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Class Information
Number: 166/267
Name: Wells > Processes > Separating material entering well > Separating outside of well
Description: A process comprising separating the material coming out of the well into two or more portions by steps taking place outside of the well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4447330 |
Method of treating waste water |
May. 8, 1984 |
| 4446921 |
Method for underground gasification of solid fuels |
May. 8, 1984 |
| 4444258 |
In situ recovery of oil from oil shale |
Apr. 24, 1984 |
| 4444654 |
Method for the resolution of enhanced oil recovery emulsions |
Apr. 24, 1984 |
| 4444260 |
Oil solvation process for the treatment of oil contaminated sand |
Apr. 24, 1984 |
| 4437519 |
Reduction of shale oil pour point |
Mar. 20, 1984 |
| 4434850 |
Method for demulsification of bitumen emulsions using polyalkylene polyamine salts |
Mar. 6, 1984 |
| 4428425 |
Single pass filtration of oil or gas well completion fluids |
Jan. 31, 1984 |
| 4421170 |
Method and apparatus for quick replacement of cartridge filters used in well fluid cleaning operations |
Dec. 20, 1983 |
| 4420413 |
Oxyalkylated addition products from ethylene oxide-propylene oxide block polymers and bis-glycidyl ethers and their use |
Dec. 13, 1983 |
| 4418752 |
Thermal oil recovery with solvent recirculation |
Dec. 6, 1983 |
| 4419265 |
Addition products from ethylene oxide-propylene oxide block polymers and bis-glycidyl ethers, a process for their preparation and their use |
Dec. 6, 1983 |
| 4416333 |
Corrosion inhibiting process for a remotely located deep corrosive gas well |
Nov. 22, 1983 |
| 4411814 |
Use of polyamines as demulsifiers |
Oct. 25, 1983 |
| 4408665 |
In situ recovery of oil and gas from water-flooded oil shale formations |
Oct. 11, 1983 |
| 4407367 |
Method for in situ recovery of heavy crude oils and tars by hydrocarbon vapor injection |
Oct. 4, 1983 |
| 4405015 |
Demulsification of bitumen emulsions |
Sep. 20, 1983 |
| 4402363 |
Demulsification of bitumen emulsions using salts of poly(tertiary amino)polyurethanes |
Sep. 6, 1983 |
| 4402552 |
Open surface flotation method for extracted crude oil |
Sep. 6, 1983 |
| 4398603 |
Steam generation from low quality feedwater |
Aug. 16, 1983 |
| 4390068 |
Carbon dioxide stimulated oil recovery process |
Jun. 28, 1983 |
| 4387016 |
Method for extraction of bituminous material |
Jun. 7, 1983 |
| 4384961 |
Process for filtration of aqueous oil-containing brines |
May. 24, 1983 |
| 4381035 |
Simultaneous recovery of thermal values and organic materials from solid carbonaceous fuels and waste disposal process |
Apr. 26, 1983 |
| 4376462 |
Substantially self-powered method and apparatus for recovering hydrocarbons from hydrocarbon-containing solid hydrates |
Mar. 15, 1983 |
| 4372383 |
In situ separation of bitumen from bitumen-bearing deposits |
Feb. 8, 1983 |
| 4366063 |
Process and apparatus for recovering usable water and other materials from oil field mud/waste pits |
Dec. 28, 1982 |
| 4362213 |
Method of in situ oil extraction using hot solvent vapor injection |
Dec. 7, 1982 |
| 4354553 |
Corrosion control downhole in a borehole |
Oct. 19, 1982 |
| 4353418 |
In situ retorting of oil shale |
Oct. 12, 1982 |
| 4343362 |
Recovery of oil from an oil reservoir by miscible displacement |
Aug. 10, 1982 |
| 4333529 |
Oil recovery process |
Jun. 8, 1982 |
| 4330038 |
Oil reclamation process |
May. 18, 1982 |
| 4323122 |
Process for recovering organic liquids from underground areas |
Apr. 6, 1982 |
| 4320802 |
Use of land-fill gas to stimulate crude oil production and to recover methane-rich gas |
Mar. 23, 1982 |
| 4319635 |
Method for enhanced oil recovery by geopressured waterflood |
Mar. 16, 1982 |
| 4310049 |
Crude oil desulfurization |
Jan. 12, 1982 |
| 4303127 |
Multistage clean-up of product gas from underground coal gasification |
Dec. 1, 1981 |
| 4302326 |
Tar sands emulsion-breaking process |
Nov. 24, 1981 |
| 4295525 |
Method and apparatus for quick replacement of cartridge filters used in well fluid cleaning operations |
Oct. 20, 1981 |
| 4284139 |
Process for stimulating and upgrading the oil production from a heavy oil reservoir |
Aug. 18, 1981 |
| 4279307 |
Natural gas production from geopressured aquifers |
Jul. 21, 1981 |
| 4273189 |
Method and apparatus for recovering natural gas from geopressured salt water |
Jun. 16, 1981 |
| 4273188 |
In situ combustion process for the recovery of liquid carbonaceous fuels from subterranean formations |
Jun. 16, 1981 |
| 4272360 |
Process for breaking emulsions in fluids from in situ tar sands production |
Jun. 9, 1981 |
| 4271676 |
Method and apparatus for recovering natural gas in a mine |
Jun. 9, 1981 |
| 4269697 |
Low pour point heavy oils |
May. 26, 1981 |
| 4261812 |
Emulsion breaking process |
Apr. 14, 1981 |
| 4249605 |
Secondary recovery method and system using solar energy and concentric tank separator |
Feb. 10, 1981 |
| 4248306 |
Geothermal petroleum refining |
Feb. 3, 1981 |
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