| 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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| 02/07/2008 | US20080029270 Insulation shroud with internal support structure |
| 02/06/2008 | CN101117886A On-line ash-blowing apparatus for steam injection boiler burning petroleum oil coke slurry instead of fuel oil |
| 01/31/2008 | WO2008014356A2 Apparatus, system, and method for in-situ extraction of hydrocarbons |
| 01/31/2008 | WO2008014343A2 Helical chisel insert for rock bits |
| 01/31/2008 | US20080023197 Apparatus, system, and method for in-situ extraction of hydrocarbons |
| 01/30/2008 | CN201013311Y Oil field hot-washing paraffin removal device |
| 01/29/2008 | US7322415 Subterranean electro-thermal heating system and method |
| 01/24/2008 | WO2007124426A3 High strength alloys |
| 01/24/2008 | US20080017381 Downhole steam generation system and method |
| 01/24/2008 | US20080017380 Non-ferromagnetic overburden casing |
| 01/23/2008 | EP1880078A1 Methods and systems for producing fluid from an in situ conversion process |
| 01/23/2008 | EP1381749B1 Method for in situ recovery from a tar sands formation and a blending agent produced by such a method |
| 01/22/2008 | US7320364 Inhibiting reflux in a heated well of an in situ conversion system |
| 01/16/2008 | CN201007197Y Vehicle mounted type oilfield superconducting automatically heat washing wax device |
| 01/16/2008 | CN101107421A Selective electromagnetic production tool |
| 01/16/2008 | CN101107420A Temperature limited heaters used to heat subsurface formations |
| 01/11/2008 | CA2584992A1 Horizontal drilling |
| 01/10/2008 | WO2008004885A1 Underwater cooling assembly |
| 01/10/2008 | WO2008004881A1 Method of cooling a multiphase well effluent stream |
| 01/10/2008 | CA2559117A1 Self-sustaining on-site production of electricity and/or steam for use in the in situ processing of oil shale and/or oil sands |
| 01/08/2008 | US7316275 Enhancing the thermal insulation of tubing or transfer pipe surrounded by an annuli; adding water-superabsorbent mixture of guar gum and carrageenan and a crosslinking agent which is absorbed onto the water-superabsorbent material to delay crosslinking |
| 01/02/2008 | EP1871987A1 In situ conversion process systems utilizing wellbores in at least two regions of a formation |
| 01/02/2008 | EP1871986A1 Varying properties along lengths of temperature limited heaters |
| 01/02/2008 | EP1871985A1 In situ conversion process utilizing a closed loop heating system |
| 01/02/2008 | EP1871984A2 Down hole physical upgrading of heavy crude oils by selective energy absorption |
| 01/02/2008 | EP1871983A1 Subsurface connection methods for subsurface heaters |
| 01/02/2008 | EP1871982A1 Temperature limited heater utilizing non-ferromagnetic conductor |
| 01/02/2008 | EP1871981A1 Grouped exposed metal heaters |
| 01/02/2008 | EP1871980A1 Low temperature barriers for use with in situ processes |
| 01/02/2008 | EP1871979A1 Double barrier system for an in situ conversion process |
| 01/02/2008 | EP1871978A1 Insulated conductor temperature limited heater for subsurface heating coupled in a three-phase wye configuration |
| 01/02/2008 | CN201001087Y Electricity-saving equipment dedicated for intelligent heating |
| 12/27/2007 | US20070295507 Valve Seat |
| 12/26/2007 | CN200996282Y Fire-barrel-type heating furnace at wellhead |
| 12/25/2007 | US7312428 Processing hydrocarbons and Debye frequencies |
| 12/25/2007 | US7311151 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 12/20/2007 | US20070289736 Microwave process for intrinsic permeability enhancement and hydrocarbon extraction from subsurface deposits |
| 12/20/2007 | US20070289733 Wellhead with non-ferromagnetic materials |
| 12/13/2007 | US20070284108 Compositions produced using an in situ heat treatment process |
| 12/13/2007 | US20070284107 Heavy Oil Recovery and Apparatus |
| 12/13/2007 | US20070284097 Consumable downhole tools |
| 12/12/2007 | CN200989191Y Casing connection vessel |
| 12/12/2007 | CN200989190Y Self-heating balance weight |
| 12/11/2007 | US7306042 Method for completing a well using increased fluid temperature |
| 12/11/2007 | US7306039 Methods of using crosslinkable compositions |
| 12/06/2007 | WO2007092956A3 Managed pressure and/or temperature drilling system and method |
| 12/05/2007 | CN200985774Y Air heating blocking removing device |
| 12/04/2007 | CA2485788C Downhole tools with a stirling cooler system |
