reducing a temperature of heat transfer fluid...
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7527094 |
Double barrier system for an in situ conversion process
A barrier system for a subsurface treatment area is described. The barrier system includes a first barrier formed around at least a portion of the subsurface treatment area. The first barrier is...
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7520325 |
Enhanced hydrocarbon recovery by in situ combustion of oil sand formations
The present invention is a method and apparatus for the enhanced recovery of petroleum fluids from the subsurface by in situ combustion of the hydrocarbon deposit, from injection of an oxygen rich...
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7516785 |
Method of developing subsurface freeze zone
A method for lowering the temperature of a portion of a subsurface formation is provided. Preferably, the formation is an oil shale formation. The method includes the step of injecting a cooling...
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7500528 |
Low temperature barrier wellbores formed using water flushing
A method of forming an opening for a low temperature well is described. The method includes drilling an opening in a formation. Water is introduced into the opening to displace drilling fluid or...
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7467658 |
Down hole drilling fluid heating apparatus and method
An apparatus for providing heat energy to a fluid, including a housing adapted for connection into a working string and for inserting into a borehole, a flow path for the fluid extending within the...
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7455104 |
Expandable elements
A method and apparatus includes providing an element formed of a superplastic material to perform a predetermined downhole task. In another arrangement, a method and apparatus includes a flowable...
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7440283 |
Thermal isolation devices and methods for heat sensitive downhole components
A device for isolating a heat sensitive component includes a heat sink positioned adjacent to the heat sensitive component. The heat sink has a stepped thermal response to an applied heat. The heat...
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7424916 |
Flameless hot oiler
A flameless heating system comprising: at least one engine, each engine including a coolant for removing heat from the engine and each engine producing exhaust; a loading means for loading the...
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7380605 |
Energy transfer loop apparatus and method of installation
A method of forming an energy transfer loop in the earth has the steps of connecting a tubing to a nose member, extending a liquid delivery pipe to the nose member, pumping a liquid through the...
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7367399 |
Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore
Systems and methods are provided for treating a wellbore using a loop system to heat oil in a subterranean formation contacted by the wellbore. The loop system comprises a loop that conveys a fluid...
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7363971 |
Method and apparatus for maintaining a multi-chip module at a temperature above downhole temperature
Methods and systems for operating integrated circuits at temperatures higher than expected ambient temperatures. The heating may be of entire circuit boards, portions of the circuit boards (such as...
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7360588 |
Thermal processes for subsurface formations
A process may include providing heat from one or more heaters to at least a portion of a subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In some...
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7357180 |
Inhibiting effects of sloughing in wellbores
Certain embodiments provide a method for treating a subsurface formation. The method includes providing one or more explosives into portions of one or more wellbores selected for the explosion in...
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7347267 |
Method and apparatus for cooling flasked instrument assemblies
Method and apparatus are provided to accelerate the cooling of thermally sensitive components in a chamber of a downhole instrument assembly. In accordance with the invention, a passage is formed...
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7343979 |
Method and device for the controlled disconnection of a wireline
A method and device for controlling the disconnection of a wireline ( 4 ), of the kind used in wireline operations in a wellbore, from a wireline tool ( 8 ), the wireline ( 4 ) being provided with...
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7316275 |
Well treating compositions containing water superabsorbent material and method of using the same
A well treating composition containing a polysaccharide-based water-superabsorbent material has particularly applicability as a thermal insulating, fracturing or acid stimulation fluid. The...
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7306039 |
Methods of using crosslinkable compositions
A thermal insulating packer fluid contains water and/or brine, a crosslinkable viscosifying polymer, a crosslinking agent and an optional set retarder. The composition is capable of inhibiting...
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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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7293606 |
Heat exchanging apparatus
A heat exchanging apparatus including a gas fuelled flameless heater and a heat exchanger loop. The heat exchanger loop includes a heat absorbing section which is contained within the flameless...
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7284931 |
Magma evacuation systems for the prevention of explosions from supervolcanoes
An apparatus controls the evacuation of volcanic magma to prevent explosions. Magma evacuation is through a single evacuation tube that heats the magma flow within the tube to prevent stickiness of...
