| 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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| 03/06/2014 | WO2014035777A1 Methods for completing subterranean wells |
| 03/05/2014 | CN203463075U Oil well mouth hot washing device |
| 03/05/2014 | CN103615215A Side and bottom water layer thermal recovery method allowing electrically heating oil deposit in horizontal well |
| 03/05/2014 | CN101463711B Heat dissipation |
| 03/04/2014 | US8662176 Method of cooling a downhole gas generator |
| 03/04/2014 | US8662175 Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities |
| 03/04/2014 | US8662169 Borehole metal member bonding system and method |
| 02/27/2014 | WO2014029009A1 Bitumen recovery process |
| 02/26/2014 | CN203457339U Oil well steel wire conductor thermal recovery cable |
| 02/26/2014 | CN203452731U Paraffin removing vehicle |
| 02/26/2014 | CN203452730U Electrical heating wellhead insulation case |
| 02/26/2014 | CN103603649A Oil gas throttling, heat-preserving and separation metering integrated equipment |
| 02/26/2014 | CN102305046B Controlling the pressure within an annular volume of a wellbore |
| 02/25/2014 | US8656998 In situ heating for reservoir chamber development |
| 02/19/2014 | EP2697480A1 A subsea cooling apparatus, and a separately retrievable submersible pump module for a submerged heat exchanger |
| 02/19/2014 | CN203441440U Thickened oil recovery system for horizontal well |
| 02/18/2014 | CA2605724C Methods and systems for producing fluid from an in situ conversion process |
| 02/13/2014 | US20140041851 Wellhead Lubricator Cover |
| 02/12/2014 | CN203430482U Wellhole-pipeline self-energy heating paraffin removal integrated device |
| 02/12/2014 | CN203430481U Water jacket furnace matched with oilfield high-pressure oil gas well |
| 02/11/2014 | US8646524 Recovering heavy oil through the use of microwave heating in horizontal wells |
| 02/06/2014 | WO2014022829A1 System and method for cooling a downhole gas generator |
| 02/06/2014 | WO2012168088A3 Method for extracting shale gas |
| 02/06/2014 | US20140034318 Electromagnetic heating of cnt and cnt based derivatives dispersions and solutions or cnt and cnt based derivatives containing coatings or metals for oil and gas equipment for remediation or prevention of solids formation in wellbores |
| 02/06/2014 | US20140034302 Method of operation of a downhole gas generator with multiple combustion chambers |
| 02/05/2014 | CN203420673U Frequency-conversion electric heating device for oil pipes |
| 01/30/2014 | WO2014018696A1 Utilization of microwave technology in enhanced oil recovery process for deep shallow applications |
| 01/30/2014 | US20140027119 In situ recovery from a hydrocarbon containing formation |
| 01/29/2014 | CN203413837U 水套炉呼吸阀 Water jacket furnace breathing valve |
| 01/29/2014 | CN203412565U Acid fracturing and thermal washing crowbar |
| 01/29/2014 | CN103542422A Boiler combustion system of steam paraffin vehicle |
| 01/29/2014 | CN103541687A Electric heating well washing device for producing well |
| 01/23/2014 | WO2014014358A1 Subsea cooling assembly and method for cooling |
| 01/23/2014 | US20140020908 Rf antenna assembly including dual-wall conductor and related methods |
| 01/22/2014 | EP2686519A2 Electrical and static fracturing of a reservoir |
| 01/22/2014 | EP2686518A2 Electrical reservoir fracturing |
| 01/21/2014 | US8631870 Snubbing tubulars from a SAGD well |
| 01/21/2014 | CA2606216C Temperature limited heater utilizing non-ferromagnetic conductor |
| 01/16/2014 | US20140014327 Methodology and system for producing fluids from a condensate gas reservoir |
| 01/16/2014 | US20140014326 Method of upgrading and recovering a hydrocarbon resource for pipeline transport and related system |
| 01/16/2014 | US20140014325 Method for recovering a hydrocarbon resource from a subterranean formation including additional upgrading at the wellhead and related apparatus |
| 01/16/2014 | US20140014316 Apparatus for transporting and upgrading a hydrocarbon resource through a pipeline and related methods |
| 01/15/2014 | CN203394487U Insertion pipe sealing thermal insulation injection and production release pipe string of horizontal well |
| 01/15/2014 | CN203394439U Simple wellhead unfreezing device |
| 01/14/2014 | US8627887 In situ recovery from a hydrocarbon containing formation |
| 01/08/2014 | CN203383799U Adjusting type antifreeze casing constant pressure air bleed recovery unit |
| 01/08/2014 | CN103499105A Automatic ignition device of water jacket furnace on oil well pipeline |
| 01/07/2014 | US8622133 Resistive heater for in situ formation heating |
