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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 |
| 4701271 |
Treating oil-water-surfactant emulsions with strong inorganic acid |
Oct. 20, 1987 |
| 4697426 |
Choke cooling waxy oil |
Oct. 6, 1987 |
| 4673484 |
Amphiphilic phase behavior separation of carboxylic acids/hydrocarbon mixtures in recovery of oil from tar sands or the like |
Jun. 16, 1987 |
| 4664190 |
Process for recovering natural gas liquids |
May. 12, 1987 |
| 4660639 |
Removal of volatile contaminants from the vadose zone of contaminated ground |
Apr. 28, 1987 |
| 4661127 |
Submersible liquid/gas separator apparatus |
Apr. 28, 1987 |
| 4648452 |
Method of increasing enhanced oil recovery by using a novel low sulfonate phase in the polymer slug |
Mar. 10, 1987 |
| 4637465 |
Removal of phenols in groundwater after underground gasification of coal |
Jan. 20, 1987 |
| 4635722 |
Method of increasing enhanced oil recovery by using a higher sulfonate phase obtained on polymer addition |
Jan. 13, 1987 |
| 4625801 |
Methods and apparatus for recovery of hydrocarbons from underground water tables |
Dec. 2, 1986 |
| 4616700 |
Automatic well test system and method |
Oct. 14, 1986 |
| 4615389 |
Method of producing supercritical carbon dioxide from wells |
Oct. 7, 1986 |
| 4615388 |
Method of producing supercritical carbon dioxide from wells |
Oct. 7, 1986 |
| 4614234 |
Method of recovering coal values by combining underground coal gasification with surface coal liquefaction |
Sep. 30, 1986 |
| 4613338 |
Separating gases from geopressured or hydropressured brine |
Sep. 23, 1986 |
| 4602820 |
Recovering metal values from geothermal brine |
Jul. 29, 1986 |
| 4602920 |
Process for inhibiting hydrates with inorganic electrolytes while producing moist CO.sub.2 from subterranean reservoirs |
Jul. 29, 1986 |
| 4597779 |
Process for inhibiting hydrates while producing moist CO.sub.2 from subterranean reservoirs |
Jul. 1, 1986 |
| 4597950 |
Gas separating-crystallizer |
Jul. 1, 1986 |
| 4597874 |
Treatment of oil well production |
Jul. 1, 1986 |
| 4593760 |
Removal of volatile contaminants from the vadose zone of contaminated ground |
Jun. 10, 1986 |
| 4585063 |
Oil shale retorting and retort water purification process |
Apr. 29, 1986 |
| 4565248 |
Method for producing water soluble resols and use therefor |
Jan. 21, 1986 |
| 4555332 |
Treatment of oil well production |
Nov. 26, 1985 |
| 4548707 |
Use of high ethoxylate low carbon atom amines for simultaneous removal of sulfonate surfactants and water from recovered crude oil |
Oct. 22, 1985 |
| 4547149 |
System for preventing liquids from being driven to the flair stack tip |
Oct. 15, 1985 |
| 4546829 |
Enhanced oil recovery process |
Oct. 15, 1985 |
| 4544032 |
Method and apparatus for production of perfect well treatment fluid solutions |
Oct. 1, 1985 |
| 4536293 |
Method of treating waste water |
Aug. 20, 1985 |
| 4532992 |
Method for recovering petroleum |
Aug. 6, 1985 |
| 4531586 |
Method of solvent stimulation of heavy oil reservoirs |
Jul. 30, 1985 |
| 4529037 |
Method of forming carbon dioxide mixtures miscible with formation crude oils |
Jul. 16, 1985 |
| 4521221 |
Method of producing a methane-rich gas mixture from mine gas |
Jun. 4, 1985 |
| 4519454 |
Combined thermal and solvent stimulation |
May. 28, 1985 |
| 4509599 |
Gas well liquid removal system and process |
Apr. 9, 1985 |
| 4505333 |
Methods of and means for low volume wellhead compression hydrocarbon _gas |
Mar. 19, 1985 |
| 4501445 |
Method of in-situ hydrogenation of carbonaceous material |
Feb. 26, 1985 |
| 4499946 |
Enhanced oil recovery process and apparatus |
Feb. 19, 1985 |
| 4480691 |
Recycled fatty acid crude petroleum recovery process |
Nov. 6, 1984 |
| 4479546 |
Method and apparatus for producing natural gas from tight formations |
Oct. 30, 1984 |
| 4476928 |
Method and apparatus for solvent generation and recovery of hydrocarbons |
Oct. 16, 1984 |
| 4476927 |
Method for controlling H.sub.2 /CO ratio of in-situ coal gasification product gas |
Oct. 16, 1984 |
| 4465138 |
Cyclic thermal solvent recovery method utilizing visbroken produced crude oil |
Aug. 14, 1984 |
| 4462713 |
Method for mining and reclaiming land |
Jul. 31, 1984 |
| 4458757 |
In situ shale-oil recovery process |
Jul. 10, 1984 |
| 4457371 |
Method for demulsification of bitumen emulsions |
Jul. 3, 1984 |
| 4454916 |
In-situ combustion method for recovery of oil and combustible gas |
Jun. 19, 1984 |
| 4452491 |
Recovery of hydrocarbons from deep underground deposits of tar sands |
Jun. 5, 1984 |
| 4450913 |
Superheated solvent method for recovering viscous petroleum |
May. 29, 1984 |
| 4448251 |
In situ conversion of hydrocarbonaceous oil |
May. 15, 1984 |
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