| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 166057000 | WITH HEATING, REFRIGERATING OR HEAT INSULATING MEANS | 73 |
| 20080271882 | Controlled gas-lift heat exchange compressor - A reciprocating hydraulic compressor capable of pumping liquids, gases or liquids mixed with gases. An apparatus and process for simultaneously compressing liquids and gases and exchanging the heat of compression with fluids which may be the same liquids and gasses compressed. An apparatus and process for heating maintenance fluids using heat generated when the lift gas is compressed. The compressor may be used for recovering oil and gas from a subterranean formation wherein the production rate is controlled by the gas pressure at the well head, resulting in very slow strokes or pulses and bubbles of lift gas 500 feet long or longer. It may also be used for well maintenance using cooled injection gas from the well and heated fluids, which also may come from the well and be mixed with the well gas during compression, may be conducted without interrupting production. | 11-06-2008 |
| 20080302522 | System For Cyclic Injection and Production From a Well - A system is provided for injecting an injection fluid into an earth formation via a wellbore formed in the earth formation and for producing hydrocarbon fluid from the earth formation via the wellbore. The system comprises an injection conduit extending into the wellbore and being in fluid communication with a plurality of outlet ports for injection fluid, and a production conduit extending into the wellbore and being in fluid communication with at least one inlet section for hydrocarbon fluid. The injection conduit is arranged to prevent fluid communication between the injection conduit and each said inlet section. | 12-11-2008 |
| 20090090500 | Arrangement and a Method for Heat Transport and Use in Connection With Subsea Equipment - An arrangement for heat transport used for thermally insulating, or cooling, one or several elements. A casing is arranged to enclose a medium having heat-storing or cooling capacity. The casing has an internal space for receiving the element or elements and the medium with the medium surrounding the element or elements. The arrangement includes guides arranged in the internal space of the casing so as to guide the medium in the internal space such that a circulation and mixing of the fluid will be generated essentially throughout the internal space under the action of occurring temperature differences in the medium, whereby the natural tendency for temperature stratification of the medium is counteracted or eliminated. A corresponding method, the use of an arrangement for protecting a subsea installation or a part thereof from cooling, and use of an arrangement for efficient cooling an electrical appliance. | 04-09-2009 |
| 20090126923 | CLOSED LOOP ENERGY PRODUCTION FROM GEOTHERMAL RESERVOIRS - Apparatus and methods for recovering and using geothermal energy. Such methods include at least partially vaporizing a working fluid by passing it through a flow loop that at least partially extends into a heated subterranean zone and employing the vaporized working fluid to power a turbine. At least a portion of the flow loop can comprise a depleted or partially depleted hydrocarbon well. | 05-21-2009 |
| 20090183868 | ANNEALING OF MATERIALS DOWNHOLE - A downhole annealing system includes a component to be annealed; a steam generating catalyst in proximity to the component; and a reactant fuel selectively communicative with the catalyst to produce an exothermic reaction and method. | 07-23-2009 |
| 20090308587 | PRECAST THERMAL INSULATION FOR FLOWLINES AND RISERS - Precast thermal insulation for flowlines and risers includes an outer protective shell that has an exterior surface and an interior surface that together define a volume within the outer protective shell. High elongation syntactic foam insulation is located within the volume, and comprises microsphere and a semi-rigid epoxy plastic resin binder. The precast thermal insulation permits advanced materials to be used for risers and flowlines, including highly flexible systems for installation by reeling. | 12-17-2009 |
| 20100132934 | HEATING AND COOLING ELECTRICAL COMPONENTS IN A DOWNHOLE OPERATION - In some embodiments, an apparatus includes a tool for a downhole operation. The tool includes a downhole power source to generate power. The tool also includes a cooler module to lower temperature based on the power. | 06-03-2010 |
| 20100175867 | Well Tools Incorporating Valves Operable by Low Electrical Power Input - Well tools including valves operable by low electrical input. One well tool includes a valve which controls fluid communication between pressure regions in a well, the valve including a rotatable member which is biased to rotate, and a brake or clutch which prevents rotation of the member. Another valve includes a barrier which separates reactants, with the valve being operable in response to the barrier being opened and the reactants thereby reacting with each other. Yet another valve includes a barrier which separates the pressure regions, and a control circuit which heats the barrier to a weakened state. Another valve includes a member displaceable between open and closed positions, a restraining device which resists displacement of the member, and a control device which degrades or deactivates the restraining device and thereby permits the member to displace between its open and closed positions, in response to receipt of a predetermined signal. | 07-15-2010 |
| 20100300674 | PERMEABILITY FLOW BALANCING WITHIN INTEGRAL SCREEN JOINTS - A SAGD system including at least one borehole having a tubular therein; and at least one baffle disposed on the tubular, the baffle extending radially outwardly of the tubular into proximity with a formation. | 12-02-2010 |