| 01/03/2014 | WO2014004356A1 Fracturing apparatus |
| 01/03/2014 | WO2014004355A1 High pressure combustor with hot surface ignition |
| 01/03/2014 | WO2014004353A1 Downhole combustor |
| 01/03/2014 | WO2014003575A1 Cooling system for subsea elements |
| 01/03/2014 | WO2014001383A1 Subsea unit comprising a two-phase cooling system |
| 01/03/2014 | CA2877595A1 High pressure combustor with hot surface ignition |
| 01/03/2014 | CA2876974A1 Downhole combustor |
| 01/02/2014 | US20140000898 Method of cooling downhole element using nanoenhanced downhole fluid |
| 01/01/2014 | EP2679765A1 Subsea unit comprising a two-phase cooling system |
| 01/01/2014 | CN203374242U Annular self heat preserving well mouth combination device |
| 01/01/2014 | CN203374228U Oil-water well head vapor cleaning apparatus |
| 12/31/2013 | US8616283 Process for treating water in heavy oil production using coated heat exchange units |
| 12/31/2013 | US8616282 System and method for determining downhole fluid parameters |
| 12/31/2013 | US8616273 Effective solvent extraction system incorporating electromagnetic heating |
| 12/31/2013 | CA2571100C Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device |
| 12/26/2013 | US20130341018 Recovery From A Subsurface Hydrocarbon Reservoir |
| 12/26/2013 | US20130341015 Downhole combustor |
| 12/25/2013 | CN203362117U Well head electromagnetic heating device of oil well |
| 12/25/2013 | CN203362116U Novel heating furnace |
| 12/25/2013 | CN103470219A Winter rubber core passing auxiliary heating device for double-rubber-core rotating head |
| 12/24/2013 | US8613316 Downhole steam generator and method of use |
| 12/22/2013 | CA2780670A1 Improving recovery from a subsurface hydrocarbon reservoir |
| 12/19/2013 | WO2013187771A1 Using wellstream heat exchanger for flow assurance |
| 12/18/2013 | CN203347746U Mineshaft anti-freezing device by return air heat energy |
| 12/18/2013 | CN101680287B Heating systems for heating subsurface formations and method for heating subsurface formations |
| 12/17/2013 | US8607862 Method and device for in-situ conveying of bitumen or very heavy oil |
| 12/11/2013 | CN102305027B Anti-corrosion thermal-proof oil pipe with thermal barrier coating on surface for thermal recovery of thick oil |
| 12/10/2013 | US8606091 Subsurface heaters with low sulfidation rates |
| 12/05/2013 | WO2013178992A1 Insulation material |
| 12/05/2013 | US20130319662 Systems and Methods For Hydrotreating A Shale Oil Stream Using Hydrogen Gas That Is Concentrated From The Shale Oil Stream |
| 11/28/2013 | WO2013174584A1 Active control of subsea coolers |
| 11/28/2013 | WO2013006660A3 Method for hydrocarbon recovery using sagd and infill wells with rf heating |
| 11/27/2013 | CN103410472A Wax-removal, wax-proof and viscosity reduction technology with super conductive heat pipe |
| 11/27/2013 | CN102383766B Self-heating natural gas hydrate preventing device |
| 11/26/2013 | US8590620 Oil shale processing |
| 11/21/2013 | US20130309888 Metal encased cable power delivery system for downhole pumping or heating systems |
| 11/20/2013 | CN103403291A Zero emission steam generation process |
| 11/13/2013 | CN203285392U Multifunctional heavy oil well heating device |
| 11/13/2013 | CN102226390B Testing device for deep wells and high-temperature and high-pressure wells |
| 11/12/2013 | US8579031 Thermal processes for subsurface formations |
| 11/07/2013 | WO2002085821A3 In situ recovery from a relatively permeable formation containing heavy hydrocarbons |
| 11/06/2013 | CN103382814A Flexible electric heating sucker rod |
| 11/06/2013 | CN101892826B Gas and electric heating assisted gravity oil drainage technology |
| 11/05/2013 | US8573292 Method for producing viscous hydrocarbon using steam and carbon dioxide |
| 11/05/2013 | CA2648340C Improved packer |
| 10/31/2013 | WO2013163052A2 System for heating a hydrocarbon resource in a subterranean formation including a transformer and related methods |
| 10/31/2013 | WO2013130906A3 Oil well head pressure reduction device and method of use |
| 10/31/2013 | US20130284442 Heat Treatment for Removal of Bauschinger Effect or to Accelerate Cement Curing |
| 10/31/2013 | US20130284430 System for heating a hydrocarbon resource in a subterranean formation including a magnetic amplifier and related methods |
| 10/31/2013 | US20130284429 System for heating a hydrocarbon resource in a subterranean formation including a transformer and related methods |
| 10/30/2013 | CN203257375U High intermediate frequency electric heating device |
| 10/30/2013 | CN101796262B Well system and method for detecting and analyzing acoustic signals |