| 11/30/2007 | CA2592491A1 Microwave process for intrinsic permeability enhancement and hydrocarbon extraction from subsurface deposits |
| 11/28/2007 | CN101078337A Insulating short section |
| 11/27/2007 | US7299868 Method and system for recovery of hydrocarbons from a hydrocarbon-bearing information |
| 11/22/2007 | WO2007133477A1 Thermal insulation compositions containing organic solvent and gelling agent and methods of using the same |
| 11/22/2007 | WO2007095059A3 In situ processing of high-temperature electrical insulation |
| 11/21/2007 | EP1856373A1 Thermal management apparatus, systems, and methods |
| 11/21/2007 | CN200978654Y Inner and outer heating equipment |
| 11/21/2007 | CN200978653Y Gas type water-jacket crude oil heating stove |
| 11/15/2007 | WO2005017302A3 Changing the temperature of offshore produced water |
| 11/14/2007 | EP1620628A4 Arctic platform |
| 11/13/2007 | US7293606 Heat exchanging apparatus |
| 11/07/2007 | CN200971770Y Magnetic thermal wax-proof device for oil production |
| 11/06/2007 | US7290609 Subterranean well secondary plugging tool for repair of a first plug |
| 11/06/2007 | CA2264354C Electrical heater |
| 11/01/2007 | CA2649503A1 Time sequenced heating of multiple layers in a hydrocarbon containing formation |
| 11/01/2007 | CA2649394A1 Adjusting alloy compositions for selected properties in temperature limited heaters |
| 11/01/2007 | CA2649379A1 High strength alloys |
| 10/31/2007 | CN101066010A Cooling apparatus,systems,and methods |
| 10/25/2007 | WO2007121350A1 Packer sealing element with shape memory material |
| 10/24/2007 | CN200964829Y Heating device for oil well |
| 10/23/2007 | US7285762 Sealing method and apparatus for oil and gas wells |
| 10/23/2007 | US7284931 Magma evacuation systems for the prevention of explosions from supervolcanoes |
| 10/18/2007 | WO2007117810A2 Enhanced hydrocarbon recovery by steam injection of oil sand formations |
| 10/18/2007 | WO2007117316A2 Improved down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
| 10/17/2007 | CN101054894A Heater dedicated for normal pressure oil field |
| 10/11/2007 | US20070235193 Method of cooling a downhole tool and a downhole tool |
| 10/10/2007 | CN200958384Y Oil-wellhead thermal-insulating box |
| 10/04/2007 | WO2007112199A2 Enhanced hydrocarbon recovery by vaporizing solvents in oil sand formations |
| 10/04/2007 | WO2007053582A3 Improved vacuum insulated dewar flask |
| 10/04/2007 | CA2647973A1 Enhanced hydrocarbon recovery by vaporizing solvents in oil sand formations |
| 10/03/2007 | CN101048571A Subterranean electro-thermal heating system and method |
| 09/25/2007 | CA2296978C Destruction process for rigid thermal insulation installed in a confined space |
| 09/20/2007 | US20070215613 Extracting And Processing Hydrocarbon-Bearing Formations |
| 09/19/2007 | EP1283939B1 Method for plugging a well with a resin |
| 09/19/2007 | CN200949449Y Deep-well heater of oil field |
| 09/18/2007 | US7270179 Method for stimulation of liquid flow in a well |
| 09/18/2007 | CA2526179C Steam cover for de-icing and thawing surfaces and equipment |
| 09/18/2007 | CA2403980C Method and apparatus for flow measurement |
| 09/18/2007 | CA2363909C Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking |
| 09/13/2007 | US20070209799 In situ recovery from a hydrocarbon containing formation |
| 09/13/2007 | US20070209798 Subterranean barriers, methods, and apparatuses for forming, inspsecting, selectively heating, and repairing same |
| 09/11/2007 | CA2335737C Recovery of heavy hydrocarbons by in-situ hydrovisbreaking |
| 09/06/2007 | US20070204994 IN-SITU EXTRACTION OF HYDROCARBONS FROM OlL SANDS |
| 09/06/2007 | DE112005002780T5 Kühlgeräte, -systeme und -verfahren Cooling devices, systems and methods, |
| 09/05/2007 | EP1830034A2 Rotating control head radial seal protection and leak detection systems |
| 09/05/2007 | EP1588020B1 Apparatus for the cooling of drilling liquids |
| 08/30/2007 | WO2007098100A2 Method for producing viscous hydrocarbon using steam and carbon dioxide |
| 08/30/2007 | US20070199712 Enhanced hydrocarbon recovery by steam injection of oil sand formations |
| 08/30/2007 | US20070199711 Enhanced hydrocarbon recovery by vaporizing solvents in oil sand formations |
| 08/30/2007 | US20070199709 In situ processing of high-temperature electrical insulation |
| 08/30/2007 | US20070199707 Enhanced Hydrocarbon Recovery By Convective Heating of Oil Sand Formations |
| 08/30/2007 | US20070199706 Enhanced hydrocarbon recovery by convective heating of oil sand formations |