Patents
Patents for E21B 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones (4,262)
02/2008
02/07/2008US20080029270 Insulation shroud with internal support structure
02/06/2008CN101117886A On-line ash-blowing apparatus for steam injection boiler burning petroleum oil coke slurry instead of fuel oil
01/2008
01/31/2008WO2008014356A2 Apparatus, system, and method for in-situ extraction of hydrocarbons
01/31/2008WO2008014343A2 Helical chisel insert for rock bits
01/31/2008US20080023197 Apparatus, system, and method for in-situ extraction of hydrocarbons
01/30/2008CN201013311Y Oil field hot-washing paraffin removal device
01/29/2008US7322415 Subterranean electro-thermal heating system and method
01/24/2008WO2007124426A3 High strength alloys
01/24/2008US20080017381 Downhole steam generation system and method
01/24/2008US20080017380 Non-ferromagnetic overburden casing
01/23/2008EP1880078A1 Methods and systems for producing fluid from an in situ conversion process
01/23/2008EP1381749B1 Method for in situ recovery from a tar sands formation and a blending agent produced by such a method
01/22/2008US7320364 Inhibiting reflux in a heated well of an in situ conversion system
01/16/2008CN201007197Y Vehicle mounted type oilfield superconducting automatically heat washing wax device
01/16/2008CN101107421A Selective electromagnetic production tool
01/16/2008CN101107420A Temperature limited heaters used to heat subsurface formations
01/11/2008CA2584992A1 Horizontal drilling
01/10/2008WO2008004885A1 Underwater cooling assembly
01/10/2008WO2008004881A1 Method of cooling a multiphase well effluent stream
01/10/2008CA2559117A1 Self-sustaining on-site production of electricity and/or steam for use in the in situ processing of oil shale and/or oil sands
01/08/2008US7316275 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
01/02/2008EP1871987A1 In situ conversion process systems utilizing wellbores in at least two regions of a formation
01/02/2008EP1871986A1 Varying properties along lengths of temperature limited heaters
01/02/2008EP1871985A1 In situ conversion process utilizing a closed loop heating system
01/02/2008EP1871984A2 Down hole physical upgrading of heavy crude oils by selective energy absorption
01/02/2008EP1871983A1 Subsurface connection methods for subsurface heaters
01/02/2008EP1871982A1 Temperature limited heater utilizing non-ferromagnetic conductor
01/02/2008EP1871981A1 Grouped exposed metal heaters
01/02/2008EP1871980A1 Low temperature barriers for use with in situ processes
01/02/2008EP1871979A1 Double barrier system for an in situ conversion process
01/02/2008EP1871978A1 Insulated conductor temperature limited heater for subsurface heating coupled in a three-phase wye configuration
01/02/2008CN201001087Y Electricity-saving equipment dedicated for intelligent heating
12/2007
12/27/2007US20070295507 Valve Seat
12/26/2007CN200996282Y Fire-barrel-type heating furnace at wellhead
12/25/2007US7312428 Processing hydrocarbons and Debye frequencies
12/25/2007US7311151 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons
12/20/2007US20070289736 Microwave process for intrinsic permeability enhancement and hydrocarbon extraction from subsurface deposits
12/20/2007US20070289733 Wellhead with non-ferromagnetic materials
12/13/2007US20070284108 Compositions produced using an in situ heat treatment process
12/13/2007US20070284107 Heavy Oil Recovery and Apparatus
12/13/2007US20070284097 Consumable downhole tools
12/12/2007CN200989191Y Casing connection vessel
12/12/2007CN200989190Y Self-heating balance weight
12/11/2007US7306042 Method for completing a well using increased fluid temperature
12/11/2007US7306039 Methods of using crosslinkable compositions
12/06/2007WO2007092956A3 Managed pressure and/or temperature drilling system and method
12/05/2007CN200985774Y Air heating blocking removing device
12/04/2007CA2485788C Downhole tools with a stirling cooler system
11/2007
11/30/2007CA2592491A1 Microwave process for intrinsic permeability enhancement and hydrocarbon extraction from subsurface deposits
11/28/2007CN101078337A Insulating short section
