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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 |
| 5335728 |
Method and apparatus for disposing of water at gas wells |
Aug. 9, 1994 |
| 5332506 |
Water clarification |
Jul. 26, 1994 |
| 5294214 |
Gas eliminator for offshore oil transfer pipelines |
Mar. 15, 1994 |
| 5288411 |
Control of scale deposition in geothermal operations |
Feb. 22, 1994 |
| 5287927 |
Vapor recovery apparatus and method |
Feb. 22, 1994 |
| 5261490 |
Method for dumping and disposing of carbon dioxide gas and apparatus therefor |
Nov. 16, 1993 |
| 5255740 |
Secondary recovery process |
Oct. 26, 1993 |
| 5256301 |
Control of salt precipitation from geothermal brine |
Oct. 26, 1993 |
| 5254292 |
Device for regulating and reducing the fluctuations in a polyphasic flow, and its use |
Oct. 19, 1993 |
| 5236605 |
Method and apparatus for continuous separation of oil from solid and liquid contaminants |
Aug. 17, 1993 |
| 5232475 |
Slug flow eliminator and separator |
Aug. 3, 1993 |
| 5217076 |
Method and apparatus for improved recovery of oil from porous, subsurface deposits (targevcir oricess) |
Jun. 8, 1993 |
| 5197541 |
Apparatus for two phase vacuum extraction of soil contaminants |
Mar. 30, 1993 |
| 5195587 |
Vapor recovery system |
Mar. 23, 1993 |
| 5172764 |
Process and apparatus for groundwater extraction using a high vacuum process |
Dec. 22, 1992 |
| 5171103 |
Arrangement for expelling highly volatile impurities from ground water |
Dec. 15, 1992 |
| 5167280 |
Single horizontal well process for solvent/solute stimulation |
Dec. 1, 1992 |
| 5161619 |
Offshore pollution prevention during well work-over operations |
Nov. 10, 1992 |
| 5149344 |
Multi-phase flow and separator |
Sep. 22, 1992 |
| 5145515 |
Treatment of brine |
Sep. 8, 1992 |
| 5143156 |
Enhanced oil recovery using organic vapors |
Sep. 1, 1992 |
| 5139088 |
Method of inhibiting asphalt precipitation in an oil production well |
Aug. 18, 1992 |
| 5133406 |
Generating oxygen-depleted air useful for increasing methane production |
Jul. 28, 1992 |
| 5133407 |
Fluid injection and production apparatus and method |
Jul. 28, 1992 |
| 5128046 |
Water clarification through chelation |
Jul. 7, 1992 |
| 5123488 |
Method for improved displacement efficiency in horizontal wells during enhanced oil recovery |
Jun. 23, 1992 |
| 5123485 |
Method of flowing viscous hydrocarbons in a single well injection/production system |
Jun. 23, 1992 |
| 5117907 |
Recovering hydrocarbons with a mixture of carbon dioxide and trichloroethane |
Jun. 2, 1992 |
| 5117908 |
Method and equipment for obtaining energy from oil wells |
Jun. 2, 1992 |
| 5116515 |
Process and apparatus for removing volatile organic compounds from contaminated vadose soil areas |
May. 26, 1992 |
| 5111883 |
Vacuum apparatus and process for in-situ removing underground liquids and vapors |
May. 12, 1992 |
| 5109928 |
Method for production of hydrocarbon diluent from heavy crude oil |
May. 5, 1992 |
| 5098224 |
Process and device for the decontamination of contaminated sites |
Mar. 24, 1992 |
| 5097903 |
Method for recovering intractable petroleum from subterranean formations |
Mar. 24, 1992 |
| 5095983 |
Multiphase production evaluation method using thru-tubing, wireline packoff devices |
Mar. 17, 1992 |
| 5082492 |
Recovery of precious metals from aqueous media |
Jan. 21, 1992 |
| 5076360 |
Priming methods for vacuum extraction wells |
Dec. 31, 1991 |
| 5074357 |
Process for in-situ enrichment of gas used in miscible flooding |
Dec. 24, 1991 |
| 5050676 |
Process for two phase vacuum extraction of soil contaminants |
Sep. 24, 1991 |
| 5042582 |
Horizontal heater/treater and/or vapor tight oil battery |
Aug. 27, 1991 |
| 5025860 |
Method and apparatus of obtaining natural gas from a maritime deposit |
Jun. 25, 1991 |
| 5015370 |
Apparatus and method for treating well water |
May. 14, 1991 |
| 5013451 |
Methods for treating hydrocarbon recovery operations and industrial waters |
May. 7, 1991 |
| 5009266 |
Method for in situ contaminant extraction from soil |
Apr. 23, 1991 |
| 5002657 |
Separator for oil well production fluids |
Mar. 26, 1991 |
| 4997313 |
Process for in-situ surfactant washing of contaminated soil |
Mar. 5, 1991 |
| 4995460 |
Method and apparatus for disposing of water at gas wells |
Feb. 26, 1991 |
| 4992174 |
Fixed bed bioreactor remediation system |
Feb. 12, 1991 |
| 4982794 |
Apparatus for oil/gas separation at an underwater well-head |
Jan. 8, 1991 |
| 4982788 |
Apparatus and method for removing volatile contaminants from the ground |
Jan. 8, 1991 |
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