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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 |
| 5829519 |
Subterranean antenna cooling system |
Nov. 3, 1998 |
| 5813799 |
Combustion process and apparatus for removing volatile contaminants from groundwater or subsurface soil |
Sep. 29, 1998 |
| 5803161 |
Heat pipe heat exchanger for cooling or heating high temperature/high-pressure sub-sea well streams |
Sep. 8, 1998 |
| RE35891 |
Process for increasing near-wellbore permeability of porous formations |
Sep. 8, 1998 |
| 5782301 |
Oil well heater cable |
Jul. 21, 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 |
| 5685362 |
Storage capacity in hot dry rock reservoirs |
Nov. 11, 1997 |
| 5677267 |
Thixotropic fluid for well insulation |
Oct. 14, 1997 |
| 5656136 |
Method of transporting and heating a liquid used for treating oil and gas wells or pipeline systems |
Aug. 12, 1997 |
| 5653287 |
Cryogenic well stimulation method |
Aug. 5, 1997 |
| 5649594 |
Method and apparatus for servicing a wellhead assembly |
Jul. 22, 1997 |
| 5607017 |
Dissolvable well plug |
Mar. 4, 1997 |
| 5590715 |
Underground heat exchange system |
Jan. 7, 1997 |
| 5590716 |
Method of inhibiting downhole corrosion of metal surfaces |
Jan. 7, 1997 |
| 5558160 |
Nitrogen/carbon dioxide combination fracture treatment |
Sep. 24, 1996 |
| 5547028 |
Downhole system for extending the life span of electronic components |
Aug. 20, 1996 |
| 5545804 |
Metal fixation in oily waste contaminated soil using microwave radiation acting on in-situ produced coupling agent |
Aug. 13, 1996 |
| 5535825 |
Heat controlled oil production system and method |
Jul. 16, 1996 |
| 5517593 |
Control system for well stimulation apparatus with response time temperature rise used in determining heater control temperature setpoint |
May. 14, 1996 |
| 5515920 |
High proppant concentration/high CO.sub.2 ratio fracturing system |
May. 14, 1996 |
| 5513707 |
Process for chemically treating reservoir pyrobitumen to improve permeability |
May. 7, 1996 |
| 5490562 |
Subsea flow enhancer |
Feb. 13, 1996 |
| 5464061 |
Cryogenic coal bed gas well stimulation method |
Nov. 7, 1995 |
| 5417282 |
Use of lightning for extraction of hydrocarbon fuels |
May. 23, 1995 |
| 5400430 |
Method for injection well stimulation |
Mar. 21, 1995 |
| 5394942 |
Method for stimulation of liquid flow in a well |
Mar. 7, 1995 |
| 5372194 |
Method of and means for operating geothermal wells |
Dec. 13, 1994 |
| 5370477 |
In-situ decontamination with electromagnetic energy in a well array |
Dec. 6, 1994 |
| 5361845 |
Process for increasing near-wellbore permeability of porous formations |
Nov. 8, 1994 |
| 5353869 |
Method and apparatus for producing excessively hot hydrogeothermal fluids |
Oct. 11, 1994 |
| 5351756 |
Process for the treatment and transportation of a natural gas from a gas well |
Oct. 4, 1994 |
| 5346014 |
Heat activated ballistic blocker |
Sep. 13, 1994 |
| 5335728 |
Method and apparatus for disposing of water at gas wells |
Aug. 9, 1994 |
| 5325918 |
Optimal joule heating of the subsurface |
Jul. 5, 1994 |
| 5301751 |
Method for using soap as a soluable fluid loss additive in the hydraulic fracturing treatment of oil and gas wells |
Apr. 12, 1994 |
| 5285846 |
Thermal mineral extraction system |
Feb. 15, 1994 |
| 5282263 |
Method of stumulating oil wells by pumped solvent heated in situ to reduce wax obstructions |
Jan. 25, 1994 |
| 5273116 |
Firing mechanism for actuating wellbore tools |
Dec. 28, 1993 |
| 5265677 |
Refrigerant-cooled downhole tool and method |
Nov. 30, 1993 |
| 5253926 |
Process for making general use of the earth's heat and obtaining minerals in the zone of weakness (at depths of 13-30 km) |
Oct. 19, 1993 |
| 5217075 |
Method and device for carrying out interventions in wells where high temperatures prevail |
Jun. 8, 1993 |
| 5183581 |
Process for the dewaxing of producing formations |
Feb. 2, 1993 |
| 5168929 |
Method and apparatus for removal of oil well paraffin |
Dec. 8, 1992 |
| 5167280 |
Single horizontal well process for solvent/solute stimulation |
Dec. 1, 1992 |
| 5165479 |
Method for stimulating subterranean formations |
Nov. 24, 1992 |
| 5159983 |
Apparatus and method for capping oil or gas wells |
Nov. 3, 1992 |
| 5160581 |
Method for oxygen bleaching paper pulp |
Nov. 3, 1992 |
| 5146987 |
Method and apparatus for controlling the flow of crude oil from the earth |
Sep. 15, 1992 |
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