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Class Information
Number: 507/131
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
Description: Composition wherein the organic component contains nitrogen and oxygen, both of which are attached to carbon directly or indirectly by nonionic bonding (e.g., alkanolamines, amino acids, EDTA, etc.).


Sub-classes under this class:

Class Number Class Name Patents
507/132 Organic component contains a nitrogen attached directly to oxygen by nonionic bonding (e.g., nitroaromatic, amineoxide, etc.) 17
507/133 Organic component contains an ether linkage 46


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7566686 Shale inhibition additive for oil/gas down hole fluids and methods for making and using same Jul. 28, 2009
7534746 Metallic soaps of modified tall oil acids May. 19, 2009
7432230 Metallic soaps of modified fatty acids and rosin acids and methods of making and using same Oct. 7, 2008
7381689 Methods for inhibiting hydrate blockage in oil and gas pipelines using amide compounds Jun. 3, 2008
7377721 Methods for using reversible phase oil-based drilling fluid May. 27, 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
7279445 Membrane forming in-situ polymerization for water based drilling fluids Oct. 9, 2007
7273832 Alkali metal tungstate compositions and uses thereof Sep. 25, 2007
7268100 Shale inhibition additive for oil/gas down hole fluids and methods for making and using same Sep. 11, 2007
7247604 Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system Jul. 24, 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
7178610 Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations Feb. 20, 2007
7178594 Method for using reversible phase oil-based drilling fluid Feb. 20, 2007
7152697 Delayed phase changing agent for invert emulsion drilling fluid Dec. 26, 2006
7134496 Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion Nov. 14, 2006
7094738 Phospholipid lubricating agents in aqueous based drilling fluids Aug. 22, 2006
7067460 Organofunctional compounds for shale stabilization of the aqueous dispersed phase of non-aqueous based invert emulsion drilling system fluids Jun. 27, 2006
7063176 Membrane forming in-situ polymerization for water based drilling fluid Jun. 20, 2006
7008907 Additive for oil-based drilling fluids Mar. 7, 2006
6994173 Method of drilling a borehole Feb. 7, 2006
6989354 Invertible well bore servicing fluid Jan. 24, 2006
6914081 Rheology modified compositions and modification agents Jul. 5, 2005
6908887 Suspending agent Jun. 21, 2005
6806233 Methods of using reversible phase oil based drilling fluid Oct. 19, 2004
6800593 Hydrophilic polymer concentrates Oct. 5, 2004
6790811 Oil based drilling fluid Sep. 14, 2004
6770603 Electrically conductive non-aqueous wellbore fluids Aug. 3, 2004
6762154 Viscoelastic surfactant fluids stable at high brine concentrations Jul. 13, 2004
6750180 Borehole fluid containing a lubricating composition--method for verifying the lubrification of a borehole fluid--application with respect to fluids with a high ph Jun. 15, 2004
6660693 Methods for dewatering shaly subterranean formations Dec. 9, 2003
6635604 Low molecular weight water soluble organic compounds as crystallization point suppressants in brines Oct. 21, 2003
6620770 Additive for oil-based drilling fluids Sep. 16, 2003
6608006 Methods of drilling well bores using invertible oil external-water internal drilling fluids Aug. 19, 2003
6460632 Methods of drilling well bores Oct. 8, 2002
6436880 Well treatment fluids comprising chelating agents Aug. 20, 2002
6426321 Biodegradable drilling mud and process for its preparation Jul. 30, 2002
6412561 Methods of fracturing subterranean formations Jul. 2, 2002
6405809 Conductive medium for openhold logging and logging while drilling Jun. 18, 2002
6399546 Fluid system having controllable reversible viscosity Jun. 4, 2002
6365639 Rheology, modified compositions exhibiting stress-dependent fluidity, modification agents therefor, and methods of making same Apr. 2, 2002
6339048 Oil and oil invert emulsion drilling fluids with improved anti-settling properties Jan. 15, 2002
6308788 Conductive medium for openhole logging and logging while drilling Oct. 30, 2001
6284714 Pumpable multiple phase compositions for controlled release applications downhole Sep. 4, 2001
6218342 Oil-based drilling fluid Apr. 17, 2001
6211119 Multiphase lubricant concentrates for use in water based systems in the field of exploratory soil drilling Apr. 3, 2001
6194354 Drilling fluid concentrates Feb. 27, 2001
6113809 Use of a high purity imidazoline based amphoacetates as surface active agents Sep. 5, 2000
6080704 Glycols as gas hydrate inhibitors in drilling, drill-in, and completion fluids Jun. 27, 2000

1 2 3


 
 
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