| 20100300675 | PERMEABILITY FLOW BALANCING WITHIN INTEGRAL SCREEN JOINTS - A thermally assisted downhole system including a tubular configured to be disposed within an open hole borehole, the tubular being intended to be exposed to a heated fluid; a plurality of open hole anchors spaced along the tubular and engagable with the open hole, the anchors restricting longitudinal thermal growth of the tubular when engaged with the open hole. | 12-02-2010 |
| 20100300676 | 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 or more baffles directing heated fluid application to target areas of the formation; a production well in fluid collecting proximity to the injection well the production well having a tubular with permeability control, one or more open hole anchors and one or more baffles. | 12-02-2010 |
| 20100314095 | Hot anti-wax knife - During the production of crude oil, naturally occurring paraffin can be deposited on the inside surfaces of production tubing. These wax deposits reduce the cross sectional area of the tubing and can reduce or completely halt the flow of oil from the well. | 12-16-2010 |
| 20110024102 | COMPLETION SYSTEM FOR SUBSURFACE EQUIPMENT - A concentric tubing well completion method and a subsurface annular flow crossover system are provided. The well completion method creates at least three separate, pressure isolated annular flow channels in a wellbore. The subsurface crossover provides for switching fluid flow between the annular flow channels within the completed well. The crossover system can be used in conjunction with other subsurface equipment to more efficiently manage fluid flows in the completed well. For example, fluid from any subsurface reservoir or separate reservoirs can be delivered to the surface. In addition, flow paths can be provided for a fluid circulation loop from the surface, a subsurface fluid lifted to the surface or a fluid moved to a different depth in the well for reinjection. The subsurface crossover also provides a method to shift the fluids from one annular fluid channel to another. The subsurface annular flow crossover system also allows the installation of a device at any intermediate depth in the well while allowing fluid flow past the device thus eliminating the disruption or blocking of the flow for the purposes of heat and produced fluid extraction. For example, the crossover can be used to maintain separation between a working fluid and produced fluids in a subsurface heat exchanger used in a geothermal well or a subsurface turbomachinery such as a subsurface pump. | 02-03-2011 |
| 20110079380 | SUBSURFACE WELL COMPLETION SYSTEM HAVING A HEAT EXCHANGER - A subsurface well completion system is provided. The well completion system includes a subsurface heat exchanger section that includes an outer shell and an inner shell having an upper threaded portion, an open inside diameter, one or more inlet boxes and one or more outlet boxes. An upper annular ring extends between the inner shell and the outer shell and has one or more openings. A lower annular ring extends between the inner shell and the outer shell. The lower annular ring is spaced apart from the upper annular ring and has one or more openings. One or more tubes are sealably connected at a first end and a second end to the one or more openings in the upper annular ring and the one or more openings in the lower annular ring, respectively, and extend between the upper and lower annular rings in an annular space between the inner shell and the outer shell. | 04-07-2011 |
| 20110094727 | STEAM DISTRIBUTION APPARATUS AND METHOD FOR ENHANCED OIL RECOVERY OF VISCOUS OIL - Methods and apparatus for enhanced and improved viscous oil recovery are disclosed. A horizontal well is drilled through the viscous oil formation. A specially designed tubing string includes outlets that deliver steam more uniformly into the entire horizontal extent of the well borehole. Heat from the steam mobilizes and lowers the viscosity of the heavy crude wherein the crude is then produced to the surface via conventional lift arrangements. | 04-28-2011 |
| 20110094728 | STEAM DISTRIBUTION AND CONDITIONING ASSEMBLY FOR ENHANCED OIL RECOVERY OF VISCOUS OIL - Methods and apparatus for enhanced and improved viscous oil recovery are disclosed. A horizontal well is drilled through the viscous oil formation. A specially designed tubing string includes outlets that deliver steam more uniformly into the entire horizontal extent of the well borehole. Heat from the steam mobilizes and lowers the viscosity of the heavy crude wherein the crude is then produced to the surface via conventional lift arrangements. | 04-28-2011 |
| 20110139432 | SYSTEM, METHOD AND ASSEMBLY FOR STEAM DISTRIBUTION ALONG A WELLBORE - Methods and apparatus for enhanced and improved viscous oil recovery are disclosed. A horizontal well is drilled through the viscous oil formation. A liner includes temperature actuated valves for delivering steam more uniformly along the heel and toe portions of the liner. The temperature actuated valves include an actuation mechanism that actuates from an open position to a closed position to control the flow of the steam therethrough. The actuation mechanism actuates to the closed position when it exceeds a predetermined temperature. Heat from the steam mobilizes and lowers the viscosity of the heavy crude wherein the crude is then produced to the surface via conventional lift arrangements. | 06-16-2011 |
