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Class Information
Number: 166/302
Name: Wells > Processes > Heating, cooling or insulating
Description: A process in which there is a heating, cooling, or insulating step or a heated or cooled material is used.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4252194 |
Method of using polymerized lignosulfonates for mobility control |
Feb. 24, 1981 |
| 4250965 |
Well treating method |
Feb. 17, 1981 |
| 4249607 |
Miscible displacement oil recovery method |
Feb. 10, 1981 |
| 4248298 |
Well logging evaporative thermal protection system |
Feb. 3, 1981 |
| 4240505 |
Well acidizing compositions and methods |
Dec. 23, 1980 |
| 4237973 |
Method and apparatus for steam generation at the bottom of a well bore |
Dec. 9, 1980 |
| 4217146 |
Plugging fluid |
Aug. 12, 1980 |
| 4215551 |
Environmentally assisted heating and cooling system |
Aug. 5, 1980 |
| 4205724 |
Well treating compositions |
Jun. 3, 1980 |
| 4203472 |
Device for stopping fluid flow from a pipe |
May. 20, 1980 |
| 4193454 |
Super-active clay catalyst and use thereof |
Mar. 18, 1980 |
| 4185691 |
Secondary oil recovery method and system |
Jan. 29, 1980 |
| 4159743 |
Process and system for recovering hydrocarbons from underground formations |
Jul. 3, 1979 |
| 4154297 |
Lift gas heat exchanger |
May. 15, 1979 |
| 4146095 |
Method and apparatus for nuclear heating of oil-bearing formations |
Mar. 27, 1979 |
| 4137968 |
Ignition system for an automatic burner for in situ combustion for enhanced thermal recovery of hydrocarbons from a well |
Feb. 6, 1979 |
| 4125159 |
Method and apparatus for isolating and treating subsurface stratas |
Nov. 14, 1978 |
| 4125289 |
Method for in situ minefields |
Nov. 14, 1978 |
| 4103743 |
Method and means of treating water wells |
Aug. 1, 1978 |
| 4099570 |
Oil production processes and apparatus |
Jul. 11, 1978 |
| 4084638 |
Method of production stimulation and enhanced recovery of oil |
Apr. 18, 1978 |
| 4078613 |
Downhole recovery system |
Mar. 14, 1978 |
| 4068714 |
Method for acidizing subterranean formations |
Jan. 17, 1978 |
| 4068719 |
Method for acidizing subterranean formations |
Jan. 17, 1978 |
| 4068720 |
Method for acidizing subterranean formations |
Jan. 17, 1978 |
| 4067390 |
Apparatus and method for the recovery of fuel products from subterranean deposits of carbonaceous matter using a plasma arc |
Jan. 10, 1978 |
| 4052857 |
Geothermal energy from salt formations |
Oct. 11, 1977 |
| 4053015 |
Ignition process for downhole gas generator |
Oct. 11, 1977 |
| 4050513 |
Method of treating a high temperature formation to permit the use therein of temperature sensitive hydrophilic, viscosity increasing polymers |
Sep. 27, 1977 |
| 4037660 |
Method for steam cleaning liners in oil well bores |
Jul. 26, 1977 |
| 4030549 |
Recovery of geothermal energy |
Jun. 21, 1977 |
| 4024916 |
Borehole sealing method and apparatus |
May. 24, 1977 |
| 4022025 |
Cyclical energy transfer method and apparatus |
May. 10, 1977 |
| 4019575 |
System for recovering viscous petroleum from thick tar sand |
Apr. 26, 1977 |
| 4018282 |
Method and apparatus for gravel packing wells |
Apr. 19, 1977 |
| 4007788 |
Recovery of bitumen from tar sands |
Feb. 15, 1977 |
| 4003432 |
Method of recovery of bitumen from tar sand formations |
Jan. 18, 1977 |
| 3995695 |
Method for completing a well in a permafrost zone |
Dec. 7, 1976 |
| 3989108 |
Water exclusion method for hydrocarbon production wells using freezing technique |
Nov. 2, 1976 |
| 3989107 |
Induction heating of underground hydrocarbon deposits |
Nov. 2, 1976 |
| 3986557 |
Production of bitumen from tar sands |
Oct. 19, 1976 |
| 3982592 |
In situ hydrogenation of hydrocarbons in underground formations |
Sep. 28, 1976 |
| 3982591 |
Downhole recovery system |
Sep. 28, 1976 |
| 3973627 |
Wellbore gravel pack method |
Aug. 10, 1976 |
| 3973626 |
Well completion in permafrost |
Aug. 10, 1976 |
| 3967675 |
Method and device for exploiting the geothermal energy in a submarine volcano |
Jul. 6, 1976 |
| 3957108 |
Multiple-completion geothermal energy production systems |
May. 18, 1976 |
| 3954140 |
Recovery of hydrocarbons by in situ thermal extraction |
May. 4, 1976 |
| 3938592 |
Rock-exploitation method based on thermodynamic cycles utilizing in-situ energy source |
Feb. 17, 1976 |
| 3931851 |
Liquid aquifer energy storage method |
Jan. 13, 1976 |
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