| 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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| 08/30/2007 | US20070199697 Enhanced hydrocarbon recovery by steam injection of oil sand formations |
| 08/29/2007 | CN200940472Y Anti-explosion heating and heat insulation box of oil-water well wellhead |
| 08/27/2007 | CA2537987A1 Method and apparatus for freeze protecting an oilrig moat and use of a self-regulating cable |
| 08/23/2007 | US20070193748 Method for producing viscous hydrocarbon using steam and carbon dioxide |
| 08/22/2007 | CN2937470Y Oil well and pipeline vacuum phase-change heater |
| 08/22/2007 | CN2937469Y Microwave heating device of producting well |
| 08/21/2007 | US7258169 Methods of heating energy storage devices that power downhole tools |
| 08/21/2007 | CA2335771C Production of heavy hydrocarbons by in-situ hydrovisbreaking |
| 08/16/2007 | WO2007092956A2 Managed pressure and/or temperature drilling system and method |
| 08/14/2007 | CA2326422C System and method for pumping and heating viscous fluids in a wellbore |
| 08/09/2007 | US20070181306 Field application of polymer-based electrical insulation |
| 08/08/2007 | EP1399638B1 Hydrothermal drilling method and system |
| 08/02/2007 | US20070175632 Method and apparatus for insulating a resonator downhole |
| 07/31/2007 | US7249630 Well tool and method for heating and depositing first and second charges of selective temperature melting metal alloys for repairing failure spots along a section of a tubular conduit in a subterranean well |
| 07/26/2007 | WO2007086867A1 Selective electromagnetic production tool |
| 07/26/2007 | US20070169939 Wellbore casing and method of forming same |
| 07/24/2007 | US7246940 Method and apparatus for managing the temperature of thermal components |
| 07/24/2007 | CA2420470C Apparatus and method for lining a downhole casing |
| 07/19/2007 | US20070167542 Method of using water-superabsorbent polymer in production tubing and pipes |
| 07/19/2007 | US20070163186 Arctic platform |
| 07/18/2007 | EP1808570A1 System for drilling the ground to obtain circulation of fluid in a plant for exploitation of geothermal energy |
| 07/11/2007 | CN2921271Y Oil well active metal paraffin removal deplugging bar |
| 07/11/2007 | CN2921270Y Fast assembling horizontal convection section |
| 07/11/2007 | CN2921269Y Moving oil well crude oil paraffin removal unit |
| 07/05/2007 | US20070151733 Production of natural gas from hydrates |
| 07/05/2007 | US20070151591 Downhole thermoelectric power generation |
| 07/04/2007 | CN2918725Y Oil conduit short-circuiting hot washing apparatus |
| 07/04/2007 | CN2918724Y Oil well pore explosion-proof heating insulation can |
| 06/26/2007 | US7234523 Hydraulic friction fluid heater and method of using same |
| 06/26/2007 | CA2254221C Method and apparatus for heating viscous fluids in a well |
| 06/21/2007 | US20070137826 Creating a well abandonment plug |
| 06/20/2007 | CN2913600Y Medium pressure steam-injection boiler |
| 06/20/2007 | CN2913595Y New type vacuum superconductive heater |
| 06/20/2007 | CN2913594Y Microwave heating wax-proof device for oil well |
| 06/20/2007 | CN1985068A Temperature limited heaters with thermally conductive fluid used to heat subsurface formations |
| 06/14/2007 | US20070131428 Methods of filtering a liquid stream produced from an in situ heat treatment process |
| 06/14/2007 | US20070131411 Thermal processes for subsurface formations |
| 06/07/2007 | US20070127897 Subsurface heaters with low sulfidation rates |
| 06/06/2007 | CN2908773Y High strength electrothermal oil pipe insulation short piece |
| 05/31/2007 | US20070119592 Earth heat transfer loop apparatus |
| 05/30/2007 | CN2906049Y Self-supplying well cleanout boiler |
| 05/23/2007 | EP1788188A1 Wellbore formation evaluation system and method with cooling |
| 05/23/2007 | CN2903347Y Electric heating well washing apparatus |
| 05/23/2007 | CN2903337Y Oil pipe insulating short joint |
| 05/22/2007 | US7219747 Providing a local response to a local condition in an oil well |
| 05/22/2007 | US7219735 Immiscible with capping fluid; preventing pollution; kits |
| 05/22/2007 | US7219734 Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation |
| 05/22/2007 | US7219733 Zeolite compositions for lowering maximum cementing temperature |
| 05/22/2007 | US7219500 Compressor fuel gas conditioner |
| 05/18/2007 | WO2007055592A1 An arrangement for heating a hydrocarbon transport line |
| 05/17/2007 | US20070108202 Processing hydrocarbons with Debye frequencies |