| 20110146967 | DOWNHOLE WELL TOOL AND COOLER THEREFOR - A well tool can include a well tool housing and a cooling section positioned within the well tool housing, the cooling section including a helical cooling fluid flow path, and the flow path having a reversal of direction proximate an end of the cooling section. Another well tool can include a cooling fluid which flows through the helical flow path toward the end of the cooling section in one direction, and which flows through the helical flow path away from the end of the cooling section in an opposite direction. Another well tool can include the cooling fluid which flows through the helical flow path, and which makes multiple passes longitudinally through the cooling section proximate a heat-sensitive device. | 06-23-2011 |
| 20110272135 | AXIALLY LOADED TAPERED HEAT SINK MECHANISM - The present disclosure relates to heat dissipation apparatus that may be used within a downhole tool. The heat dissipation apparatus may include one or more of a cover configured to attach to a heat generating device, a thermal conduit thermally coupled to the cover, and a heat sink thermally coupled to the thermal conduit, in which the heat sink is configured to dissipate heat from the heat generating device through the cover and the thermal conduit. | 11-10-2011 |
| 20120000642 | STEAM DRIVEN DIRECT CONTACT STEAM GENERATION - The present invention is a system and method for steam production for oil production. The method includes generating steam, mixing the steam with water containing solids and organics, separating solids, and injecting the steam through an injection well or using it above ground for oil recovery, such as for generating hot process water. The system includes a steam drive direct contact steam generator. The water feed of the present invention can be hot produced water separated from a produced oil emulsion and/or low quality water salvaged from industrial plants, such as refineries and tailings from an oilsands mine. | 01-05-2012 |
| 20120073799 | APPARATUS FOR DISTRIBUTING CARBON DIOXIDE WITH ADVANCED FUNCTION OF ADJUSTING PRESSURE AND TEMPERATURE OF CARBON DIOXIDE FOR GEOLOGIC INJECTION OF CARBON DIOXIDE - An apparatus for distributing CO | 03-29-2012 |
| 20120152517 | CLEAN SOLAR ENERGY TO ENHANCE OIL AND GAS LOCATION SEPARATOR RECOVERY - A system for providing supplemental or auxiliary heat to a crude oil separator is provided. The system includes a primary circuit carrying a fluid heated by a solar panel and a secondary circuit carrying a fluid heated by heat exchangers engaged with the primary circuit. The secondary circuit includes heat exchangers engaging the separator to provide auxiliary heat. The system may also include a source of off-grid electrical energy, such as a wind turbine and/or photoelectric cell. | 06-21-2012 |
| 20120217000 | LOW-VOLTAGE DIRECT ELECTRICAL HEATING LVDEH FLEXIBLE PIPES RISERS - A system for electrical heating of risers or pipes has at least two concentric layers of metal wires adapted to be used for low-voltage direct electric heating (LV-DEH), each pair being provided to heat a specific segment of a riser or a pipe. The system can be used for both the pipeline and the riser up to a top side. | 08-30-2012 |
| 20130000883 | HYDROCARBON RECOVERY - A thermal hydrocarbon recovery apparatus comprises: a plurality of steam injector tubes each provided with a plurality of injector autonomous inflow control devices, AICDs, spaced apart from each other along the length of each steam injector tube; a plurality of production tubes each provided with a plurality of production autonomous inflow control devices, AICDs, spaced apart from each other along the length of each production tube; wherein said injector AICDs are arranged to inject steam into a geological formation so as to reduce the viscosity of hydrocarbons in the formation; and wherein said production AICDs are arranged to permit the flow of heated hydrocarbons into said production tubes for movement to the surface. | 01-03-2013 |
| 20130112394 | Oilfield Application of Solar Energy Collection - Solar energy is collected and used for various industrial processes, such as oilfield applications, e.g. generating steam that is injected downhole, enabling enhanced oil recovery. Solar energy is indirectly collected using a heat transfer fluid in a solar collector, delivering heat to a heat exchanger that in turn delivers heat into oilfield feedwater, producing hotter water or steam. Solar energy is directly collected by directly generating steam with solar collectors, and then injecting the steam downhole. Solar energy is collected to preheat water that is then fed into fuel-fired steam generators that in turn produce steam for downhole injection. Solar energy is collected to produce electricity via a Rankine cycle turbine generator, and rejected heat warms feedwater for fuel-fired steam generators. Solar energy is collected (directly or indirectly) to deliver heat to a heater-treater, with optional fuel-fired additional heat generation. | 05-09-2013 |
| 20130140018 | HEATER CABLE FOR TUBING IN SHALE TYPE HYDROCARBON PRODUCTION WELLS EXPOSED TO HIGH PRESSURES AND WELLS WITH ANNULAR SPACE FLOODED EVENTUALLY OR PERMANENTLY OR A COMBINATION OF BOTH - A heater cable for hydrocarbon drilling tubing, preferably applicable to pressurized or flooded annular space shale type wells, to prevent and/or remove obstructions in petroleum production wells tubing, caused by the accumulation of substances such as paraffin and hydrates or by a sharp increase in viscosity of the type which extends alongside a metallic thermo conductor duct affixed to the tubing by means of fixation elements. The cable is formed by an inner sheath insulating the electrical conductors, a metallic coat on said conductors' insulating sheath, a fluoropolymeric jacket surrounding said metallic sheath and an outer armour generally defined by a spring which surrounds the jacket in a helicoidal way. The coating of the conductors' insulating sheath is defined by a laminar band which protects all the surface of said sheath arranged in a surrounding way alongside it following a helicoidal arrangement and whose successive spirals are partially overlapped between them. According to a preferred embodiment, said laminar band is formed by an outer aluminium sheath and an inner polymeric sheath. | 06-06-2013 |
