| Patents for E21B 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones (4,262) |
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| 06/27/2013 | WO2013090979A1 Ucg product gas quenching method and apparatus |
| 06/27/2013 | WO2013009396A3 Bop heating methods and systems and heat exchange units |
| 06/26/2013 | EP2606199A1 Device and method for using the device for "in situ" extraction of bitumen or heavy oil from oil sand deposits |
| 06/26/2013 | CN203024181U Automatic ignition device of oil well water jacket furnace |
| 06/26/2013 | CN203022693U Electromagnetic and superconductive heating dewaxing device for hollow sucker rod of producing well |
| 06/26/2013 | CN203022692U Wellhead petroleum explosion-proof electromagnetic heater |
| 06/26/2013 | CN103180543A Method and apparatus for thermally treating an oil reservoir |
| 06/26/2013 | CN103174401A Ground device of perforating fracturing testing system |
| 06/20/2013 | WO2013089691A1 Mitigation of hydrates, paraffins and waxes in well tools |
| 06/19/2013 | EP2604785A1 Downhole device actuator and method |
| 06/19/2013 | CN103161428A Method for improving oil temperature at outlet of oil well |
| 06/19/2013 | CN101297096B System and method for heating hydrocarbon containing formation and method for installing system in formation opening |
| 06/18/2013 | US8464792 Conduction convection reflux retorting process |
| 06/18/2013 | CA2564515C Temperature limited heaters used to heat subsurface formations |
| 06/18/2013 | CA2563585C Reducing viscosity of oil for production from a hydrocarbon containing formation |
| 06/18/2013 | CA2563583C Temperature limited heaters used to heat subsurface formations |
| 06/12/2013 | CN202990999U Thermal insulation connecting hoop of pipe column of heat-isolated oil pipe |
| 06/12/2013 | CN202990997U Direct current power supply type remote control medicine adding system with solar heater |
| 06/12/2013 | CN202986933U Gas circuit structure of gas well flushing-wax removal vehicle |
| 06/12/2013 | CN103154427A Methods for joining insulated conductors |
| 06/12/2013 | CN103154424A Marine subsea free-standing riser systems and methods |
| 06/11/2013 | CA2677756C Arctic platform |
| 06/06/2013 | US20130140027 Method and apparatus for a downhole gas generator |
| 06/06/2013 | US20130140018 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 |
| 06/05/2013 | CN202970561U Oil well cleaning vehicle |
| 06/05/2013 | CN103134234A Annular disposed Stirling heat exchanger |
| 06/05/2013 | CN103132949A Heater cable for tubing in shale type hydrocarbon production wells |
| 06/05/2013 | CN103132948A Shaft circulating heating pressurizing device and heating pressurizing process thereof |
| 06/05/2013 | CN103132947A Shaft circulating heating pressurizing device |
| 06/05/2013 | CN103132946A Circulating heating pressurization process applied to wellbore |
| 06/04/2013 | US8453738 Methods and systems for downhole active cooling |
| 06/01/2013 | CA2798461A1 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 |
| 05/30/2013 | WO2013078369A1 Synthetic sweet spots in tight formations by injection of nano encapsulated reactants |
| 05/30/2013 | CA2855741A1 Synthetic sweet spots in tight formations by injection of nano encapsulated reactants |
| 05/29/2013 | CN101553640B Heater, method for heating hydrocarbon-containing stratum using the heater, produced hydrocarbon composition and transportation fuel |
| 05/29/2013 | CN101454536B heater, method for heating underground layer and produced hydrocarbon composition and fuel for transport |
| 05/28/2013 | US8448708 Method and apparatus for freeze-thaw well stimulation using orificed refrigeration tubing |
| 05/22/2013 | EP2594732A1 Heat dissipation in downhole equipment |
| 05/22/2013 | CN202946232U Cooling system |
| 05/22/2013 | CN202946113U Thickened oil exploitation solar energy battery mixed power supply heating device |
| 05/21/2013 | US8443887 Twinaxial linear induction antenna array for increased heavy oil recovery |
| 05/21/2013 | CA2795090A1 Annular disposed stirling heat exchanger |
| 05/16/2013 | WO2012051148A3 Marine subsea assemblies |
| 05/15/2013 | CN101680285B Downhole burners for in situ conversion of organic-rich rock formations |
| 05/15/2013 | CN101680284B Downhole burner wells for in situ conversion of organic-rich rock formations |
| 05/14/2013 | US8439110 Single packer system for use in heavy oil environments |
| 05/14/2013 | US8439105 Completion system for subsurface equipment |
| 05/09/2013 | US20130112403 Multiple Electrical Connections To Optimize Heating For In Situ Pyrolysis |
| 05/08/2013 | CN103089198A Ordinary pressure water jacket furnace of acidic gas field wellhead |
