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Class Information
Number: 166/272.1
Name: Wells > Processes > Distinct, separate injection and producing wells > Involving the step of heating
Description: A process in distinct, separate wells incorporating the step of raising the temperature of the fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4662439 |
Method of underground conversion of coal |
May. 5, 1987 |
| 4651825 |
Enhanced well production |
Mar. 24, 1987 |
| 4646836 |
Tertiary recovery method using inverted deviated holes |
Mar. 3, 1987 |
| 4640352 |
In-situ steam drive oil recovery process |
Feb. 3, 1987 |
| 4620592 |
Progressive sequence for viscous oil recovery |
Nov. 4, 1986 |
| 4595057 |
Parallel string method for multiple string, thermal fluid injection |
Jun. 17, 1986 |
| 4579176 |
Method of removing hydrocarbons from an underground formation |
Apr. 1, 1986 |
| 4577688 |
Injection of steam foaming agents into producing wells |
Mar. 25, 1986 |
| 4565245 |
Completion for tar sand substrate |
Jan. 21, 1986 |
| 4558740 |
Injection of steam and solvent for improved oil recovery |
Dec. 17, 1985 |
| 4550779 |
Process for the recovery of hydrocarbons for mineral oil deposits |
Nov. 5, 1985 |
| 4545435 |
Conduction heating of hydrocarbonaceous formations |
Oct. 8, 1985 |
| 4535845 |
Method for producing viscous hydrocarbons from discrete segments of a subterranean layer |
Aug. 20, 1985 |
| 4528104 |
Oil based packer fluids |
Jul. 9, 1985 |
| 4524826 |
Method of heating an oil shale formation |
Jun. 25, 1985 |
| 4450909 |
Combination solvent injection electric current application method for establishing fluid communication through heavy oil formation |
May. 29, 1984 |
| 4423779 |
Oil recovery system and process |
Jan. 3, 1984 |
| 4412585 |
Electrothermal process for recovering hydrocarbons |
Nov. 1, 1983 |
| 4381124 |
Method of mining an oil deposit |
Apr. 26, 1983 |
| 4379592 |
Method of mining an oil-bearing bed with bottom water |
Apr. 12, 1983 |
| 4345652 |
Process for improving the permeability of ground formations, adapted to the production of high temperature geothermic energy |
Aug. 24, 1982 |
| 4344486 |
Method for enhanced oil recovery |
Aug. 17, 1982 |
| 4327805 |
Method for producing viscous hydrocarbons |
May. 4, 1982 |
| 4319632 |
Oil recovery well paraffin elimination means |
Mar. 16, 1982 |
| 4319635 |
Method for enhanced oil recovery by geopressured waterflood |
Mar. 16, 1982 |
| 4305463 |
Oil recovery method and apparatus |
Dec. 15, 1981 |
| 4289203 |
Oil displacement method using shear-thickening compositions |
Sep. 15, 1981 |
| RE30738 |
Apparatus and method for in situ heat processing of hydrocarbonaceous formations |
Sep. 8, 1981 |
| 4274487 |
Indirect thermal stimulation of production wells |
Jun. 23, 1981 |
| 4252194 |
Method of using polymerized lignosulfonates for mobility control |
Feb. 24, 1981 |
| 4250964 |
Process for recovering carbonaceous organic material from a subterranean formation |
Feb. 17, 1981 |
| 4249602 |
Method of doping retort with a halogen source to determine the locus of a processing zone |
Feb. 10, 1981 |
| 4248302 |
Method and apparatus for recovering viscous petroleum from tar sand |
Feb. 3, 1981 |
| 4228854 |
Enhanced oil recovery using electrical means |
Oct. 21, 1980 |
| 4228853 |
Petroleum production method |
Oct. 21, 1980 |
| 4217956 |
Method of in-situ recovery of viscous oils or bitumen utilizing a thermal recovery fluid and carbon dioxide |
Aug. 19, 1980 |
| 4202412 |
Thermally metamorphosing oil shale to inhibit leaching |
May. 13, 1980 |
| 4199025 |
Method and apparatus for tertiary recovery of oil |
Apr. 22, 1980 |
| 4174752 |
Secondary recovery method and system for oil wells using solar energy |
Nov. 20, 1979 |
| 4160479 |
Heavy oil recovery process |
Jul. 10, 1979 |
| 4144935 |
Apparatus and method for in situ heat processing of hydrocarbonaceous formations |
Mar. 20, 1979 |
| 4140180 |
Method for in situ heat processing of hydrocarbonaceous formations |
Feb. 20, 1979 |
| 4133384 |
Steam flooding hydrocarbon recovery process |
Jan. 9, 1979 |
| 4129183 |
Use of organic acid chrome complexes to treat clay containing formations |
Dec. 12, 1978 |
| 4110988 |
Method for forming domes from subterranean diapiric material |
Sep. 5, 1978 |
| 4084637 |
Method of producing viscous materials from subterranean formations |
Apr. 18, 1978 |
| 4067390 |
Apparatus and method for the recovery of fuel products from subterranean deposits of carbonaceous matter using a plasma arc |
Jan. 10, 1978 |
| 4060988 |
Process for heating a fluid in a geothermal formation |
Dec. 6, 1977 |
| 4049053 |
Recovery of hydrocarbons from partially exhausted oil wells by mechanical wave heating |
Sep. 20, 1977 |
| 4037655 |
Method for secondary recovery of oil |
Jul. 26, 1977 |
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