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Class Information
Number: 166/266
Name: Wells > Processes > Separating material entering well > Injection and producing wells
Description: A process including using a plurality of wells, at least one of which receives a fluid for insertion into the pores of the earth and another of which conveys a fluid from the pores of the earth to the surface of the earth.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6672387 |
Oil and gas production with downhole separation and reinjection of gas |
Jan. 6, 2004 |
| 6609895 |
Carbon dioxide pump, pumping system, and method of controlling the same |
Aug. 26, 2003 |
| 6588503 |
In Situ thermal processing of a coal formation to control product composition |
Jul. 8, 2003 |
| 6564865 |
Oil and gas production with downhole separation and reinjection of gas |
May. 20, 2003 |
| 6543537 |
Method and apparatus for producing an oil reservoir |
Apr. 8, 2003 |
| 6536523 |
Water treatment process for thermal heavy oil recovery |
Mar. 25, 2003 |
| 6505683 |
Process for purification by combination of an effluent that contains carbon dioxide and hydrocarbons |
Jan. 14, 2003 |
| 6357525 |
Method and apparatus for testing a well |
Mar. 19, 2002 |
| 6325147 |
Enhanced oil recovery process with combined injection of an aqueous phase and of at least partially water-miscible gas |
Dec. 4, 2001 |
| 6318464 |
Vapor extraction of hydrocarbon deposits |
Nov. 20, 2001 |
| 6279658 |
Method of forming and servicing wellbores from a main wellbore |
Aug. 28, 2001 |
| 6209641 |
Method and apparatus for producing fluids while injecting gas through the same wellbore |
Apr. 3, 2001 |
| 6207808 |
Catalytic method for the preparation of lignin phenol surfactants in organic solvents |
Mar. 27, 2001 |
| 6202744 |
Oil separation and pumping system and apparatus |
Mar. 20, 2001 |
| 6196313 |
Method and apparatus for hydrocarbon production and reservoir water disposal |
Mar. 6, 2001 |
| 6189614 |
Oil and gas production with downhole separation and compression of gas |
Feb. 20, 2001 |
| 6123149 |
Dual injection and lifting system using an electrical submersible progressive cavity pump and an electrical submersible pump |
Sep. 26, 2000 |
| 6092600 |
Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible pump and associate a method |
Jul. 25, 2000 |
| 6079491 |
Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible progressive cavity pump |
Jun. 27, 2000 |
| 6048462 |
Waste component removal from crude oil or gas |
Apr. 11, 2000 |
| 6032737 |
Method and system for increasing oil production from an oil well producing a mixture of oil and gas |
Mar. 7, 2000 |
| 5778977 |
Gravity concentrated carbon dioxide for process |
Jul. 14, 1998 |
| 5769165 |
Method for increasing methane recovery from a subterranean coal formation by injection of tail gas from a hydrocarbon synthesis process |
Jun. 23, 1998 |
| 5676207 |
Soil vapor extraction system |
Oct. 14, 1997 |
| 5641245 |
Apparatus for passive removal of subsurface contaminants |
Jun. 24, 1997 |
| 5607016 |
Process and apparatus for the recovery of hydrocarbons from a reservoir of hydrocarbons |
Mar. 4, 1997 |
| 5593248 |
Nontoxic chemical process for in situ permeability enhancement and accelerated decontamination of fine-grain subsurface sediments |
Jan. 14, 1997 |
| 5584605 |
Enhanced in situ hydrocarbon removal from soil and groundwater |
Dec. 17, 1996 |
| 5520249 |
Process for the pretreatment of a natural gas containing hydrogen sulphide |
May. 28, 1996 |
| 5450901 |
Apparatus and process for producing and reinjecting gas |
Sep. 19, 1995 |
| 5439054 |
Method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation |
Aug. 8, 1995 |
| 5439594 |
Method for subsurface vapor extraction |
Aug. 8, 1995 |
| 5407009 |
Process and apparatus for the recovery of hydrocarbons from a hydrocarbon deposit |
Apr. 18, 1995 |
| 5402848 |
Method and apparatus for conducting environmental procedures |
Apr. 4, 1995 |
| 5402847 |
Coal bed methane recovery |
Apr. 4, 1995 |
| 5401425 |
Recovering enhanced oil recovery surfactants by temperature cycling |
Mar. 28, 1995 |
| 5390740 |
Method and apparatus to recycle production well casing vapor |
Feb. 21, 1995 |
| 5388642 |
Coalbed methane recovery using membrane separation of oxygen from air |
Feb. 14, 1995 |
| 5388643 |
Coalbed methane recovery using pressure swing adsorption separation |
Feb. 14, 1995 |
| 5336315 |
Soil stabilization process |
Aug. 9, 1994 |
| 5261490 |
Method for dumping and disposing of carbon dioxide gas and apparatus therefor |
Nov. 16, 1993 |
| 5255740 |
Secondary recovery process |
Oct. 26, 1993 |
| 5133406 |
Generating oxygen-depleted air useful for increasing methane production |
Jul. 28, 1992 |
| 5117907 |
Recovering hydrocarbons with a mixture of carbon dioxide and trichloroethane |
Jun. 2, 1992 |
| 5109928 |
Method for production of hydrocarbon diluent from heavy crude oil |
May. 5, 1992 |
| 5099921 |
Recovery of methane from solid carbonaceous subterranean formations |
Mar. 31, 1992 |
| 5097903 |
Method for recovering intractable petroleum from subterranean formations |
Mar. 24, 1992 |
| 5085275 |
Process for conserving steam quality in deep steam injection wells |
Feb. 4, 1992 |
| 5085274 |
Recovery of methane from solid carbonaceous subterranean of formations |
Feb. 4, 1992 |
| 5019279 |
Process for enriching a gas |
May. 28, 1991 |
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