| 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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| 02/22/2007 | CA2746617A1 Communicating fluids with a heated-fluid generation system |
| 02/21/2007 | CN2871836Y Depressed return-pressure accessory of oil well |
| 02/21/2007 | CN2871826Y Self-circulating hot-washing wax remover of oil well having no harm to pay |
| 02/15/2007 | WO2006085791A3 Method for heating an oil-producing well with the aid of a deep-well pump, a device for carrying out said method and a deep-well pump (variants) for said device |
| 02/14/2007 | EP1751394A2 Improved down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
| 02/08/2007 | WO2004092529A3 Arctic platform |
| 02/07/2007 | CN2866806Y Oilwell down conversion heating device |
| 02/06/2007 | CA2281276C A thermal solvent process for the recovery of heavy oil and bitumen and in situ solvent recycle |
| 01/23/2007 | US7165621 Method for exploitation of gas hydrates |
| 01/23/2007 | US7165607 Resistive down hole heating tool |
| 01/17/2007 | CN1295294C Method for making quasi-incompressible phase-change material with low thermal conductivity, and resulting product |
| 01/11/2007 | WO2006105014A3 Cryogenic pulsejet |
| 01/10/2007 | CN2856405Y Heater for natural gas wellhead |
| 01/03/2007 | EP1738058A1 Inhibiting effects of sloughing in wellbores |
| 01/03/2007 | EP1738057A1 Subsurface electrical heaters using nitride insulation |
| 01/03/2007 | EP1738056A1 Temperature limited heaters used to heat subsurface formations |
| 01/03/2007 | EP1738055A1 Temperature limited heaters used to heat subsurface formations |
| 01/03/2007 | EP1738054A1 Reducing viscosity of oil for production from a hydrocarbon containing formation |
| 01/03/2007 | EP1738053A1 Temperature limited heaters with thermally conductive fluid used to heat subsurface formations |
| 01/03/2007 | EP1738052A1 Inhibiting reflux in a heated well of an in situ conversion system |
| 01/03/2007 | CN1293282C In-situ casting of well equipment |
| 01/02/2007 | US7156176 Installation and use of removable heaters in a hydrocarbon containing formation |
| 12/28/2006 | US20060289536 Subsurface electrical heaters using nitride insulation |
| 12/26/2006 | US7152657 In-situ casting of well equipment |
| 12/21/2006 | US20060283598 Method and apparatus for in-situ radiofrequency assisted gravity drainage of oil (RAGD) |
| 12/20/2006 | EP1733119A1 Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 12/20/2006 | CN2849150Y Drum type heat insulation jacket of oil field well head |
| 12/13/2006 | EP1730663A2 Providing a local response to a local condition in an oil well |
| 12/13/2006 | CN2846747Y Power leading-in device for screw pump idle rod cable heating process |
| 12/13/2006 | CN2846744Y Full range electromagnetic heater |
| 12/13/2006 | CN2846733Y Oil field wellhead series heat insulation sleeve |
| 12/12/2006 | CA2410844C Superplastic material used in a wellbore |
| 12/07/2006 | WO2004097159A9 Thermal processes for subsurface formations |
| 12/06/2006 | CN2844424Y Electric heating furnace at well-opening of oil field |
| 12/06/2006 | CN1873185A Method and equipment for heat washing and cleaning wax in self-loop for oil well |
| 11/29/2006 | EP1726187A2 Extracting and processing hydrocarbon-bearing formations |
| 11/29/2006 | CN2841952Y Circular flow-path anti-freeze well head device |
| 11/28/2006 | US7140433 oligomers and/or polymers formed by reacting a diamine and a primary amine-aldehyde reaction product, where the reaction product comprises substantially biomolecular adducts of primary amines aldehydes |
| 11/22/2006 | CN2839556Y Wax reducing and thermal insulating device |
| 11/22/2006 | CN1865654A Lower-pipe type permanent-magnet vortex heating device for oil well |
| 11/16/2006 | US20060254769 Systems and methods for producing oil and/or gas |
| 11/14/2006 | US7134495 Apparatus and method for lining a downhole casing |
| 11/09/2006 | WO2006078946A3 Down hole physical upgrading of heavy crude oils by selective energy absorption |
| 11/08/2006 | CN1283893C Electrical well heating system and method |
| 11/02/2006 | WO2006116133A1 In situ conversion process systems utilizing wellbores in at least two regions of a formation |
| 11/02/2006 | WO2006116131A1 Subsurface connection methods for subsurface heaters |
| 11/02/2006 | WO2006116130A1 Varying properties along lengths of temperature limited heaters |
| 11/02/2006 | WO2006116097A1 Temperature limited heater utilizing non-ferromagnetic conductor |
| 11/02/2006 | WO2006116096A1 In situ conversion process utilizing a closed loop heating system |
| 11/02/2006 | WO2006116095A1 Low temperature barriers for use with in situ processes |
| 11/02/2006 | WO2006116092A1 Methods and systems for producing fluid from an in situ conversion process |