| 05/17/2007 | US20070107901 In-situ method of fracturing gas shale and geothermal areas |
| 05/16/2007 | CN2900780Y Electric heating steel continuous oil pumping rod oil production device |
| 05/16/2007 | CN2900773Y Well washing and wax removing machine for oil field |
| 05/10/2007 | US20070102152 Recovery of hydrocarbons using electrical stimulation |
| 05/09/2007 | CN2898706Y Energy-saving heat-supply system substituting for heating furnace in combined station |
| 05/09/2007 | CN2898612Y Crude-oil and briquette heating furnace |
| 05/09/2007 | CN2898284Y Electric heater of oil pipeline |
| 05/03/2007 | WO2007050476A1 Systems and methods for producing hydrocarbons from tar sands with heat created drainage paths |
| 05/03/2007 | WO2007050469A1 Temperature limited heater with a conduit substantially electrically isolated from the formation |
| 05/03/2007 | WO2007050445A1 Cogeneration systems and processes for treating hydrocarbon containing formations |
| 05/03/2007 | US20070098375 Method and system for direct electric heating of a pipeline |
| 05/03/2007 | US20070095535 Method and apparatus for insulating a resonator downhole |
| 05/03/2007 | US20070095096 Downhole sorption cooling and heating in wireline logging and monitoring while drilling |
| 05/03/2007 | CA2626969A1 Temperature limited heater with a conduit substantially electrically isolated from the formation |
| 05/03/2007 | CA2626946A1 Cogeneration systems and processes for treating hydrocarbon containing formations |
| 05/03/2007 | CA2626905A1 Systems and methods for producing hydrocarbons from tar sands with heat created drainage paths |
| 05/02/2007 | EP1779938A2 Process and apparatus for selective dielectrical heating a particulate bed using elongate electrodes |
| 05/02/2007 | EP1726187A4 Extracting and processing hydrocarbon-bearing formations |
| 05/02/2007 | CN1957158A Temperature limited heaters used to heat subsurface formations |
| 04/25/2007 | CN2894184Y Electric heating plate type far infrared heater |
| 04/25/2007 | CN1954131A Subsurface electrical heaters using nitride insulation |
| 04/24/2007 | US7207389 Hybrid coiled tubing/fluid pumping unit |
| 04/12/2007 | WO2004083595A3 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 04/11/2007 | CN2888065Y Moveable electric-heating well-cleanout apparatus |
| 04/11/2007 | CN2888064Y Production-aiding electric-heating furnace for oil production well mouth |
| 04/11/2007 | CN1946919A Reducing viscosity of oil for production from a hydrocarbon containing formation |
| 04/11/2007 | CN1946918A Inhibiting effects of sloughing in wellbores |
| 04/11/2007 | CN1946917A Inhibiting reflux in a heated well of an in situ conversion system |
| 04/05/2007 | WO2007037684A1 Method and electromagnetic device for causing a fluid flow through a subterranean permeable formation, and borehole provided with such a device |
| 04/04/2007 | EP1770242A1 Method and electromagnetic device for causing a fluid flow through a subterranean permeable formation, and borehole provided with such a device |
| 04/04/2007 | CN2886070Y Heat-transmission structure containing man fire tube and secondary fire tube |
| 04/04/2007 | CN2886069Y Heat transmission structure for internal and external cylinder with bent water pipe |
| 04/03/2007 | US7198108 Changing the temperature of offshore produced water |
| 03/29/2007 | WO2007035075A1 Method for producing hydrocarboneous feedstock and an arrangement for carrying out said method |
| 03/29/2007 | WO2006135565A3 Thermal activation mechanisms for use in oilfield applications |
| 03/22/2007 | US20070062704 Method and system for enhancing hydrocarbon production from a hydrocarbon well |
| 03/21/2007 | CN1934331A Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 03/20/2007 | CA2560223A1 Recovery of hydrocarbons using electrical stimulation |
| 03/15/2007 | US20070056738 Stimulation and injection system |
| 03/14/2007 | CN1930920A Extracting and processing hydrocarbon-bearing formations |
| 03/14/2007 | CN1928320A Cleaning wax apparatus |
| 03/01/2007 | WO2007023255A1 Pipe lining |
| 02/28/2007 | CN2874017Y Paraffin cleaning stick for oil well |
| 02/28/2007 | CN1920247A Magneto-thermo wax-proofing apparatus for oil exploitation |
| 02/27/2007 | US7182132 Linearly scalable geothermic fuel cells |
| 02/22/2007 | WO2007022166A1 Communicating fluids with a heated-fluid generation system |
| 02/22/2007 | WO2006023023A3 Subterranean electro-thermal heating system and method |
| 02/22/2007 | US20070042306 Apparatus for igniting combustible mediums |
| 02/22/2007 | US20070039736 Communicating fluids with a heated-fluid generation system |