| 20130192816 | Single Well, Self-Flowing, Geothermal System for Energy Extraction - A renewable energy, single well, primarily self-flow, geothermal heat/power production system that acquires naturally occurring sub-surface geothermal heat to heat water and/or produce mechanical/electrical power using a heat exchangers or a turbine/generator. The sub-surface structures defining a working fluid flow path may be insulated, such as with vacuum insulation, to increase system efficiency and ensure a substantially self-generating working fluid flow. | 08-01-2013 |
| 20130299159 | INERT GAS SUPPLY EQUIPMENT FOR OIL AND GAS WELL OPERATIONS - An apparatus for the supply of inert gas at a well site, the apparatus comprising one or more pressure vessels containing liquefied inert gas, a heat exchanger, one or more units of fracturing equipment connected to a manifold, a submersible pump in each of the one or more pressure vessels, each submersible pump being connected to supply liquefied inert gas to a supply line that passes through the heat exchanger and the supply line being connected to supply inert gas vaporized by the heat exchanger to the manifold. | 11-14-2013 |
| 20140041851 | Wellhead Lubricator Cover - In the area of oilfield wellhead equipment, and specifically the wellhead lubricator, there is often the problem of the fluid or gas inside the lubricator and/or wellhead freezing in cold winter climates. A wellhead lubricator cover is described which can be secured around the wellhead, thereby isolating the wellhead lubricator and preventing the fluid or gas inside the lubricator from freezing. | 02-13-2014 |
| 20140041852 | STEAM DISTRIBUTION APPARATUS AND METHOD FOR ENHANCED OIL RECOVERY OF VISCOUS OIL - Methods and apparatus for enhanced and improved viscous oil recovery are disclosed. A horizontal well is drilled through the viscous oil formation. A specially designed tubing string includes outlets that deliver steam more uniformly into the entire horizontal extent of the well borehole. Heat from the steam mobilizes and lowers the viscosity of the heavy crude wherein the crude is then produced to the surface via conventional lift arrangements. | 02-13-2014 |
| 20140054026 | Air Release Assembly For Use With Providing Heated Water For Well Related Activities - A system is provided that allows relatively low temperature water to be withdrawn from a pipeline for heating and then returning the heated water to the pipeline, wherein the assembly includes a device for limiting or preventing excess air within the pipeline to also be drawn into the one or more water heaters being used. At least one embodiment further includes a device for adjusting the rate of flow through a primary pipe so that desired temperatures are maintained during the heating process. | 02-27-2014 |
| 20140131028 | Reservoir Tube Heater - This invention pertains to an apparatus to efficiently provide a means to heat liquid in the oil and gas fields, specifically fracking operations. The apparatus described herein provides reservoir heaters connected via reservoir transfer tubes and a heat source, located at the bottom of the apparatus, which thoroughly heats liquid as the liquid travels from the bottom of the apparatus to the top of the apparatus. | 05-15-2014 |
| 20140216714 | TRANSMISSION LINE SEGMENT COUPLER DEFINING FLUID PASSAGE WAYS AND RELATED METHODS - A transmission line segment coupler is for coupling together first and second coaxial transmission line segments each including an inner tubular conductor and an outer tubular conductor surrounding the inner tubular conductor and a dielectric therebetween. The coupler apparatus includes an outer tubular bearing body to be positioned within adjacent open ends of the inner tubular conductors of the first and second coaxial transmission line segments, and an inner tubular bearing body configured to slidably move within the outer tubular bearing body to define a linear bearing therewith. The inner tubular bearing body is configured to define a fluid passageway in communication with the adjacent open ends of the inner tubular conductors of the first and second coaxial transmission line segments. | 08-07-2014 |
| 20140262203 | POLYMER COATED SAND AND METHODS OF MANUFACTURE AND USE - Described herein are systems for manipulating a flowable substance, comprising: a flowable substance; a heating means; a cooling means; and a composition comprising chemically inert particles coated with a stimuli-responsive material. Compositions and methods for using the compositions are also described herein. | 09-18-2014 |
| 20140332201 | APPARATUS AND METHODS FOR RECOVERY OF HYDROCARBONS - Embodiments of the invention described herein relate to methods and apparatus for recovery of viscous hydrocarbons from subterranean reservoirs. In one embodiment, a completion string for an enhanced oil recovery system is provided. The completion string includes an umbilical device having a plurality of conduits disposed therein, a downhole steam generator coupled to the umbilical device by a connect/disconnect device, and a conduit extending from the downhole steam generator through a packer. | 11-13-2014 |
