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Class Information
Number: 507/226
Name: Earth boring, well treating, and oil field chemistry > Well treating > Contains organic component > Organic component is solid synthetic resin > Resin is polymer derived from ethylenic monomers only (e.g., maleic, itaconic, etc.) > Polymer derived from acrylic acid monomer or derivative > Nitrogen is attached directly or indirectly to the acrylic acid monomer or derivative by nonionic bonding (e.g., acrylamide, acrylonitrile, etc.) > Sulfur is attached directly or indirectly to the acrylic acid monomer or derivative by nonionic bonding (e.g., acrylamidoalkane sulfonates, etc.)
Description: Compositions wherein both nitrogen and sulfur are attached to the acrylic moiety through direct or indirect nonionic bonding (e.g., acrylamidoalkylsulfonates, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576040 |
Cement compositions comprising humic acid grafted fluid loss control additives |
Aug. 18, 2009 |
| 7484564 |
Delayed tackifying compositions and associated methods involving controlling particulate migration |
Feb. 3, 2009 |
| 7378377 |
Compositions for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids |
May. 27, 2008 |
| 7341979 |
Well treatment method |
Mar. 11, 2008 |
| 7332459 |
Method for scale inhibition in oil wells |
Feb. 19, 2008 |
| 7306039 |
Methods of using crosslinkable compositions |
Dec. 11, 2007 |
| 7271134 |
Water-based polymers for use as friction reducers in aqueous treatment fluids |
Sep. 18, 2007 |
| 7261157 |
Methods of controlling particulate segregation in slurries |
Aug. 28, 2007 |
| 7237609 |
Methods for producing fluids from acidized and consolidated portions of subterranean formations |
Jul. 3, 2007 |
| 7207387 |
Methods and compositions for use with spacer fluids used in subterranean well bores |
Apr. 24, 2007 |
| 7204311 |
Methods for controlling migration of particulates in a subterranean formation |
Apr. 17, 2007 |
| 7196039 |
Methods of reducing fluid loss in a wellbore servicing fluid |
Mar. 27, 2007 |
| 7178596 |
Methods for improving proppant pack permeability and fracture conductivity in a subterranean well |
Feb. 20, 2007 |
| 7159656 |
Methods of reducing the permeabilities of horizontal well bore sections |
Jan. 9, 2007 |
| 7150319 |
Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method |
Dec. 19, 2006 |
| 7128148 |
Well treatment fluid and methods for blocking permeability of a subterranean zone |
Oct. 31, 2006 |
| 7117943 |
Friction reducers for fluids comprising carbon dioxide and methods of using friction reducers in fluids comprising carbon dioxide |
Oct. 10, 2006 |
| 7114568 |
Hydrophobically modified polymers for a well completion spacer fluid |
Oct. 3, 2006 |
| 7098171 |
Synthetic filtration control polymers for wellbore fluids |
Aug. 29, 2006 |
| 7087556 |
Compositions for treating subterranean zones penetrated by well bores |
Aug. 8, 2006 |
| 7073585 |
Cement compositions with improved fluid loss characteristics and methods of cementing in surface and subterranean applications |
Jul. 11, 2006 |
| 7059408 |
Methods of reducing the impact of a formate-based drilling fluid comprising an alkaline buffering agent on a cement slurry |
Jun. 13, 2006 |
| 7056868 |
Hydrophobe associative polymers and compositions and methods employing them |
Jun. 6, 2006 |
| 7004254 |
Subterranean treatment fluids, friction reducing copolymers, and associated methods |
Feb. 28, 2006 |
| 6995120 |
Scale control composition for high scaling environments |
Feb. 7, 2006 |
| 6986391 |
Methods of fracturing subterranean zones penetrated by well bores and fracturing fluids therefor |
Jan. 17, 2006 |
| 6983799 |
Method of using a swelling agent to prevent a cement slurry from being lost to a subterranean formation |
Jan. 10, 2006 |
| 6978836 |
Methods for controlling water and particulate production |
Dec. 27, 2005 |
| 6787506 |
Use of dispersion polymers as friction reducers in aqueous fracturing fluids |
Sep. 7, 2004 |
| 6770604 |
High temperature viscosifying and fluid loss controlling additives for well cements, well cement compositions and methods |
Aug. 3, 2004 |
| 6767867 |
Methods of treating subterranean zones penetrated by well bores |
Jul. 27, 2004 |
| 6767869 |
Well service fluid and method of making and using the same |
Jul. 27, 2004 |
| 6764981 |
Well treatment fluid and methods with oxidized chitosan-based compound |
Jul. 20, 2004 |
| 6729402 |
Method of recovering hydrocarbon fluids from a subterranean reservoir |
May. 4, 2004 |
| 6607035 |
Preventing flow through subterranean zones |
Aug. 19, 2003 |
| 6586371 |
Liquid compositions which reversibly viscosify or gel under the effect of shear |
Jul. 1, 2003 |
| 6465397 |
Synthetic crosslinked copolymer solutions and direct injection to subterranean oil and gas formations |
Oct. 15, 2002 |
| 6267893 |
Process for cleaning fluids and particulate solids |
Jul. 31, 2001 |
| 6265355 |
Gel-breaker composition and a method for breaking a gel |
Jul. 24, 2001 |
| 6228812 |
Compositions and methods for selective modification of subterranean formation permeability |
May. 8, 2001 |
| 6196317 |
Method and compositions for reducing the permeabilities of subterranean zones |
Mar. 6, 2001 |
| 6172010 |
Water-based foaming composition-method for making same |
Jan. 9, 2001 |
| 5874387 |
Method and cement-drilling fluid cement composition for cementing a wellbore |
Feb. 23, 1999 |
| 5866517 |
Method and spacer fluid composition for displacing drilling fluid from a wellbore |
Feb. 2, 1999 |
| 5789352 |
Well completion spacer fluids and methods |
Aug. 4, 1998 |
| 5721313 |
Crosslinked polymer composition |
Feb. 24, 1998 |
| 5654261 |
Permeability modifying composition for use in oil recovery |
Aug. 5, 1997 |
| 5607902 |
Method of treating shale and clay in hydrocarbon formation drilling |
Mar. 4, 1997 |
| 5458197 |
Well cleanout system and method |
Oct. 17, 1995 |
| 5432153 |
Gelling compositions useful for oil field applications |
Jul. 11, 1995 |
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