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Class Information
Number: 166/60
Name: Wells > With heating, refrigerating or heat insulating means > Electrical heater in well
Description: Devices comprising electrical heating means situated below ground level.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4665989 |
Well production start up method |
May. 19, 1987 |
| 4665305 |
Corrosion resistant metal pipe with electrode for oil wells |
May. 12, 1987 |
| 4662438 |
Method and apparatus for enhancing liquid hydrocarbon production from a single borehole in a slowly producing formation by non-uniform heating through optimized electrode arrays surrounding th |
May. 5, 1987 |
| 4660636 |
Protective device for RF applicator in in-situ oil shale retorting |
Apr. 28, 1987 |
| 4640353 |
Electrode well and method of completion |
Feb. 3, 1987 |
| 4640352 |
In-situ steam drive oil recovery process |
Feb. 3, 1987 |
| 4638863 |
Well production method using microwave heating |
Jan. 27, 1987 |
| 4638862 |
Means and method for producing hydrocarbons from an earth formation during the RF retorting of a hydrocarbon stratum |
Jan. 27, 1987 |
| 4620593 |
Oil recovery system and method |
Nov. 4, 1986 |
| 4616705 |
Mini-well temperature profiling process |
Oct. 14, 1986 |
| 4612988 |
Dual aquafer electrical heating of subsurface hydrocarbons |
Sep. 23, 1986 |
| 4610793 |
Oil extraction method |
Sep. 9, 1986 |
| 4592423 |
Hydrocarbon stratum retorting means and method |
Jun. 3, 1986 |
| 4583589 |
Subsurface radiating dipole |
Apr. 22, 1986 |
| 4576231 |
Method and apparatus for combating encroachment by in situ treated formations |
Mar. 18, 1986 |
| 4572299 |
Heater cable installation |
Feb. 25, 1986 |
| 4570715 |
Formation-tailored method and apparatus for uniformly heating long subterranean intervals at high temperature |
Feb. 18, 1986 |
| 4558737 |
Downhole thermoacoustic device |
Dec. 17, 1985 |
| 4545435 |
Conduction heating of hydrocarbonaceous formations |
Oct. 8, 1985 |
| 4538682 |
Method and apparatus for removing oil well paraffin |
Sep. 3, 1985 |
| 4524826 |
Method of heating an oil shale formation |
Jun. 25, 1985 |
| 4524827 |
Single well stimulation for the recovery of liquid hydrocarbons from subsurface formations |
Jun. 25, 1985 |
| 4522262 |
Single well electrical oil stimulation |
Jun. 11, 1985 |
| 4509599 |
Gas well liquid removal system and process |
Apr. 9, 1985 |
| 4498535 |
Apparatus and method for in situ controlled heat processing of hydrocarbonaceous formations with a controlled parameter line |
Feb. 12, 1985 |
| 4487257 |
Apparatus and method for production of organic products from kerogen |
Dec. 11, 1984 |
| 4476926 |
Method and apparatus for mitigation of radio frequency electric field peaking in controlled heat processing of hydrocarbonaceous formations in situ |
Oct. 16, 1984 |
| 4470459 |
Apparatus and method for controlled temperature heating of volumes of hydrocarbonaceous materials in earth formations |
Sep. 11, 1984 |
| 4466484 |
Electrical device for promoting oil recovery |
Aug. 21, 1984 |
| 4463805 |
Method for tertiary recovery of oil |
Aug. 7, 1984 |
| 4457365 |
In situ radio frequency selective heating system |
Jul. 3, 1984 |
| 4449585 |
Apparatus and method for in situ controlled heat processing of hydrocarbonaceous formations |
May. 22, 1984 |
| 4437518 |
Apparatus and method for improving the productivity of an oil well |
Mar. 20, 1984 |
| 4433724 |
Electrode device for electrically heating underground deposits of hydrocarbons |
Feb. 28, 1984 |
| 4415034 |
Electrode well completion |
Nov. 15, 1983 |
| 4412585 |
Electrothermal process for recovering hydrocarbons |
Nov. 1, 1983 |
| 4412124 |
Electrode unit for electrically heating underground hydrocarbon deposits |
Oct. 25, 1983 |
| 4401162 |
In situ oil shale process |
Aug. 30, 1983 |
| 4396062 |
Apparatus and method for time-domain tracking of high-speed chemical reactions |
Aug. 2, 1983 |
| 4378846 |
Enhanced oil recovery apparatus and method |
Apr. 5, 1983 |
| 4373581 |
Apparatus and method for radio frequency heating of hydrocarbonaceous earth formations including an impedance matching technique |
Feb. 15, 1983 |
| 4359627 |
Preheater mounted within a well |
Nov. 16, 1982 |
| 4343356 |
Method and apparatus for treating subsurface boreholes |
Aug. 10, 1982 |
| 4320801 |
In situ processing of organic ore bodies |
Mar. 23, 1982 |
| 4319632 |
Oil recovery well paraffin elimination means |
Mar. 16, 1982 |
| 4303128 |
Injection well with high-pressure, high-temperature in situ down-hole steam formation |
Dec. 1, 1981 |
| 4301865 |
In situ radio frequency selective heating process and system |
Nov. 24, 1981 |
| RE30738 |
Apparatus and method for in situ heat processing of hydrocarbonaceous formations |
Sep. 8, 1981 |
| 4285401 |
Electric and hydraulic powered thermal stimulation and recovery system and method for subterranean wells |
Aug. 25, 1981 |
| 4279299 |
Apparatus for installing condition-sensing means in subterranean earth formations |
Jul. 21, 1981 |
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