Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
Patents for E21B 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones (4,262)
07/2010
07/01/2010US20100163250 Well equipment for heated fluid recovery
06/2010
06/30/2010CN201517399U Novel energy-saving heating plate
06/30/2010CN201517398U Negative-pressure heating furnace
06/30/2010CN201517388U Underground warning paraffin prevention and blockage removing choke holder
06/29/2010US7743831 Thermal activation mechanisms and methods for use in oilfield applications
06/29/2010US7743830 Controlling the pressure within an annular volume of a wellbore
06/24/2010US20100155070 Organonitrogen compounds used in treating hydrocarbon containing formations
06/23/2010EP2198118A1 Irregular spacing of heat sources for treating hydrocarbon containing formations
06/23/2010CN101748992A Paraffin removal unit for oil well in oil field
06/17/2010WO2010068898A2 System and method for downhole cooling of components utilizing endothermic decomposition
06/17/2010US20100147523 System and method for downhole cooling of components utilizing endothermic decomposition
06/16/2010CN201507281U Hollow sucker rod well flushing device
06/16/2010CN201507280U Water cycle heating device for loading arm of thick oil storage tank
06/16/2010CN1575377B Method and system for forming holes in stratum, holes formed by the method and system, and compound generated thereby
06/10/2010US20100144181 Connector assembly
06/09/2010CN201502359U Oil well geotherm self-energy wax-resistant device
06/09/2010CN1575373B Method for in situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
06/08/2010US7730936 Active cable for wellbore heating and distributed temperature sensing
06/08/2010CA2633627C Method for completing a well using increased fluid temperature
06/08/2010CA2603687C Composition and method for dissipating heat underground
06/03/2010US20100132934 Heating and cooling electrical components in a downhole operation
06/02/2010CN201496042U Integrated comprehensive magnetic wax-removing and descaling device for pigging
06/02/2010CN201496041U Paraffin cleaning and heat tracing device for oil well
06/02/2010CN201496040U Heat tracing device for oil well
06/02/2010CN201496038U Downhole isotonic electric oil nozzle
05/2010
05/27/2010US20100126727 In situ recovery from a hydrocarbon containing formation
05/26/2010EP2188346A2 Insulating annular fluid
05/26/2010CN1717529B Method and system for heating underground or wellbores
05/20/2010WO2010057017A2 Downhole thermal component temperature management system and method
05/20/2010WO2008107798A3 Heating device for passage through subterranean asphalt and method of use
05/20/2010US20100122846 Boring green-hydro, cryo vertical drilling
05/19/2010CN101709636A Microwave heating system for lowering viscosity of produced liquid in oil well
05/18/2010US7717167 Switchable power allocation in a downhole operation
05/12/2010CN201460813U Wellhead anti-freezing heating system by using mine water residual heat to supply heat
05/12/2010CN201460801U Thermal flushing packer
05/12/2010CA2644934A1 Method of heating a heat trace line at a well
05/06/2010US20100108379 Systems and methods of forming subsurface wellbores
05/06/2010US20100108327 Consumable Downhole Tools
05/06/2010US20100108318 Method and device for the in-situ extraction of a hydrocarbon-containing substance, while reducing the viscosity thereof, from an underground deposit
05/06/2010US20100108305 Reducing the energy requirements for the production of heavy oil
05/05/2010EP2182017A1 A polyisocyanurate-based syntactic coating for offshore applications
04/2010
04/29/2010US20100101793 Electrically Conductive Methods For Heating A Subsurface Formation To Convert Organic Matter Into Hydrocarbon Fluids
04/29/2010US20100101784 Controlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation
04/28/2010CN201443361U Hot washable single-well admixture adjusting device
04/28/2010CN201443360U Oil well electromagnetic heater
04/28/2010CN201443359U Insulated electrothermal rod collar
04/28/2010CN201443358U Insulated electrothermal rod
04/28/2010CN101699024A Paraffin removal technological method by washing oil wells with hot steam
04/27/2010US7703528 Reducing CO2 emissions from oilfield diesel engines
