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Class Information
Number: 166/57
Name: Wells > With heating, refrigerating or heat insulating means
Description: Devices for causing a heating, refrigerating or heat insulating effect.


Sub-classes under this class:

Class Number Class Name Patents
166/59 Burner in well 95
166/60 Electrical heater in well 215
166/58 Fuel supply or hot billet in well 13
166/61 Heater surrounding production tube 32
166/62 With eduction pump or plunger in well 38


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7604054 Enhanced hydrocarbon recovery by convective heating of oil sand formations Oct. 20, 2009
7591306 Enhanced hydrocarbon recovery by steam injection of oil sand formations Sep. 22, 2009
7575053 Low temperature monitoring system for subsurface barriers Aug. 18, 2009
7575052 In situ conversion process utilizing a closed loop heating system Aug. 18, 2009
7571770 Downhole cooling based on thermo-tunneling of electrons Aug. 11, 2009
7568521 Wellbore formation evaluation system and method Aug. 4, 2009
7562710 Method and a device for in situ formation of a seal in an annulus in a well Jul. 21, 2009
7562706 Systems and methods for producing hydrocarbons from tar sands formations Jul. 21, 2009
7546873 Low temperature barriers for use with in situ processes Jun. 16, 2009
7527094 Double barrier system for an in situ conversion process May. 5, 2009
7520325 Enhanced hydrocarbon recovery by in situ combustion of oil sand formations Apr. 21, 2009
7516787 Method of developing a subsurface freeze zone using formation fractures Apr. 14, 2009
7516785 Method of developing subsurface freeze zone Apr. 14, 2009
7500528 Low temperature barrier wellbores formed using water flushing Mar. 10, 2009
7490664 Drilling, perforating and formation analysis Feb. 17, 2009
7467658 Down hole drilling fluid heating apparatus and method Dec. 23, 2008
7455104 Expandable elements Nov. 25, 2008
7440283 Thermal isolation devices and methods for heat sensitive downhole components Oct. 21, 2008
7424916 Flameless hot oiler Sep. 16, 2008
7380605 Energy transfer loop apparatus and method of installation Jun. 3, 2008
7367399 Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore May. 6, 2008
7363971 Method and apparatus for maintaining a multi-chip module at a temperature above downhole temperature Apr. 29, 2008
7360588 Thermal processes for subsurface formations Apr. 22, 2008
7357180 Inhibiting effects of sloughing in wellbores Apr. 15, 2008
7347267 Method and apparatus for cooling flasked instrument assemblies Mar. 25, 2008
7343979 Method and device for the controlled disconnection of a wireline Mar. 18, 2008
7316275 Well treating compositions containing water superabsorbent material and method of using the same Jan. 8, 2008
7306039 Methods of using crosslinkable compositions Dec. 11, 2007
7299868 Method and system for recovery of hydrocarbons from a hydrocarbon-bearing information Nov. 27, 2007
7293606 Heat exchanging apparatus Nov. 13, 2007
7284931 Magma evacuation systems for the prevention of explosions from supervolcanoes Oct. 23, 2007
7225866 In situ thermal processing of an oil shale formation using a pattern of heat sources Jun. 5, 2007
7219500 Compressor fuel gas conditioner May. 22, 2007
7219734 Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation May. 22, 2007
7207389 Hybrid coiled tubing/fluid pumping unit Apr. 24, 2007
7175366 Device, system, and method for remediation of contaminated soil Feb. 13, 2007
7128156 Wellbore rig with heat transfer loop apparatus Oct. 31, 2006
7121342 Thermal processes for subsurface formations Oct. 17, 2006
7117944 Drill pipe having an internally coated electrical pathway Oct. 10, 2006
7096953 In situ thermal processing of a coal formation using a movable heating element Aug. 29, 2006
7044223 Heater cable and method for manufacturing May. 16, 2006
7040400 In situ thermal processing of a relatively impermeable formation using an open wellbore May. 9, 2006
7032658 High power umbilicals for electric flowline immersion heating of produced hydrocarbons Apr. 25, 2006
7017650 Earth loop energy systems Mar. 28, 2006
6994159 System for extracting natural gas hydrate Feb. 7, 2006
6978837 Production of natural gas from hydrates Dec. 27, 2005
6929067 Heat sources with conductive material for in situ thermal processing of an oil shale formation Aug. 16, 2005
6923257 In situ thermal processing of an oil shale formation to produce a condensate Aug. 2, 2005
6902004 In situ thermal processing of a hydrocarbon containing formation using a movable heating element Jun. 7, 2005
6892817 High temperature silicone based subsea insulation May. 17, 2005

1 2 3 4 5


 
 
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