11/27/2007US7299868 Method and system for recovery of hydrocarbons from a hydrocarbon-bearing information
11/22/2007WO2007133477A1 Thermal insulation compositions containing organic solvent and gelling agent and methods of using the same
11/22/2007WO2007095059A3 In situ processing of high-temperature electrical insulation
11/21/2007EP1856373A1 Thermal management apparatus, systems, and methods
11/21/2007CN200978654Y Inner and outer heating equipment
11/21/2007CN200978653Y Gas type water-jacket crude oil heating stove
11/15/2007WO2005017302A3 Changing the temperature of offshore produced water
11/14/2007EP1620628A4 Arctic platform
11/13/2007US7293606 Heat exchanging apparatus
11/07/2007CN200971770Y Magnetic thermal wax-proof device for oil production
11/06/2007US7290609 Subterranean well secondary plugging tool for repair of a first plug
11/06/2007CA2264354C Electrical heater
11/01/2007CA2649503A1 Time sequenced heating of multiple layers in a hydrocarbon containing formation
11/01/2007CA2649394A1 Adjusting alloy compositions for selected properties in temperature limited heaters
11/01/2007CA2649379A1 High strength alloys
10/2007
10/31/2007CN101066010A Cooling apparatus,systems,and methods
10/25/2007WO2007121350A1 Packer sealing element with shape memory material
10/24/2007CN200964829Y Heating device for oil well
10/23/2007US7285762 Sealing method and apparatus for oil and gas wells
10/23/2007US7284931 Magma evacuation systems for the prevention of explosions from supervolcanoes
10/18/2007WO2007117810A2 Enhanced hydrocarbon recovery by steam injection of oil sand formations
10/18/2007WO2007117316A2 Improved down hole oil and gas well heating system and method for down hole heating of oil and gas wells
10/17/2007CN101054894A Heater dedicated for normal pressure oil field
10/11/2007US20070235193 Method of cooling a downhole tool and a downhole tool
10/10/2007CN200958384Y Oil-wellhead thermal-insulating box
10/04/2007WO2007112199A2 Enhanced hydrocarbon recovery by vaporizing solvents in oil sand formations
10/04/2007WO2007053582A3 Improved vacuum insulated dewar flask
10/04/2007CA2647973A1 Enhanced hydrocarbon recovery by vaporizing solvents in oil sand formations
10/03/2007CN101048571A Subterranean electro-thermal heating system and method
09/2007
09/25/2007CA2296978C Destruction process for rigid thermal insulation installed in a confined space
09/20/2007US20070215613 Extracting And Processing Hydrocarbon-Bearing Formations
09/19/2007EP1283939B1 Method for plugging a well with a resin
09/19/2007CN200949449Y Deep-well heater of oil field
09/18/2007US7270179 Method for stimulation of liquid flow in a well
09/18/2007CA2526179C Steam cover for de-icing and thawing surfaces and equipment
09/18/2007CA2403980C Method and apparatus for flow measurement
09/18/2007CA2363909C Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking
09/13/2007US20070209799 In situ recovery from a hydrocarbon containing formation
09/13/2007US20070209798 Subterranean barriers, methods, and apparatuses for forming, inspsecting, selectively heating, and repairing same
09/11/2007CA2335737C Recovery of heavy hydrocarbons by in-situ hydrovisbreaking
09/06/2007US20070204994 IN-SITU EXTRACTION OF HYDROCARBONS FROM OlL SANDS
09/06/2007DE112005002780T5 Kühlgeräte, -systeme und -verfahren Cooling devices, systems and methods,
09/05/2007EP1830034A2 Rotating control head radial seal protection and leak detection systems
09/05/2007EP1588020B1 Apparatus for the cooling of drilling liquids
08/2007
08/30/2007WO2007098100A2 Method for producing viscous hydrocarbon using steam and carbon dioxide
08/30/2007US20070199712 Enhanced hydrocarbon recovery by steam injection of oil sand formations
08/30/2007US20070199711 Enhanced hydrocarbon recovery by vaporizing solvents in oil sand formations
08/30/2007US20070199709 In situ processing of high-temperature electrical insulation
08/30/2007US20070199707 Enhanced Hydrocarbon Recovery By Convective Heating of Oil Sand Formations
08/30/2007US20070199706 Enhanced hydrocarbon recovery by convective heating of oil sand formations
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