| 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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| 08/10/2005 | CA2457329A1 Downhole drilling fluid heating apparatus and method |
| 08/09/2005 | US6926083 Cement heating tool for oil and gas well completion |
| 08/03/2005 | EP1558834A1 Methods and apparatus for a subsea tie back |
| 08/02/2005 | US6923258 In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
| 07/27/2005 | EP1556580A1 Temperature limited heaters for heating subsurface formations or wellbores |
| 07/13/2005 | CN1639443A Method for in situ recovery from a tar sands formation and a blending agent produced by such a method |
| 07/12/2005 | US6915851 Apparatus and method for lining a downhole casing |
| 07/07/2005 | WO2005061967A1 In line oil field or pipeline heating element |
| 07/06/2005 | CN1636108A In situ thermal processing of a hydrocarbon containing formation and improvement of won fluid before further processing |
| 07/05/2005 | US6913078 In Situ thermal processing of hydrocarbons within a relatively impermeable formation |
| 06/28/2005 | US6910536 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
| 06/28/2005 | CA2379941C Method for decreasing heat transfer from production tubing |
| 06/23/2005 | WO2005056976A1 Production of natural gas from hydrates |
| 06/23/2005 | US20050135796 In line oil field or pipeline heating element |
| 06/09/2005 | US20050121204 Apparatus and method for lining a downhole casing |
| 06/07/2005 | US6902004 In situ thermal processing of a hydrocarbon containing formation using a movable heating element |
| 06/07/2005 | US6902003 Allowing heat to transfer from heaters to a formation selected for heating using a total organic matter weight percentage of > 5% and recirculating hydrogen |
| 05/26/2005 | WO2005048664A2 High temperature circuits |
| 05/26/2005 | US20050111917 Vapor collection and treatment of off-gas from an in-situ thermal desorption soil remediation system |
| 05/26/2005 | US20050109511 Oil and gas well alloy squeezing method and apparatus |
| 05/26/2005 | CA2544489A1 System for extracting natural gas hydrate |
| 05/24/2005 | US6896054 Microorganism enhancement with earth loop heat exchange systems |
| 05/24/2005 | US6896053 In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources |
| 05/19/2005 | US20050103498 Production of natural gas from hydrates |
| 05/19/2005 | US20050103497 Downhole flow control apparatus, super-insulated tubulars and surface tools for producing heavy oil by steam injection methods from multi-lateral wells located in cold environments |
| 05/17/2005 | US6892817 High temperature silicone based subsea insulation |
| 05/17/2005 | CA2470366A1 Downhole flow control apparatus, super-insulated tubulars and surface tools for producing heavy oil by steam injection methods from multi-lateral wells located in cold environments |
| 05/12/2005 | WO2005003503A3 Method and apparatus for managing the temperature of thermal components |
| 05/12/2005 | US20050098318 High-temperature circuits |
| 05/11/2005 | CN1614189A Combustion heating apparatus for underground thermal production of petroleum |
| 05/10/2005 | US6889770 Method for thermally protecting subsea installations, and apparatus for implementing such thermal protection |
| 05/10/2005 | US6889769 In situ thermal processing of a hydrocarbon containing formation with a selected moisture content |
| 05/05/2005 | US20050092483 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
| 04/28/2005 | WO2005038347A2 Apparatus for igniting combustible mediums |
| 04/28/2005 | US20050087367 System and method for interpreting drilling data |
| 04/28/2005 | CA2541169A1 Apparatus for igniting combustible mediums |
| 04/27/2005 | CN1609409A Method and apparatus for producing natural gas hydras utilizing microwave heating |
| 04/26/2005 | CA2356037C Live well heater cable |
| 04/20/2005 | CN1608167A In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
| 04/19/2005 | US6880635 Methods and systems for production of hydrocarbons, hydrogen, and/or other products from underground coal formations |
| 04/19/2005 | CA2260381C Downhole motor tool |
| 04/13/2005 | EP1272290B1 Heater element for use in an in situ thermal desorption soil remediation system |
| 04/12/2005 | US6877554 Pyrolysis |
| 04/12/2005 | US6877332 Downhole sorption cooling and heating in wireline logging and monitoring while drilling |
| 04/07/2005 | WO2005031221A2 Hydraulic friction fluid heater and method of using same |
| 04/06/2005 | CA2797650A1 Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore |
| 03/30/2005 | CN2688886Y Electromagnetic heating apparatus for full path of multi-group connected pipes to well bottom |
| 03/29/2005 | US6871707 In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration |
| 03/24/2005 | US20050061512 Hydraulic friction fluid heater and method of using same |
| 03/23/2005 | CN1598239A Anaerobic burning heating apparatus for oil field well |
| 03/15/2005 | US6866097 Superpositioning of heaters for pyrolysis to form mixture of hydrocarbons and hydrogen; controlling pressure; heat exchanging |
| 03/10/2005 | US20050051341 Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device |
| 03/10/2005 | US20050051334 Electrical tubing control and remediation |
| 03/10/2005 | US20050051327 Thermal processes for subsurface formations |
| 03/09/2005 | CN2683840Y Well mouth heating-up and thermal insulation equipment |
| 03/08/2005 | CA2240646C Flameless combustor |
| 03/03/2005 | US20050045337 Method for completing a well using increased fluid temperature |
| 03/02/2005 | CN2682196Y Down-hole three phase power frequency electromagnetic induction heater |
| 02/24/2005 | WO2005017302A2 Changing the temperature of offshore produced water |
| 02/24/2005 | US20050039913 Changing the temperature of offshore produced water |
| 02/24/2005 | US20050039906 Flameless hot oiler |
| 02/22/2005 | CA2312263C Method and apparatus for de-icing oil wells |
| 02/22/2005 | CA2240411C Flameless combustor |
| 02/22/2005 | CA2167491C Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing |
| 02/17/2005 | WO2003035801A3 Producing hydrocarbons and non-hydrocarbon containing materials from a hydrocarbon containing formation |
| 02/09/2005 | CN1188584C Electromagnetic heating composite oil dredging out tool |
| 02/03/2005 | US20050026094 Porous media gas burner |
| 02/02/2005 | EP1502005A1 Method and apparatus for determining drill string movement mode |
| 02/02/2005 | EP1502004A1 System and method for interpreting drilling data |
| 02/02/2005 | EP1502003A2 Method for improving drilling depth measurements |
| 02/02/2005 | CN1575377A Forming openings in a hydrocarbon containing formation using magnetic tracking |
| 02/02/2005 | CN1575376A In situ recovery from a hydrocarbon containing formation using barriers |
| 02/02/2005 | CN1575375A In situ updating of coal |
| 02/02/2005 | CN1575374A Seismic monitoring of in situ conversion in a hydrocarbon containing formation |
| 02/02/2005 | CN1575373A In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well |
| 01/31/2005 | CA2436480A1 Porous media gas burner |
| 01/26/2005 | CN1570349A Modulated wave oil pipe electric heating oil extraction and wax cleaning apparatus |
| 01/13/2005 | WO2005003503A2 Method and apparatus for managing the temperature of thermal components |
| 01/13/2005 | US20050006097 Variable frequency temperature limited heaters |
| 01/13/2005 | US20050005624 Downhole sorption cooling and heating in wireline logging and monitoring while drilling |
| 01/11/2005 | CA2246504C Downhole flow stimulation in a natural gas well |
| 12/30/2004 | US20040264543 Method and apparatus for managing the temperature of thermal components |
| 12/29/2004 | WO2004113669A1 Liquid carbon dioxide cleaning of wellbores and near-wellbore areas |
| 12/23/2004 | US20040256104 Removing any scale or deposits in gas wells, by injecting a liquid carbon dioxide at a pressure below the formation fracturing pressure, depressurization to vaporize carbon dioxide, and blow out any dissolved scale materials |
| 12/21/2004 | CA2336427C Apparatus for trace heating a wellhead fuel gas line and scrubber |
| 12/09/2004 | US20040244982 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 12/07/2004 | US6828531 Oil and gas well alloy squeezing method and apparatus |
| 12/07/2004 | US6826954 Method and apparatus for flow measurement |
| 12/07/2004 | CA2128761C Downhole radial flow steam generator for oil wells |
| 12/01/2004 | CN1177992C Method for thermal producing ultrathick oil by cyclic steam stimulation and special apparatus thereof |
| 11/30/2004 | US6824328 Vapor collection and treatment of off-gas from an in-situ thermal desorption soil remediation |
| 11/30/2004 | CA2167486C Coiled tubing composite |
| 11/23/2004 | US6820688 Heat exchanging after pyrolyzation to support synthesis gas generation |
| 11/17/2004 | CN2656623Y Automatic anti-freezing device for temp. differential operating equipment |
| 11/11/2004 | WO2004097159A2 Thermal processes for subsurface formations |
| 11/10/2004 | CN2654850Y Downhole three-phase power frequency electromagnetic induction heater |
| 11/09/2004 | US6814146 Annulus for electrically heated pipe-in-pipe subsea pipeline |
| 11/04/2004 | US20040216881 Down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
| 11/03/2004 | EP1203185B1 System and method for heat insulation of a conduit with vegetable foam |
| 11/03/2004 | CN2653120Y Automatic control electric heating water jacket furnace for oil well |