| 05/07/2013 | US8434555 Irregular pattern treatment of a subsurface formation |
| 05/07/2013 | US8434554 Groundwater well |
| 05/02/2013 | WO2013060610A1 Capacitor device for a conductor loop in a device for the in-situ production of heavy oil and bitumen from oil-sand deposits |
| 05/02/2013 | US20130104596 Self-priming pump |
| 05/02/2013 | CA2853565A1 Capacitor device for a conductor loop of a device for "in situ" production of heavy oil and bitumen from oil sands deposits |
| 05/01/2013 | EP2586095A1 Diaxial power transmission line for continuous dipole antenna |
| 05/01/2013 | EP2585509A1 Coated parts and use thereof |
| 05/01/2013 | CN202918202U Control cabinet universally for electric heating in oil well |
| 05/01/2013 | CN202914080U Warming and metering device for wellhead oil storage |
| 05/01/2013 | CN202914038U Semiconductor refrigerating device under well |
| 05/01/2013 | CN103075805A System for heating crude oil under joint action of heat pump for recovering oil field sewage residual heat and water jacket furnace |
| 05/01/2013 | CN103075129A Heating control system for coalbed gas wellhead pipeline |
| 05/01/2013 | CN101440703B Method and apparatus for pipeline exploding early warning and operation control of oil extraction steam-filling boiler |
| 04/30/2013 | US8430166 Geothermal energy extraction system and method |
| 04/30/2013 | US8430157 Thermal control system |
| 04/25/2013 | WO2013059251A1 Venting system and method to reduce adiabatic heating of pressure control equipment |
| 04/25/2013 | US20130098625 Systems and Methods For Inductive Subsea Hydrocarbon Pipeline Heating For Pipeline Remediation |
| 04/24/2013 | CN202900221U Thickened oil steam huff and puff injection-extraction integrated device |
| 04/24/2013 | CN202900057U Tubing string for paraffin removal from oil well |
| 04/24/2013 | CN103069104A Wellbore mechanical integrity for in situ pyrolysis |
| 04/24/2013 | CN103061731A Method for producing viscous hydrocarbon using steam and carbon dioxide |
| 04/23/2013 | US8424608 System and method for remediating hydrates |
| 04/23/2013 | US8424602 Gas-assisted process for in-situ bitumen recovery from carbonate reservoirs |
| 04/18/2013 | US20130092379 Open loop cooling system and method for downhole tools |
| 04/17/2013 | EP2580300A1 An oil-based grouting composition with an insulating material |
| 04/17/2013 | EP2580172A1 A water-based grouting composition with an insulating material |
| 04/17/2013 | CN202882867U Oil well frequency conversion high-efficiency electromagnetism heating furnace |
| 04/17/2013 | CN202882805U Two-channel phase-changing watering and hot-washing device |
| 04/17/2013 | CN102031946B Heating device for oil nozzle sleeve |
| 04/16/2013 | CA2537558C Systems and methods of downhole thermal property measurement |
| 04/11/2013 | WO2013052569A1 Forming a tubular around insulated conductors and/or tubulars |
| 04/11/2013 | WO2013052558A1 Forming insulated conductors using a final reduction step after heat treating |
| 04/11/2013 | WO2013050746A1 A well fluid heat exchange system, a control assembly and method thereof |
| 04/11/2013 | US20130087335 Method and Apparatus for Use in Well Abandonment |
| 04/11/2013 | US20130087334 Downhole device actuator and method |
| 04/11/2013 | US20130087327 Using dielectric properties of an insulated conductor in a subsurface formation to assess properties of the insulated conductor |
| 04/11/2013 | CA2850808A1 Forming insulated conductors using a final reduction step after heat treating |
| 04/11/2013 | CA2850758A1 Forming a tubular around insulated conductors and/or tubulars |
| 04/10/2013 | EP2576968A1 Method and apparatus for use in well abandonment |
| 04/10/2013 | CN202868650U Electric heating steam ice melting sump oil removing and spray-painting device |
| 04/04/2013 | WO2012051149A3 Marine subsea free-standing riser systems and methods |
| 04/04/2013 | US20130081875 Umbilical technique for robotic mineral mole |
| 04/04/2013 | US20130081816 Thermothickener Polymer and Surfactant Composition and Methods of Employing the Composition |
| 04/03/2013 | CN202850899U Movable electrical heating well washing device |
| 04/03/2013 | CN101684725B Control method and device of burner in oil-field hot-washing wax remover |
| 04/02/2013 | US8408304 Pump mechanism for cooling of rotary bearings in drilling tools and method of use thereof |
| 04/02/2013 | US8408294 Radio frequency technology heater for unconventional resources |
| 03/27/2013 | CN202832406U Oil well eddy heating device |
| 03/27/2013 | CN202832390U Hot washing wax melting device |
| 03/27/2013 | CN202832389U Oil sleeve electric connector |
| 03/27/2013 | CN103003613A Apparatus and method for heating of hydrocarbon deposits by axial rf coupler |