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Class Information
Number: 166/270.1
Name: Wells > Processes > Distinct, separate injection and producing wells > Injecting a composition including a surfactant or cosurfactant
Description: A process in distinct, separate wells in which the fluid is a wetting agent that causes the lowering of interfacial tension between two fluids; e.g., water and oil.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612022 |
Method and composition for enhanced hydrocarbons recovery |
Nov. 3, 2009 |
| 7608571 |
Method for recovering crude oil from a subterranean formation utilizing a polyphosphate ester |
Oct. 27, 2009 |
| 7595282 |
Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures |
Sep. 29, 2009 |
| 7556098 |
Oil recovery method employing amphoteric surfactants |
Jul. 7, 2009 |
| 7482310 |
Method of fracturing subterranean formations utilizing emulsions comprising acrylamide copolymers |
Jan. 27, 2009 |
| 7461694 |
Methods for recovering oil from an oil reservoir |
Dec. 9, 2008 |
| 7373977 |
Process for oil recovery employing surfactant gels |
May. 20, 2008 |
| 7347264 |
Methods and compositions for well completion in steam breakthrough wells |
Mar. 25, 2008 |
| 7345012 |
Foamed viscoelastic surfactants |
Mar. 18, 2008 |
| 7338924 |
Oil-in-water-in-oil emulsion |
Mar. 4, 2008 |
| 7311144 |
Apparatus and method for increasing well production using surfactant injection |
Dec. 25, 2007 |
| 7291651 |
Carbon dioxide foamed fluids |
Nov. 6, 2007 |
| 7287588 |
Gelable liquid and method for selectively inhibiting the gelation of a gelable liquid |
Oct. 30, 2007 |
| 7279447 |
Subterranean well and oil or gas stream treatment with bis(3-alkoxyalkan-2-ol) sulfides, sulfones, and sulfoxides: new surface active agents |
Oct. 9, 2007 |
| 7229950 |
Method and composition for enhanced hydrocarbons recovery |
Jun. 12, 2007 |
| 7220709 |
Process of diverting stimulation fluids |
May. 22, 2007 |
| 7196041 |
Surfactant comprising alkali metal salt of 2-methyl oleic acid or 2-ethyl oleic acid |
Mar. 27, 2007 |
| 7036585 |
Aqueous viscoelastic fluid |
May. 2, 2006 |
| 6989355 |
Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes |
Jan. 24, 2006 |
| 6972274 |
Method of improving the permeability of an underground petroleum-containing formation |
Dec. 6, 2005 |
| 6854518 |
Method and apparatus for enhancing production from an oil and/or gas well |
Feb. 15, 2005 |
| 6736211 |
Method of using alkylsulfonated phenol/aldehyde resins as adsorption reducing agents for chemical flooding |
May. 18, 2004 |
| 6638896 |
Fluids and techniques for hydrocarbon well completion |
Oct. 28, 2003 |
| 6591908 |
Hydrocarbon production process with decreasing steam and/or water/solvent ratio |
Jul. 15, 2003 |
| 6439308 |
Foam drive method |
Aug. 27, 2002 |
| 6364016 |
Methods of reducing the water permeability of subterranean formations |
Apr. 2, 2002 |
| 6326187 |
Method to remediate soil using a surfactant of an alkenylsuccinic anhydride or acid reacted an amine acid or salt of an amine acid |
Dec. 4, 2001 |
| 6325147 |
Enhanced oil recovery process with combined injection of an aqueous phase and of at least partially water-miscible gas |
Dec. 4, 2001 |
| 6283210 |
Proactive conformance for oil or gas wells |
Sep. 4, 2001 |
| 6269881 |
Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins and the alpha-olefin compositions |
Aug. 7, 2001 |
| 6220352 |
Procedure to mobilize asphaltene-based crude with a micelle solvent |
Apr. 24, 2001 |
| 6211120 |
Application of aluminum chlorohydrate in viscosifying brine for carrying proppants in gravel packing |
Apr. 3, 2001 |
| 6204420 |
Synergistic mixtures of phosphoric esters with carboxylic acids or carboxylic acid derivatives as asphaltene dispersants |
Mar. 20, 2001 |
| 6196320 |
Method of cleaning a well bore prior to installing a water based fluid system |
Mar. 6, 2001 |
| 6158924 |
Soil and groundwater decontamination system with vacuum extraction |
Dec. 12, 2000 |
| 6140277 |
Fluids and techniques for hydrocarbon well completion |
Oct. 31, 2000 |
| 6105672 |
Enhanced petroleum fluid recovery process in an underground reservoir |
Aug. 22, 2000 |
| 6024167 |
Transporting waterflood mobility control agents to high permeability zones |
Feb. 15, 2000 |
| 5979555 |
Surfactants for hydraulic fractoring compositions |
Nov. 9, 1999 |
| 5911276 |
Use of unmodified kraft lignin, an amine and a water-soluble sulfonate composition in enhanced oil recovery |
Jun. 15, 1999 |
| 5904208 |
Method of cleaning a well bore prior to cementing |
May. 18, 1999 |
| 5513705 |
Foam mixture for steam and carbon dioxide drive oil recovery method |
May. 7, 1996 |
| 5470749 |
Method for determining steam quality using a foaming surfactant |
Nov. 28, 1995 |
| 5465790 |
Enhanced oil recovery from heterogeneous reservoirs |
Nov. 14, 1995 |
| 5411086 |
Oil recovery by enhanced imbitition in low permeability reservoirs |
May. 2, 1995 |
| 5388646 |
Method for rejuvenation of injection wells |
Feb. 14, 1995 |
| 5358046 |
Oil recovery process utilizing a supercritical carbon dioxide emulsion |
Oct. 25, 1994 |
| 5358045 |
Enhanced oil recovery method employing a high temperature brine tolerant foam-forming composition |
Oct. 25, 1994 |
| 5346008 |
Polymer enhanced foam for treating gas override or gas channeling |
Sep. 13, 1994 |
| 5341878 |
Fatty acid salts as steam foaming agents |
Aug. 30, 1994 |
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