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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 |
| 4246966 |
Production and wet oxidation of heavy crude oil for generation of power |
Jan. 27, 1981 |
| 4243528 |
Treater for mechanically breaking oil and water emulsions of a production fluid from a petroleum well |
Jan. 6, 1981 |
| 4242103 |
Cyclic two step process for production of methane from carbon monoxide |
Dec. 30, 1980 |
| 4239510 |
Natural gas purification |
Dec. 16, 1980 |
| 4235607 |
Method and apparatus for the selective absorption of gases |
Nov. 25, 1980 |
| 4235289 |
Method for producing carbon dioxide from subterranean formations |
Nov. 25, 1980 |
| 4234232 |
Methods of and apparatus for mining and processing tar sands and the like |
Nov. 18, 1980 |
| 4232738 |
Petroleum recovery process using native petroleum surfactants |
Nov. 11, 1980 |
| 4233154 |
Method for treating petroleum well pumping power fluid |
Nov. 11, 1980 |
| 4226284 |
Gas well dewatering method and system |
Oct. 7, 1980 |
| 4223728 |
Method of oil recovery from underground reservoirs |
Sep. 23, 1980 |
| 4224151 |
Preventing scale deposition from geothermal fluids |
Sep. 23, 1980 |
| 4218309 |
Removal of sulfur from shale oil |
Aug. 19, 1980 |
| 4217211 |
Pressurized treatment of sewage |
Aug. 12, 1980 |
| 4213476 |
Method and system for producing and transporting natural gas |
Jul. 22, 1980 |
| 4212353 |
Hydraulic mining technique for recovering bitumen from tar sand deposit |
Jul. 15, 1980 |
| 4181177 |
Controlling shale oil pour point |
Jan. 1, 1980 |
| 4174751 |
Method of breaking shale oil-water emulsion |
Nov. 20, 1979 |
| 4171017 |
Method of gas production from geopressurized geothermal brines |
Oct. 16, 1979 |
| 4171349 |
Desulfurization process and installation for hydrocarbon reservoir fluids produced by wells |
Oct. 16, 1979 |
| 4169506 |
In situ retorting of oil shale and energy recovery |
Oct. 2, 1979 |
| 4167973 |
Process for chemical decontamination of layers of earth and/or water contaminated with organic materials |
Sep. 18, 1979 |
| 4160479 |
Heavy oil recovery process |
Jul. 10, 1979 |
| 4159036 |
High pressure cleaning and pumping method and apparatus for oil well production |
Jun. 26, 1979 |
| 4158467 |
Process for recovering shale oil |
Jun. 19, 1979 |
| 4149596 |
Method for recovering gas from solution in aquifer waters |
Apr. 17, 1979 |
| 4147638 |
Sulfonation of crude oils to produce petroleum sulfonates |
Apr. 3, 1979 |
| 4140181 |
Two-stage removal of sulfur dioxide from process gas using treated oil shale |
Feb. 20, 1979 |
| 4130403 |
Removal of H.sub.2 S and/or CO.sub.2 from a light hydrocarbon stream by use of gas permeable membrane |
Dec. 19, 1978 |
| 4127989 |
Method for separating metal values from brine |
Dec. 5, 1978 |
| 4121662 |
Water purification with fragmented oil shale |
Oct. 24, 1978 |
| 4120356 |
Well-cleaning process using viscosified surfactant solutions |
Oct. 17, 1978 |
| 4119149 |
Recovering petroleum from subterranean formations |
Oct. 10, 1978 |
| 4117886 |
Oil shale retorting and off-gas purification |
Oct. 3, 1978 |
| 4109718 |
Method of breaking shale oil-water emulsion |
Aug. 29, 1978 |
| 4093026 |
Removal of sulfur dioxide from process gas using treated oil shale and water |
Jun. 6, 1978 |
| 4093025 |
Methods of fluidized production of coal in situ |
Jun. 6, 1978 |
| 4089372 |
Methods of fluidized production of coal in situ |
May. 16, 1978 |
| 4086960 |
Apparatus for hydrocarbon recovery from earth strata |
May. 2, 1978 |
| 4085971 |
Energy conserving mining system and method |
Apr. 25, 1978 |
| 4079590 |
Well stimulation and systems for recovering geothermal heat |
Mar. 21, 1978 |
| 4069868 |
Methods of fluidized production of coal in situ |
Jan. 24, 1978 |
| 4067391 |
In-situ extraction of asphaltic sands by counter-current hydrocarbon vapors |
Jan. 10, 1978 |
| 4060130 |
Cleanout procedure for well with low bottom hole pressure |
Nov. 29, 1977 |
| 4059151 |
Methods of fluidized production of coal in situ |
Nov. 22, 1977 |
| 4050515 |
Insitu hydrogenation of hydrocarbons in underground formations |
Sep. 27, 1977 |
| 4044830 |
Multiple-completion geothermal energy production systems |
Aug. 30, 1977 |
| 4043393 |
Extraction from underground coal deposits |
Aug. 23, 1977 |
| 4033410 |
Monoethanolamine process for sulfur removal from circulating oil used in sour gas wells |
Jul. 5, 1977 |
| 4033412 |
Fluid carrier recovery system and method |
Jul. 5, 1977 |
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