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Class Information
Number: 507/259
Name: Earth boring, well treating, and oil field chemistry > Well treating > Contains organic component > Organic component contains sulfur attached directly or indirectly to carbon by nonionic bonding > Organic component contains a sulfur attached directly to carbon by nonionic bonding > The sulfur is part of a sulfonate group
Description: Compositions wherein the sulfur is part of a sulfonate group.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622427 |
Ethoxylated raw cotton linters for completion and workover fluids |
Nov. 24, 2009 |
| 7622429 |
Non-emulsifying anti-sludge composition for use in the acid treatment of hydrocarbon wells |
Nov. 24, 2009 |
| 7618926 |
Method of foaming saturated or near saturated brines with synergistic mixtures |
Nov. 17, 2009 |
| 7595283 |
Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation |
Sep. 29, 2009 |
| 7589048 |
Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation |
Sep. 15, 2009 |
| 7576043 |
Viscoelastic wellbore fluid comprising an anionic surfactant |
Aug. 18, 2009 |
| 7563750 |
Methods and compositions for the diversion of aqueous injection fluids in injection operations |
Jul. 21, 2009 |
| 7507693 |
Viscoelastic surfactant fluid systems comprising an aromatic sulfonate and methods of using same |
Mar. 24, 2009 |
| 7507695 |
Non-emulsifying anti-sludge composition for use in the acid treatment of hydrocarbon wells |
Mar. 24, 2009 |
| 7468343 |
Alkylxylene sulfonates for enhanced oil recovery processes |
Dec. 23, 2008 |
| 7449431 |
Additive for increasing the density of a fluid for casing annulus pressure control |
Nov. 11, 2008 |
| 7378378 |
Rheology enhancers |
May. 27, 2008 |
| 7332460 |
Alkylxylene sulfonates for enhanced oil recovery processes |
Feb. 19, 2008 |
| 7326670 |
Well service fluid and method of making and using the same |
Feb. 5, 2008 |
| 7303019 |
Viscoelastic surfactant fluids and associated diverting methods |
Dec. 4, 2007 |
| 7299874 |
Viscoelastic surfactant fluids and associated methods |
Nov. 27, 2007 |
| 7296627 |
Method for simultaneous removal of asphaltene, and/or paraffin and scale from producing oil wells |
Nov. 20, 2007 |
| 7290614 |
Methods for effecting controlled break in pH dependent foamed fracturing fluid |
Nov. 6, 2007 |
| 7207388 |
Non-Damaging Fluid-Loss Pill and Method of Using the Same |
Apr. 24, 2007 |
| 7205262 |
Friction reducing composition and method |
Apr. 17, 2007 |
| 7159659 |
Viscoelastic surfactant fluids and associated acidizing methods |
Jan. 9, 2007 |
| 7160843 |
Oil-based demulsifying agent and its use in the treatment of drains bored in oil-based mud |
Jan. 9, 2007 |
| 7125826 |
Methods of using invertible oil external-water internal fluids in subterranean applications |
Oct. 24, 2006 |
| 7098172 |
Prevention and treatment of lost circulation with crosslinked polymer material |
Aug. 29, 2006 |
| 7077219 |
Foamed treatment fluids and associated methods |
Jul. 18, 2006 |
| 7028776 |
Methods for the inhibition of salt blockages in oil and gas wells |
Apr. 18, 2006 |
| 6989355 |
Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes |
Jan. 24, 2006 |
| 6984610 |
Acid based micro-emulsions of surfactants and solvents |
Jan. 10, 2006 |
| 6881708 |
Compositions for solving lost circulation problems |
Apr. 19, 2005 |
| 6852676 |
Well completion foamed spacer fluids and methods |
Feb. 8, 2005 |
| 6828281 |
Surfactant blends for aqueous solutions useful for improving oil recovery |
Dec. 7, 2004 |
| 6800593 |
Hydrophilic polymer concentrates |
Oct. 5, 2004 |
| 6800594 |
Corrosion inhibitor barrier for ferrous and non-ferrous metals |
Oct. 5, 2004 |
| 6770603 |
Electrically conductive non-aqueous wellbore fluids |
Aug. 3, 2004 |
| 6762154 |
Viscoelastic surfactant fluids stable at high brine concentrations |
Jul. 13, 2004 |
| 6667280 |
Fluid system having controllable reversible viscosity |
Dec. 23, 2003 |
| 6608006 |
Methods of drilling well bores using invertible oil external-water internal drilling fluids |
Aug. 19, 2003 |
| 6593279 |
Acid based micro-emulsions |
Jul. 15, 2003 |
| 6586372 |
Additive for increasing the density of a fluid and fluid comprising such additive |
Jul. 1, 2003 |
| 6583091 |
Method for inhibiting corrosion using 4-sulfophthalic acid |
Jun. 24, 2003 |
| 6468945 |
Fluids for fracturing subterranean formations |
Oct. 22, 2002 |
| 6410489 |
Foam-fluid for fracturing subterranean formations |
Jun. 25, 2002 |
| 6399546 |
Fluid system having controllable reversible viscosity |
Jun. 4, 2002 |
| 6302209 |
Surfactant compositions and uses therefor |
Oct. 16, 2001 |
| 6291406 |
Method for treating subterranean formations |
Sep. 18, 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 |
| 6117364 |
Acid corrosion inhibitor |
Sep. 12, 2000 |
| 6051535 |
Asphaltene adsorption inhibition treatment |
Apr. 18, 2000 |
| 6043391 |
Anionic surfactants based on alkene sulfonic acid |
Mar. 28, 2000 |
| 6022834 |
Alkaline surfactant polymer flooding composition and process |
Feb. 8, 2000 |
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