| 20150007974 | HYDROCARBON RESOURCE HEATING APPARATUS INCLUDING FERROMAGNETIC TRANSMISSION LINE AND RELATED METHODS - A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include an RF antenna configured to be positioned within the wellbore to heat the hydrocarbon resources in the subterranean formation. The device may further include a radio frequency (RF) source, and an RF transmission line coupling the RF antenna and the RF source. The RF transmission line may include ferromagnetic material. A magnetic source may be magnetically coupled to the RF transmission line and configured to magnetically saturate the ferromagnetic material. | 01-08-2015 |
| 20150021008 | Electromagnetic Assisted Ceramic Materials for Heavy Oil Recovery and In-Situ Steam Generation - The disclosure provides a downhole tool, and method of using the downhole tool, for enhancing recovery of heavy oil from a formation. The downhole tool includes an outer core having at least one ceramic portion. At least one electromagnetic antenna is disposed within the outer core. The at least one electromagnetic antenna is operable to emit electromagnetic radiation to heat the at least one ceramic portion. | 01-22-2015 |
| 20150083387 | RF ANTENNA ASSEMBLY WITH SPACER AND SHEATH AND RELATED METHODS - An RF antenna assembly is positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The RF antenna assembly includes first and second tubular conductors to be positioned within the wellbore, and having adjacent joined together ends, and first and second RF transmission line segments extending within the first and second tubular conductors and having adjacent joined together ends aligned with the joined together adjacent ends of the first and second tubular conductors. The RF antenna assembly includes a tubular sheath surrounding the first RF transmission line segment and having an outer surface, and a spacer received on the outer surface of the tubular sheath and extending between the tubular sheath and adjacent portions of the first tubular conductor. | 03-26-2015 |
| 20150083388 | STEAM-IMPULSE PRESSURE GENERATOR FOR THE TREATMENT OF OIL WELLS - A steam-impulse pressure generator includes a burnable membrane separating (1) a heat-generating device, which is an hermetic enclosure, the cavity of which is filled with heat-generating blocks, from (2) a steam-kinetic chamber, which is a non-hermetic, open enclosure, with windows (nozzles), evenly distributed over the entire surface, with the minimum dynamic resistance for an exit of the steam-water mixture, while offering as much interference as possible against the melted material exiting into the well. High temperature melt coming from the main body makes direct contact with the borehole fluid causing a hydrodynamic disturbance of high-intensity in the form of series of steam-pressure pulses, which penetrates into the bottom-hole formation zone (“BFZ”) and improves the filtration properties of the rock formation not only and not so much by the removal of the wax, paraffin and resin depositions, but rather because of layer microruptures in the BFZ. | 03-26-2015 |
| 20150090437 | System To Heat Water For Hydraulic Fracturing - Generally, a system for hydraulic fracturing of a geologic formation. Specifically, a transportable heating apparatus and method for the production of heated water for use in hydraulic fracturing of a geologic formation. | 04-02-2015 |
| 20150345248 | APPARATUS FOR USE IN WELL ABANDONMENT | 12-03-2015 |
| 20160076339 | APPARATUSES AND METHODS FOR COOLING SENSOR COMPONENTS IN HOT FORMATIONS - A downhole tool, comprising a housing; a sensor having components within the housing, the sensor being for monitoring a characteristic of a well; and one or more coolant supply lines extending to the components. A method comprising: monitoring a characteristic of a well using a sensor having components within a housing; and supplying coolant through one or more supply lines to the components. The methods and apparatuses may be used to drill steam assisted gravity drainage (SAGD) wells. | 03-17-2016 |
| 20160145962 | Apparatus for Use in Well Abandonment - A plug for plugging wells, and in particular oil and gas wells, is provided. The plug has a plug body formed from an outer metal tube of a reduced thickness. The plug also has reinforcement means, attached to an inner surface of the outer tube, that give the plug a cross-sectional structural strength that is at least equivalent to that of a thicker metal tube. The plug has a central heater receiving void located along the axis of the plug to enable a plug deployment heater to be received therein. Also provided is a plug assembly with a variable cross-sectional area in a plane perpendicular to the plane in which the assembly is deployed during the plugging of underground conduits. | 05-26-2016 |
| 20160177665 | HEATED FREEZE FREE VALVE (FFV) FOR PREVENTING ICE PLUGS THEREIN | 06-23-2016 |
| 166058000 | Fuel supply or hot billet in well | 6 |
| 20100089566 | Consumable downhole tools - A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such as magnesium, which is converted to magnesium oxide when exposed to heat and a source of oxygen. The downhole tool may further comprise a torch with a fuel load that produces the heat and source of oxygen when burned. The fuel load may comprise a flammable, non-explosive solid, such as thermite. | 04-15-2010 |
| 20100108305 | Reducing the energy requirements for the production of heavy oil - An apparatus for generating a heated product stream downhole is provided wherein a fuel rich mixture is reacted downhole by contact with a catalyst to produce a partially reacted product stream, the fuel rich mixture comprising fuel and oxygen. The partially reacted product stream is brought into contact with an oxidant thereby igniting combustion upon contact producing a combustion product stream. The combustion product stream may be cooled by injecting a diluent flow such as water or CO | 05-06-2010 |