04/27/2010US7703513 Wax barrier for use with in situ processes for treating formations
04/22/2010WO2010045101A1 Using self-regulating nuclear reactors in treating a subsurface formation
04/22/2010WO2010045099A1 Using self-regulating nuclear reactors in treating a subsurface formation
04/22/2010WO2010045097A1 Circulated heated transfer fluid heating of subsurface hydrocarbon formations
04/22/2010WO2010044817A1 Method for removing a consumable downhole tool specification
04/22/2010WO2010043239A1 Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir
04/22/2010WO2009009412A3 Producing resources using heated fluid injection
04/22/2010US20100096138 Controlling the Pressure Within an Annular Volume of a Wellbore
04/22/2010US20100096137 Circulated heated transfer fluid heating of subsurface hydrocarbon formations
04/22/2010CA2739086A1 Using self-regulating nuclear reactors in treating a subsurface formation
04/22/2010CA2738939A1 Using self-regulating nuclear reactors in treating a subsurface formation
04/22/2010CA2738804A1 Circulated heated transfer fluid heating of subsurface hydrocarbon formations
04/22/2010CA2736894A1 A method and apparatus for performing thermochemical treatment of an oil reservoir
04/21/2010EP2176511A2 Detecting acoustic signals from a well system
04/21/2010CN101696833A Method and device for utilizing air return energy of mine
04/20/2010US7699097 Mover stabilizing and stator cooling arrangement of a 3-phase linear motor of a submersible oil pump
04/15/2010WO2010014243A3 Downhole tool with thin film thermoelectric cooling
04/15/2010US20100089586 Movable heaters for treating subsurface hydrocarbon containing formations
04/15/2010US20100089585 Method of Developing Subsurface Freeze Zone
04/15/2010US20100089584 Double insulated heaters for treating subsurface formations
04/15/2010US20100089566 Consumable downhole tools
04/14/2010EP2173968A2 Producing resources using heated fluid injection
04/13/2010CA2670129C In situ recovery from a hydrocarbon containing formation
04/13/2010CA2449664C In-situ casting of well equipment
04/07/2010EP2171382A2 Method and apparatus for cooling a gaseous hydrocarbon stream
04/07/2010CN201436370U Viscous oil recovery circulation heater
04/07/2010CN201436368U Electrical heating oil well double-packing box sealing device
04/06/2010CA2669786C In situ recovery from a hydrocarbon containing formation
04/06/2010CA2407022C In situ recovery from a hydrocarbon containing formation
04/01/2010US20100078173 Downhole device actuator and method
04/01/2010CA2741765A1 Downhole device actuator and method
03/2010
03/31/2010CN201433740Y Water jacket furnace
03/31/2010CN201433739Y High-pressure natural gas furnace
03/31/2010CN101688442A Molten salt as a heat transfer fluid for heating a subsurface formation
03/31/2010CN101688441A Producing resources using heated fluid injection
03/31/2010CN101684725A Control method and device of burner in oil-field hot-washing wax remover
03/30/2010CA2669788C In situ recovery from a hydrocarbon containing formation
03/30/2010CA2669779C In situ recovery from a hydrocarbon containing formation
03/30/2010CA2669559C In situ recovery from a hydrocarbon containing formation
03/25/2010US20100071904 Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations
03/25/2010US20100071903 Mines and tunnels for use in treating subsurface hydrocarbon containing formations
03/24/2010EP2164919A2 Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole, and method for reinforcing a drill hole
03/24/2010CN201429802Y Oil field fluid temperature control device
03/24/2010CN101680287A heating systems for heating subsurface formations
03/24/2010CN101680286A electrically isolating insulated conductor heater
03/24/2010CN101680285A Downhole burners for in situ conversion of organic-rich rock formations
03/24/2010CN101680284A Downhole burner wells for in situ conversion of organic-rich rock formations
03/23/2010US7681672 Cryogenic pulsejet and method of use
03/18/2010US20100065265 Method and apparatus for in-situ radiofrequency assisted gravity drainage of oil (ragd)
03/17/2010CN101672584A Heat exchanger and oil well paraffin removal device with same
03/17/2010CN100594287C In-situ hydrogen treatment method of to heated hydrocarbon containing fluid
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