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Class Information
Number: 507/133
Name: Earth boring, well treating, and oil field chemistry > Earth boring > Contains organic component > Organic component contains nitrogen attached directly or indirectly to carbon by nonionic bonding > Oxygen is attached directly or indirectly to carbon by nonionic bonding > Organic component contains an ether linkage
Description: Composition wherein the organic component contains an ether linkage; i.e., two carbons directly bonded to the same oxygen atom (e.g., polyoxyalkyleneamines, etc.).


Patents under this class:

Patent Number Title Of Patent Date Issued
7534746 Metallic soaps of modified tall oil acids May. 19, 2009
7381689 Methods for inhibiting hydrate blockage in oil and gas pipelines using amide compounds Jun. 3, 2008
7354886 Pumpable multiple phase compositions for controlled release applications downhole Apr. 8, 2008
7345010 Compositions for drilling fluids useful to provide flat temperature rheology to such fluids over a wide temperature range and drilling fluids containing such compositions Mar. 18, 2008
7250390 High performance water based drilling fluids and method of use Jul. 31, 2007
7238646 Invertible well bore servicing fluid Jul. 3, 2007
7226896 Organic emulsion-breaking formula and its use in treating well bores drilled in oil-base mud Jun. 5, 2007
7084092 Shale hydration inhibition agent and method of use Aug. 1, 2006
7012043 Drilling fluids Mar. 14, 2006
6989354 Invertible well bore servicing fluid Jan. 24, 2006
6857485 Shale hydration inhibition agent and method of use Feb. 22, 2005
6831043 High performance water based drilling mud and method of use Dec. 14, 2004
6790811 Oil based drilling fluid Sep. 14, 2004
6609578 Shale hydration inhibition agent and method of use Aug. 26, 2003
6484821 Shale hydration inhibition agent and method of use Nov. 26, 2002
6339048 Oil and oil invert emulsion drilling fluids with improved anti-settling properties Jan. 15, 2002
6247543 Shale hydration inhibition agent and method of use Jun. 19, 2001
6218342 Oil-based drilling fluid Apr. 17, 2001
5939475 Organic fluid systems containing clay/polyamide compositions Aug. 17, 1999
5922652 Microencapsulated oil field chemicals Jul. 13, 1999
5908814 Drilling fluid additive and method for inhibiting hydration Jun. 1, 1999
5851961 Anti-settling lubricity agent for water/oil dispersion compositions Dec. 22, 1998
5807811 Water-based drilling fluids containing phosphites as lubricating aids Sep. 15, 1998
5620946 Compositions containing combinations of surfactants and derivatives of succininc acylating agent or hydroxyaromatic compounds and methods of using the same Apr. 15, 1997
5593952 Amphoteric acetates and glycinates as shale stabilizing surfactants for aqueous well fluids Jan. 14, 1997
5535834 Method for reducing torque in downhole drilling Jul. 16, 1996
5470822 Low-toxicity invert emulsion fluids for well drilling Nov. 28, 1995
5459125 Corrosion inhibitor composition and method of use Oct. 17, 1995
5260268 Methods of drilling well boreholes and compositions used therein Nov. 9, 1993
5082576 Removal of sulfides using chlorite and an amphoteric ammonium betaine Jan. 21, 1992
4941983 Fluid loss-reducing additives for oil-based well working fluids Jul. 17, 1990
4828724 Drilling fluid to minimize solids disintegration May. 9, 1989
4828726 Stabilizing clayey formations May. 9, 1989
4767549 Dispersant coated mineral fiber in a drilling fluid Aug. 30, 1988
4743698 Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein May. 10, 1988
4666613 Process and agents for controlling the swelling of clays in the presence of sea-water and clay-based muds May. 19, 1987
4645608 Method of treating oil contaminated cuttings Feb. 24, 1987
4596662 Compositions for use in drilling, completion and workover fluids Jun. 24, 1986
4547299 Drilling fluid containing a copolymer filtration control agent Oct. 15, 1985
4505833 Stabilizing clayey formations Mar. 19, 1985
4429097 Alkyl poly(oxyalkylene) esters of acrylate oligomers and copolymers thereof for thickening purposes Jan. 31, 1984
4341645 Aqueous drilling and packer fluids Jul. 27, 1982
4230586 Aqueous well-drilling fluids Oct. 28, 1980
4148736 Oil recovery process using viscosified surfactant solutions Apr. 10, 1979
3979305 Low fluid loss additive composition Sep. 7, 1976
3979304 Method for drilling and treating subterranean formations using a low fluid loss agent Sep. 7, 1976



 
 
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