| 20110303407 | Consumable downhole tools - A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such as magnesium, which is converted to magnesium oxide when exposed to heat and a source of oxygen. The downhole tool may further comprise a torch with a fuel load that produces the heat and source of oxygen when burned. The fuel load may comprise a flammable, non-explosive solid, such as thermite. | 12-15-2011 |
| 20120055666 | Consumable downhole tools - A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such as magnesium, which is converted to magnesium oxide when exposed to heat and a source of oxygen. The downhole tool may further comprise a torch with a fuel load that produces the heat and source of oxygen when burned. The fuel load may comprise a flammable, non-explosive solid, such as thermite. | 03-08-2012 |
| 20140284045 | System and apparatus for geothermal pyrolysis - Disclosed herewith are methods and embodiment of an apparatus for using geothermal heat for pyrolysis. In some embodiments, a pyrolysis reaction chamber is lowered into a well, where the pyrolysis reaction can be driven by geothermal heat. In some embodiments the reaction chamber is connected to second chamber to contain the gas reaction products produced by the pyrolysis reaction. In some embodiments, the reaction chamber and the gas collection chamber are separated by some distance in the well, and are connected by a long hose or conduit. | 09-25-2014 |
| 20150075768 | WELL TOOLS OPERABLE VIA THERMAL EXPANSION RESULTING FROM REACTIVE MATERIALS - Methods of actuating a well tool can include releasing chemical energy from at least one portion of a reactive material, thermally expanding a substance in response to the released chemical energy, and applying pressure to a piston as a result of thermally expanding the substance, thereby actuating the well tool, with these steps being repeated for each of multiple actuations of the well tool. A well tool actuator can include a substance contained in a chamber, one or more portions of a reactive material from which chemical energy is released, and a piston to which pressure is applied due to thermal expansion of the substance in response to each release of chemical energy. A well tool actuator which can be actuated multiple times may include multiple portions of a gas generating reactive material, and a piston to which pressure is applied due to generation of the gas. | 03-19-2015 |
| 166059000 | Burner in well | 1 |
| 20130312950 | IGNITING AN UNDERGROUND COAL SEAM IN AN UNDERGROUND COAL GASIFICATION PROCESS, UCG - An ignition apparatus ( | 11-28-2013 |
| 166060000 | Electrical heater in well | 17 |
| 20080236809 | DRILLING, COMPLETING AND STIMULATING A HYDROCARBON PRODUCTION WELL - An apparatus and method for drilling a well in a heavy oil or bitumen reservoir for in situ recovery of heavy oil and bitumen is provided. More particularly, an apparatus and method for drilling, completing and/or stimulating a heavy oil or bitumen well in a heavy oil or bitumen reservoir is provided, comprising: providing a concentric drill string having an inner tube and an outer tube defining an annulus therebetween, the outer tube further having a plurality of slots sealed with a temporary filler material; drilling a borehole into the reservoir using a drilling member connected at the lower end of the concentric drill string and delivering drilling medium through one of the annulus or inner tube and extracting the exhaust drilling medium through the other of the annulus or inner tube; leaving the concentric drill string in the well after drilling of the borehole is completed; and removing the temporary filler material to expose the plurality of slots in the outer tube and form a slotted liner. | 10-02-2008 |
| 20090008079 | METHODS AND APPARATUS TO SAMPLE HEAVY OIL IN A SUBTERRANEAN FORMATION - A method for sampling fluid in a subterranean formation includes, reducing a viscosity a fluid, pressurizing a portion of the subterranean formation, and collecting a fluid sample. Specifically, a viscosity of a fluid in a portion of the subterranean formation is reduced and a portion of the subterranean formation is pressurizing by injecting a displacement fluid into the subterranean formation. A sample of the fluid pressurized by the displacement fluid is then collected. | 01-08-2009 |
| 20090173488 | HIGH POWER MICROWAVE PETROLEUM RECOVERY - Methods, systems, and devices are described for using high-power microwave radiation to recover oil from an oil shale deposit. Embodiments include a microwave generation system, adapted to generate in situ, high-power microwave radiation. In some embodiments, one or more antennae propagate the microwave radiation into the oil shale deposit. The microwave radiation may heat the oil shale, causing oil to be released. The released oil may then be collected, refined, transported, or otherwise processed. | 07-09-2009 |
| 20090194269 | THREE-PHASE HEATERS WITH COMMON OVERBURDEN SECTIONS FOR HEATING SUBSURFACE FORMATIONS - A heating system for a subsurface formation is described. The heating system includes three substantially u-shaped heaters with first end portions of the heaters being electrically coupled to a single, three-phase wye transformer and second end portions of the heaters being electrically coupled to each other and/or to ground. The three heaters may enter the formation through a first common wellbore and exit the formation through a second common wellbore so that the magnetic fields of the three heaters at least partially cancel out in the common wellbores. | 08-06-2009 |
| 20100252249 | DEVICE FOR IN SITU EXTRACTION OF A SUBSTANCE COMPRISING HYDROCARBONS - A device for in situ extraction of a substance including hydrocarbons while reducing the viscosity thereof from an underground storage site is provided. The device includes at least one production pipeline leading out of the storage site, and at least two electrodes which are inductively and resistively effective relative to at least parts of the storage site. | 10-07-2010 |