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7225866 |
In situ thermal processing of an oil shale formation using a pattern of heat sources
A oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H 2 , and/or other formation fluids may be produced from the formation. Heat may be applied to the...
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7219734 |
Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation
A method for treating a hydrocarbon containing formation is described. The method may include providing heat from one or more heaters to at least a portion of the formation. At least one heater may...
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7219500 |
Compressor fuel gas conditioner
A compressor fuel gas conditioner for a natural gas well having a compressor which utilizes natural gas from the well as a fuel. The conditioner includes a vortex tube having an inlet to receive...
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7207389 |
Hybrid coiled tubing/fluid pumping unit
Method and apparatus for servicing of a bore hole in the earth, comprising a first sub-assembly adapted for the insertion and removal of a continuous length of coiled tubing into and from the bore...
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7175366 |
Device, system, and method for remediation of contaminated soil
A system, method, and devices for remediating soil of an area of land. The devices are partially inserted into the soil within the area. The devices have vent holes fluidically coupling each device...
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7128156 |
Wellbore rig with heat transfer loop apparatus
A rig, the rig useful in well operations, the rig having rig structure above the earth, and heat transfer loop apparatus connected to the rig for supplying heat transfer fluid for use on the rig,...
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7121342 |
Thermal processes for subsurface formations
A process may include providing heat from one or more heaters to at least a portion of a subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In some...
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7117944 |
Drill pipe having an internally coated electrical pathway
A drill pipe for an oil or gas well is provided that includes a generally cylindrical hollow drill pipe having a length; and a conductive coating connected to the drill pipe to define an electrical...
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7096953 |
In situ thermal processing of a coal formation using a movable heating element
A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H 2 , and/or other formation fluids may be produced from the formation. Heat may be applied to the...
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7044223 |
Heater cable and method for manufacturing
A method for manufacturing an electrical cable provides an electrical cable suitable for use in heating wells. An elastomeric jacket is extruded over insulated conductors. A stainless steel plate...
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7040400 |
In situ thermal processing of a relatively impermeable formation using an open wellbore
A method for treating a relatively low permeability formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat...
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7032658 |
High power umbilicals for electric flowline immersion heating of produced hydrocarbons
Methods and apparatus for installing electrically heated composite umbilicals within subsea flowlines containing produced hydrocarbons as immersion heaters to prevent waxes and hydrates from...
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7017650 |
Earth loop energy systems
Wellbore heat loop systems, fillers for bores in the systems, and methods of the use of such systems; the systems in certain aspects having a heat loop wellbore in the earth having heat loop pipe...
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6994159 |
System for extracting natural gas hydrate
A system for extracting natural gas from natural gas hydrates utilizing a first conduit positioned in the natural gas hydrate containing strata. A flowable heat containing medium is urged through...
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6929067 |
Heat sources with conductive material for in situ thermal processing of an oil shale formation
The oil shale formation may be treated using an in situ thermal process. Heat may be provided to a section of the formation from one or more heat sources. A portion of a heat source may include...
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6880646 |
Laser wellbore completion apparatus and method
A method and apparatus for providing fluid flow into a wellbore in which an apparatus having at least one laser energy output is lowered into the wellbore and the at least one laser energy output...
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6860320 |
Bottom member and heat loops
Bottom members for a heat loop for an earth energy transfer system with a moving energy transfer fluid and heat loops with such a bottom member; the bottom member in one aspect including a body...
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6779606 |
Method and apparatus for heating drilling and/or completion fluids entering or leaving a well bore during oil and gas exploration and production
A system for heating drilling, completion, and/or stimulation fluids including acidizing liquids but not limited to; entering or exiting a wellbore, the system including a principal heat exchange...
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6776227 |
Wellhead heating apparatus and method
Apparatus and method for heating and preventing freeze-off of wellhead equipment utilize radiant heat from a flameless heater to heat fluid in a heat exchanger, such as a tank or finned radiator. A...
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6772840 |
Methods and apparatus for a subsea tie back
A flow assurance system includes an inner pipe disposed within an outer pipe to assure flow through the outer pipe. During installation and relative axial movement with the outer pipe, the inner...
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