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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6892817 |
High temperature silicone based subsea insulation |
May. 17, 2005 |
| 6880646 |
Laser wellbore completion apparatus and method |
Apr. 19, 2005 |
| 6860320 |
Bottom member and heat loops |
Mar. 1, 2005 |
| 6779606 |
Method and apparatus for heating drilling and/or completion fluids entering or leaving a well bore during oil and gas exploration and production |
Aug. 24, 2004 |
| 6776227 |
Wellhead heating apparatus and method |
Aug. 17, 2004 |
| 6772840 |
Methods and apparatus for a subsea tie back |
Aug. 10, 2004 |
| 6769487 |
Apparatus and method for actively cooling instrumentation in a high temperature environment |
Aug. 3, 2004 |
| 6763882 |
Insulated casing and tubing hangers |
Jul. 20, 2004 |
| 6763887 |
Drill pipe having an internally coated electrical pathway |
Jul. 20, 2004 |
| 6746761 |
High temperature silicone based subsea insulation |
Jun. 8, 2004 |
| 6742593 |
In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation |
Jun. 1, 2004 |
| 6736191 |
Heat exchanger having longitudinal structure and mounting for placement in seawater under piers for heating and cooling of buildings |
May. 18, 2004 |
| 6672371 |
Earth heat exchange system |
Jan. 6, 2004 |
| 6607036 |
Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone |
Aug. 19, 2003 |
| 6588500 |
Enhanced oil well production system |
Jul. 8, 2003 |
| 6585036 |
Energy systems |
Jul. 1, 2003 |
| 6543537 |
Method and apparatus for producing an oil reservoir |
Apr. 8, 2003 |
| 6523610 |
Methods and apparatus for forming metal casings in well bores |
Feb. 25, 2003 |
| 6513593 |
Method and apparatus for reducing paraffin and asphaltene deposits in pumping oil wells |
Feb. 4, 2003 |
| 6474414 |
Plug for tubulars |
Nov. 5, 2002 |
| 6419018 |
Subterranean well completion apparatus with flow assurance system and associated methods |
Jul. 16, 2002 |
| 6415866 |
Thermal operating module with scavenger system |
Jul. 9, 2002 |
| 6415868 |
Method and apparatus for preventing the formation of alkane hydrates in subsea equipment |
Jul. 9, 2002 |
| 6336408 |
Cooling system for downhole tools |
Jan. 8, 2002 |
| 6328110 |
Process for destroying a rigid thermal insulator positioned in a confined space |
Dec. 11, 2001 |
| 6283215 |
Process for thermal insulation of production tubings placed in a well by means of a non-rigid foam and a system for working a fluid producing well |
Sep. 4, 2001 |
| 6276438 |
Energy systems |
Aug. 21, 2001 |
| 6220346 |
Thermal insulation vessel |
Apr. 24, 2001 |
| 6216779 |
Downhole tool actuator |
Apr. 17, 2001 |
| 6205289 |
Steam generation system for injecting steam into oil wells |
Mar. 20, 2001 |
| 6112813 |
Method of providing a conduit and continuous coiled tubing system |
Sep. 5, 2000 |
| 6102122 |
Control of heat injection based on temperature and in-situ stress measurement |
Aug. 15, 2000 |
| 6102120 |
Zone isolation tools |
Aug. 15, 2000 |
| 6073695 |
Device and method for treating a well bore |
Jun. 13, 2000 |
| 6062308 |
Well header for use in frigid environments |
May. 16, 2000 |
| 6056057 |
Heater well method and apparatus |
May. 2, 2000 |
| 6056050 |
Apparatus for enhanced recovery of viscous oil deposits |
May. 2, 2000 |
| 6041862 |
Ground heat exchange system |
Mar. 28, 2000 |
| 6032732 |
Well head heating system |
Mar. 7, 2000 |
| 6015015 |
Insulated and/or concentric coiled tubing |
Jan. 18, 2000 |
| 5988280 |
Use of engine heat in treating a well bore |
Nov. 23, 1999 |
| 5979549 |
Method and apparatus for viscosity reduction of clogging hydrocarbons in oil well |
Nov. 9, 1999 |
| 5954452 |
In situ remediation of underground organic pollution |
Sep. 21, 1999 |
| 5862866 |
Double walled insulated tubing and method of installing same |
Jan. 26, 1999 |
| 5845709 |
Recirculating pump for electrical submersible pump system |
Dec. 8, 1998 |
| 5833001 |
Sealing well casings |
Nov. 10, 1998 |
| 5816325 |
Methods and apparatus for enhanced recovery of viscous deposits by thermal stimulation |
Oct. 6, 1998 |
| 5758724 |
Underground heat exchange system |
Jun. 2, 1998 |
| 5730217 |
Vacuum insulated converter for extending the life span of electronic components |
Mar. 24, 1998 |
| 5720342 |
Integrated converter for extending the life span of electronic components |
Feb. 24, 1998 |
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