| 20100258290 | NON-CONDUCTING HEATER CASINGS - A system for heating a subsurface formation includes a heater wellbore located in a subsurface formation. A single conducting heater element includes a heated portion located in a part of the subsurface formation configured to be heated and a lead-in portion located in an overburden of the subsurface formation. The heated part is located below the overburden. A heater casing is located substantially in an overburden portion of the heater wellbore. The heater casing includes an electrically non-conducting portion and an electrically conducting portion. The non-conducting portion begins at the surface of the formation. The conducting portion is located between the non-conducting portion and the heated portion of the heater. The non-conducting portion extends to a depth that is at least about 30 m above the heated portion of the heater. | 10-14-2010 |
| 20100258291 | HEATED LINERS FOR TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS - A heating system for a subsurface formation includes a first tubular located in the subsurface formation and a second tubular. At least a portion of the first tubular is positioned in the second tubular. At least a portion of two or more electrical conductors are positioned between an outer surface of the first tubular and an inner surface of the second tubular. The electrical conductors are configured to provide heat to the subsurface formation when an electrical current is applied to the electrical conductors. | 10-14-2010 |
| 20110042063 | Apparatus for in-situ extraction of bitumen or very heavy oil - An apparatus for the in situ extraction of bitumen or very heavy oil from oil sand deposits, and applying heat energy to the deposit to reduce the viscosity of the bitumen is provided. A high-frequency generator feeds electric power to a linearly extended conductor loop at a predefined depth of an oil sand deposit, the inductance of the conductor loop is compensated in some sections or continuously. Advantageously, one of the conductors of the conductor loop may be disposed substantially in a vertical direction above the extraction pipe. | 02-24-2011 |
| 20110146968 | Installation for the in Situ Extraction of a Substance Containing Carbon - An installation for the in-situ extraction of a substance including hydrocarbons from an underground deposit is provided. The conductor and return conductor of the inductor lines are guided essentially vertically in the capping to the bottom of the deposit, at a small maximum lateral distance of 10 m compared to the length of the lines, but especially less than 5 m. Preferably, the inductor lines are guided horizontally in the deposit and are at different distances in certain areas. Furthermore, the electrical conductors and return conductors perpendicularly extending in the capping preferably combine to form a conductor pair. In this way, the conductor pair can be introduced into a single borehole which reaches into the reservoir and splits only once it has arrived in the reservoir. | 06-23-2011 |
| 20120018140 | APPARATUS AND METHOD FOR HEATING OF HYDROCARBON DEPOSITS BY AXIAL RF COUPLER - An apparatus for heating a hydrocarbon deposit that is susceptible to RF heating by coupling a linear conductive element that extends into the material to a source of RF power. The apparatus includes a source of RF power connected to driving winding that extends around a magnetic core loop and the magnetic core loop extends around the RF conductive linear element. One or more apparatus may be used to couple RF energy to conductive elements that extend into a hydrocarbon deposit to achieve a desired RF current within the element. RF energy may be coupled to conductive elements that are adjacent to each other within a hydrocarbon deposit to create a desired region of heating within the hydrocarbon deposit. The magnetic core loop may start and stop the RF energy to position heating. | 01-26-2012 |
| 20140284046 | Wellbore Isolation Tool Using Sealing Element Having Shape Memory Polymer - Anti-extrusion devices, packer elements, and inflatable packers include shape memory polymer (SMP) materials to enhance the operation of a packer, a bridge plug, or other downhole isolation tool. Seal system use seals of various material including SMP materials as booster for the seal produced. Tool for flow shut-off and sliding sleeve applications use SMP materials to open or close off flow through a tool. | 09-25-2014 |
| 20140326444 | APPARATUS FOR THE INDUCTIVE HEATING OF OIL SAND AND HEAVY OIL DEPOSITS BY WAY OF CURRENT-CARRYING CONDUCTORS - An apparatus for the inductive heating of oil sand and heavy oil deposits by way of current-carrying conductors is provided. The conductors include individual conductor groups, wherein the conductor groups are designed in periodically repeating sections of defined length defining a resonance length, and wherein two or more of the conductor groups are capacitively coupled. In this way, each conductor can be insulated and can include a single wire. | 11-06-2014 |
| 20150013962 | HEATING CABLE FOR EXTRACTION PIPES OF VISCOUS HYDROCARBONS OR PARAFFINIC IN CONVENTIONAL WELLS AND TYPE TIGHT WELLS, VERTICAL OR DIRECTIONAL, WITH FLOODED ANNULAR IN CASUAL OR PERMANENT FORM, SUITABLE FOR USE BETWEEN LOW AND HIGH FLUID PRESSURES RANGES - The present invention relates to a heating cable for extraction pipes of viscous hydrocarbon or paraffinic in conventional wells and tight type wells, with flooded ring in eventual or permanent cases, suitable for use between low and high fluid pressure ranges. The cable, flat type with parallel electric conductors, is also suitable for use in both vertical and directional wells with high operational flexibility in a wide range of variables. Each of the electric conductors ( | 01-15-2015 |
