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Class Information
Number: 507/135
Name: Earth boring, well treating, and oil field chemistry > Earth boring > 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 (e.g., sulfonate, etc.)
Description: Composition wherein the organic component contains a sulfur which is attached to a carbon directly by nonionic bonding (e.g., sulfonates, thiols, mercaptans, thioethers, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576039 |
Additive for drilling fluids |
Aug. 18, 2009 |
| 7470419 |
Granules of powdery mineral and method for production of granules |
Dec. 30, 2008 |
| 7449431 |
Additive for increasing the density of a fluid for casing annulus pressure control |
Nov. 11, 2008 |
| 7378378 |
Rheology enhancers |
May. 27, 2008 |
| 7293941 |
Methods for cementing using compositions containing salts |
Nov. 13, 2007 |
| 7148183 |
Surfactant-polymer composition for substantially solid-free water based drilling, drill-in, and completion fluids |
Dec. 12, 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 |
| 7067460 |
Organofunctional compounds for shale stabilization of the aqueous dispersed phase of non-aqueous based invert emulsion drilling system fluids |
Jun. 27, 2006 |
| 6994173 |
Method of drilling a borehole |
Feb. 7, 2006 |
| 6921742 |
Well drilling fluids |
Jul. 26, 2005 |
| 6881708 |
Compositions for solving lost circulation problems |
Apr. 19, 2005 |
| 6802673 |
Tunnel boring with foamed composition |
Oct. 12, 2004 |
| 6800593 |
Hydrophilic polymer concentrates |
Oct. 5, 2004 |
| 6793025 |
Double emulsion based drilling fluids |
Sep. 21, 2004 |
| 6762154 |
Viscoelastic surfactant fluids stable at high brine concentrations |
Jul. 13, 2004 |
| 6608006 |
Methods of drilling well bores using invertible oil external-water internal drilling fluids |
Aug. 19, 2003 |
| 6586372 |
Additive for increasing the density of a fluid and fluid comprising such additive |
Jul. 1, 2003 |
| 6478868 |
Early-enhanced strength cement compositions and methods |
Nov. 12, 2002 |
| 6436877 |
Hydrate inhibition |
Aug. 20, 2002 |
| 6399546 |
Fluid system having controllable reversible viscosity |
Jun. 4, 2002 |
| 6309455 |
Stable suspension of hydrocolloids and superplasticizer |
Oct. 30, 2001 |
| 6251179 |
Thermally conductive cementitious grout for geothermal heat pump systems |
Jun. 26, 2001 |
| 6211119 |
Multiphase lubricant concentrates for use in water based systems in the field of exploratory soil drilling |
Apr. 3, 2001 |
| 6172010 |
Water-based foaming composition-method for making same |
Jan. 9, 2001 |
| 6166095 |
Method of preparing a drilling fluid comprising structured surfactants |
Dec. 26, 2000 |
| 5972849 |
Process for controlling iron |
Oct. 26, 1999 |
| 5968879 |
Polymeric well completion and remedial compositions and methods |
Oct. 19, 1999 |
| 5945385 |
Method and composition for reducing torque in downhole drilling |
Aug. 31, 1999 |
| 5906966 |
Drilling mud additives and in adding viscosification additives to oil-based drilling muds |
May. 25, 1999 |
| 5883054 |
Thermally stable drilling fluid |
Mar. 16, 1999 |
| 5869433 |
Non-fluorescing oil-based drilling fluid |
Feb. 9, 1999 |
| 5851960 |
Method of performing well drilling operations with a foamable drilling fluid |
Dec. 22, 1998 |
| 5851961 |
Anti-settling lubricity agent for water/oil dispersion compositions |
Dec. 22, 1998 |
| 5807810 |
Functional fluids and liquid cleaning compositions and suspending media |
Sep. 15, 1998 |
| 5783525 |
Oil in water emulsion well servicing fluids |
Jul. 21, 1998 |
| 5716910 |
Foamable drilling fluid and methods of use in well drilling operations |
Feb. 10, 1998 |
| 5715896 |
Method and composition for reducing torque in downhole drilling |
Feb. 10, 1998 |
| 5710109 |
Method for acidizing formation having high permeability water zones |
Jan. 20, 1998 |
| 5697458 |
Drilling fluid process |
Dec. 16, 1997 |
| 5658860 |
Environmentally safe lubricated well fluid method of making a well fluid and method of drilling |
Aug. 19, 1997 |
| 5652200 |
Water based drilling fluid additive and methods of using fluids containing additives |
Jul. 29, 1997 |
| 5639715 |
Aqueous based drilling fluid additive and composition |
Jun. 17, 1997 |
| 5593953 |
Friction modifier for oil-based (invert) well drilling fluids and methods of using the same |
Jan. 14, 1997 |
| 5593954 |
Friction modifier for water-based well drilling fluids and methods of using the same |
Jan. 14, 1997 |
| 5585333 |
Hydrocarbon base cementitious drilling fluids and methods |
Dec. 17, 1996 |
| 5543387 |
Surfactant additive for oilfield acidizing |
Aug. 6, 1996 |
| 5535834 |
Method for reducing torque in downhole drilling |
Jul. 16, 1996 |
| 5513712 |
Polymer enhanced foam drilling fluid |
May. 7, 1996 |
| 5508258 |
Use of surface-active alpha-sulfo-fatty acid di-salts in water and oil based drilling fluids and other drill-hole treatment agents |
Apr. 16, 1996 |
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