| 11/02/2006 | WO2006116087A1 Double barrier system for an in situ conversion process |
| 11/02/2006 | WO2006116078A1 Insulated conductor temperature limited heater for subsurface heating coupled in a three-phase wye configuration |
| 11/02/2006 | WO2006115943A1 Grouped exposed metal heaters |
| 11/02/2006 | CA2606295A1 Varying properties along lengths of temperature limited heaters |
| 11/02/2006 | CA2606218A1 In situ conversion process systems utilizing wellbores in at least two regions of a formation |
| 11/02/2006 | CA2606217A1 Subsurface connection methods for subsurface heaters |
| 11/02/2006 | CA2606216A1 Temperature limited heater utilizing non-ferromagnetic conductor |
| 11/02/2006 | CA2606210A1 Grouped exposed metal heaters |
| 11/02/2006 | CA2606181A1 Low temperature barriers for use with in situ processes |
| 11/02/2006 | CA2606176A1 Insulated conductor temperature limited heater for subsurface heating coupled in a three-phase wye configuration |
| 11/02/2006 | CA2605729A1 In situ conversion process utilizing a closed loop heating system |
| 11/02/2006 | CA2605724A1 Methods and systems for producing fluid from an in situ conversion process |
| 11/02/2006 | CA2605720A1 Double barrier system for an in situ conversion process |
| 11/01/2006 | CN1854458A Electric heater of re-production of long shutoff thick oil and high viscosity oil well |
| 10/31/2006 | US7128156 Wellbore rig with heat transfer loop apparatus |
| 10/31/2006 | US7128153 Treatment of a hydrocarbon containing formation after heating |
| 10/24/2006 | US7124820 Exothermic tool and method for heating a low temperature metal alloy for repairing failure spots along a section of a tubular conduit |
| 10/24/2006 | US7124596 Downhole sorption cooling and heating in wireline logging and monitoring while drilling |
| 10/19/2006 | WO2006109031A1 Improved packer |
| 10/19/2006 | CA2648340A1 Improved packer |
| 10/18/2006 | CN1280519C Anaerobic burning heating apparatus for oil field well |
| 10/17/2006 | US7121342 Thermal processes for subsurface formations |
| 10/17/2006 | US7121341 Conductor-in-conduit temperature limited heaters |
| 10/12/2006 | WO2006106406A1 An arrangement and a method for heat transport and use in connection with subsea equipment |
| 10/12/2006 | WO2006106299A1 Composition and method for dissipating heat underground |
| 10/10/2006 | US7117944 Drill pipe having an internally coated electrical pathway |
| 10/05/2006 | CA2600722A1 Cryogenic pulsejet |
| 10/04/2006 | CN2823550Y Oil pipe-sleeve electromagnetic loop induction heating well for extracting chick oil |
| 10/04/2006 | CN1278016C Method and system for treating hydrocarbon contg. formation, and method for generating energy therefrom and pyrolysis products therefrom |
| 10/04/2006 | CN1278015C Heating system and method |
| 10/03/2006 | US7115847 In situ processing of hydrocarbon-bearing formations with variable frequency dielectric heating |
| 10/03/2006 | US7114579 System and method for interpreting drilling date |
| 10/03/2006 | US7114566 Heat treatment using natural distributed combustor; oxidation of hydrocarbons to generate heat; pyrolysis |
| 09/28/2006 | US20060213660 Downhole cooling based on thermo-tunneling of electrons |
| 09/27/2006 | CN2821149Y Environment protection type vortex flow wax removing and viscoaity reducing device |
| 09/21/2006 | US20060208031 Concentric, insulated tubular conduits and method for assembly |
| 09/20/2006 | CN2818769Y Automatic superconductive thermal-wash paraffin remover of oil field for power-driven vehicle |
| 09/20/2006 | CN2818767Y Thermal-insulator at well opening |
| 09/19/2006 | US7109457 In situ processing of hydrocarbon-bearing formations with automatic impedance matching radio frequency dielectric heating |
| 09/13/2006 | EP1700003A2 High temperature circuits |
| 09/13/2006 | CN2816345Y Oil-field well mouth double heat-insulation cover |
| 09/12/2006 | US7105104 Liquid phase phase change material and thickener |
| 09/06/2006 | EP1698890A1 System and method of downhole thermal property measurement |
| 09/06/2006 | EP1644709A4 Method and apparatus for managing the temperature of thermal components |
| 09/06/2006 | CN2813889Y Oil well variable frequency efficient electromagnetic heating apparatus |
| 09/06/2006 | CN1828012A System and method of downhole thermal property measurement |
| 09/05/2006 | US7100994 injecting a heated fluid into the well bore, producing a second fluid from the formation, conducting an in situ conversion process in the selected section. |
| 08/31/2006 | US20060191687 Switchable power allocation in a downhole operation |
| 08/31/2006 | US20060191683 Systems and methods of downhole thermal property measurement |