 |
|
 |
| |
 |
|
Class Information
Number: 507/134
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
Description: Composition wherein the organic component contains sulfur directly or indirectly attached to carbon by nonionic bonding (e.g., sulfates, etc.).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622427 |
Ethoxylated raw cotton linters for completion and workover fluids |
Nov. 24, 2009 |
| 7576039 |
Additive for drilling fluids |
Aug. 18, 2009 |
| 7541315 |
Paraffin inhibitor compositions and their use in oil and gas production |
Jun. 2, 2009 |
| 7470419 |
Granules of powdery mineral and method for production of granules |
Dec. 30, 2008 |
| 7384892 |
Water-based drilling fluids |
Jun. 10, 2008 |
| 7148183 |
Surfactant-polymer composition for substantially solid-free water based drilling, drill-in, and completion fluids |
Dec. 12, 2006 |
| 7131492 |
Divinyl sulfone crosslinking agents and methods of use in subterranean applications |
Nov. 7, 2006 |
| 7077219 |
Foamed treatment fluids and associated methods |
Jul. 18, 2006 |
| 6994173 |
Method of drilling a borehole |
Feb. 7, 2006 |
| 6800593 |
Hydrophilic polymer concentrates |
Oct. 5, 2004 |
| 6800592 |
Polymer-enhanced foamable drilling fluid |
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 |
| 6525003 |
Electrical well logging fluid and method of using same |
Feb. 25, 2003 |
| 6194354 |
Drilling fluid concentrates |
Feb. 27, 2001 |
| 6166095 |
Method of preparing a drilling fluid comprising structured surfactants |
Dec. 26, 2000 |
| 5783525 |
Oil in water emulsion well servicing fluids |
Jul. 21, 1998 |
| 5707940 |
Environmentally friendly water based drilling fluids |
Jan. 13, 1998 |
| 5658860 |
Environmentally safe lubricated well fluid method of making a well fluid and method of drilling |
Aug. 19, 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 |
| 5513712 |
Polymer enhanced foam drilling fluid |
May. 7, 1996 |
| H1000 |
Water based synthetic hydrocarbon drilling fluid and spotting fluid |
Dec. 3, 1991 |
| 4891177 |
Water-flood surfactant |
Jan. 2, 1990 |
| 4818288 |
Dispersant for concrete mixtures of high salt content |
Apr. 4, 1989 |
| 4816303 |
Process for inhibiting corrosion of metal and corrosion-inhibiting layer use therein |
Mar. 28, 1989 |
| 4802998 |
Powder-form lubricant additives for water-based drilling fluids |
Feb. 7, 1989 |
| 4743383 |
Drilling fluid additives for use in hard brine environments |
May. 10, 1988 |
| 4645608 |
Method of treating oil contaminated cuttings |
Feb. 24, 1987 |
| 4596662 |
Compositions for use in drilling, completion and workover fluids |
Jun. 24, 1986 |
| 4565647 |
Foaming surfactant compositions |
Jan. 21, 1986 |
| 4524002 |
Foaming agent |
Jun. 18, 1985 |
| 4517112 |
Modified organophilic clay complexes, their preparation and non-aqueous systems containing them |
May. 14, 1985 |
| 4517100 |
Lubricating wellbore fluid and method of drilling |
May. 14, 1985 |
| 4356096 |
Method of enhancing the effect of liquid organic lubricants in drilling fluids |
Oct. 26, 1982 |
| 4257902 |
Water-based industrial fluids |
Mar. 24, 1981 |
| 4181617 |
Aqueous drilling fluid and lubricant composition |
Jan. 1, 1980 |
| 4172800 |
Drilling fluids containing an admixture of polyethoxylated, sulfurized fatty acids and polyalkylene glycols |
Oct. 30, 1979 |
| 4148736 |
Oil recovery process using viscosified surfactant solutions |
Apr. 10, 1979 |
| 4141840 |
Drilling fluids containing polyethoxylated, sulfurized fatty alcohols |
Feb. 27, 1979 |
| 4053422 |
Drilling fluids containing polyethoxylated tetraalkyl acetylenic diols |
Oct. 11, 1977 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