| 20150027684 | CENTRALIZERS FOR CENTRALIZING WELL CASINGS - A centralizer for centralizing a pipe downhole in a well is provided. The centralizer includes a plurality of arcuate cuffs having first and second ends. The cuffs are affixed adjacent to the pipe's exterior wall, and positioned circumferentially adjacent around the pipe. The cuffs are flexible so as to be positioned in a first condition wherein the cuffs are retracted radially inward so as to be substantially flat against the pipe's exterior wall. The centralizer includes a lock for maintaining the cuffs substantially flat against the pipe's exterior wall until the centralizer has been transported downhole. Further, the centralizer includes an actuator for unlocking the lock so as to allow the cuffs to expand radially outward to form a loop wherein the loop has a central axis parallel to pipe's longitudinal axis. Preferably, the centralizer includes a collar causing the cuffs to all expand or retract together. | 01-29-2015 |
| 20150300126 | METHOD AND APPARATUS FOR SUPPORTING CABLES WITHIN COIL TUBING - A method of hanging a cable within a coiled tubing string includes the steps of determining a length of coiled tubing required within a well having a wellhead; determining a length of a cable required within the coiled tubing, the cable having a structural component along the length of the cable sufficient to support the weight of the cable; cutting the tubing string and installing a hanger sub in the coiled tubing string toward, the wellhead attachment section relative to the downhole end, the hanger sub comprising an inner shoulder that extends radially into the hanger sub and defines an opening; and attaching an outer shoulder to the cable and inserting the cable into the coiled tubing string until the outer shoulder of the cable engages the inner shoulder of the hanger sub such that the inner shoulder positions the cable below the outer shoulder. | 10-22-2015 |
| 20150322759 | System For Extraction of Hydrocarbons Underground - A system for in-situ heating of a subsurface formation for the extraction of hydrocarbons in underground deposits is disclosed. The system is configured to heat the underground deposit of hydrocarbons to facilitate fluid flow and hydrocarbon recovery from the underground deposit. The system has an antenna formed from a coaxial transmission line having an annular space between the transmission line outer conductor and the inner conductor and having one or more periodic aperture arrangements along the axial length of the outer conductor. A method for in-situ heating of a subsurface formation for recovering hydrocarbons contained therein is also disclosed. The method comprises: providing an antenna in the subsurface formation; providing electromagnetic RF power to the antenna for heating at least a portion of the subsurface formation. | 11-12-2015 |
| 20170237145 | Coaxially Arranged Mode Converters | 08-17-2017 |
| 166061000 | Heater surrounding production tube | 3 |
| 20080236810 | System for Power Supply to Subsea Installations - A system for power supply to subsea installations and plants for production of hydrocarbons, comprising a preferably heat insulated pipeline ( | 10-02-2008 |
| 20100236773 | THERMOELECTRIC DRIVEN GAS WELL HEAT PUMP - A system for providing heat to natural gas well pipes and equipment uses a thermoelectric generator to supply electricity to a motor and gear pump. The thermoelectric generator drives a DC brushless motor and gear pump in order to circulate heated glycol from a dehydrator through a heating tube to thereby heat the pipes and equipment. Batteries may be used to buffer the power supply to prevent overloading the thermoelectric generator. | 09-23-2010 |
| 20140014316 | APPARATUS FOR TRANSPORTING AND UPGRADING A HYDROCARBON RESOURCE THROUGH A PIPELINE AND RELATED METHODS - A device for transporting and upgrading a hydrocarbon resource may include a pair of pipeline segments configured to transport the hydrocarbon resource therethrough and a radio frequency (RF) upgrading device. The RF upgrading device may include an RF applicator comprising an inner tubular dielectric coupler between the pair of pipeline segments, and an electrically conductive outer housing surrounding the inner tubular dielectric coupler. The RF upgrading device may also include an RF source coupled to the electrically conductive outer housing and having an operating frequency and power to upgrade the hydrocarbon resource. | 01-16-2014 |
| 166062000 | With eduction pump or plunger in well | 2 |
| 20090250204 | APPARATUS AND METHOD FOR IN-SITU ELECTROMAGNETIC EXTRACTION AND PRODUCTION OF HYDROCARBONS FROM GEOLOGICAL FORMATIONS - Presented is a system for extracting subsurface oil using microwave or RF energy generated above the ground surface, and directed to an underground oil bearing location using a coaxial transmission line functioning as a wave guide. | 10-08-2009 |
| 20140166263 | BRINE BASED INDIRECT STEAM BOILER - Systems and methods generate steam in hydrocarbon recovery operations and may further enable emulsion separation and product upgrading. The methods rely on indirect boiling of water by contact with a thermal transfer liquid heated to a temperature sufficient to vaporize the water. Examples of the liquid include oils, recovered hydrocarbons, liquid metals and brine. Heating of the liquid may utilize circulation of the liquid across or through a furnace, heat exchangers, or a gas-liquid contactor supplied with hot gas. Further, a solvent for bitumen introduced into the water may also vaporize upon contact with the thermal transfer liquid. | 06-19-2014 |
