Earth boring, well treating, and oil field chemistry inventions 12/08

20080318810 - Self-breakable yield point enhancer for oil based drilling mud: The present invention relates to a liquid, self-breakable, temporary viscosifier agent (yield point enhancer) for oil based drilling muds, obtained by reacting one or more dicarboxylic fatty acids with a secondary dialkanolamine and thereafter with a tertiary tialkanolamine, and to oil based drilling muds containing it.... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20080318811 - Versatile additives for well cementing applications: The present invention provides a versatile additive for improving the properties of a cement slurry made with portland cement and to be utilized in well cementing, said versatile additive comprising type of silicates and/or borates that inhibit gelation occurring with the interstitial phase. The additive of the present invention improves... Agent: Schlumberger Technology Corporation David Cate

20080318812 - Oil based concentrated slurries and methods for making and using same: New hydrocarbon based slurry compositions and drilling, fracturing, completion and production fluids including the hydrocarbon based slurry composition are disclosed, where the composition includes a hydrocarbon soluble polymer adapted to decrease particle settling rates of particulate materials present in the fluids and in the case of fluids that include hydratable... Agent: Robert W Strozier, P.l.l.c

20080312107 - Process for treating underground formations: A process for disrupting filter cake in an underground formation, which includes (i) incorporating into a treatment fluid a solid polymer capable of being converted by hydrolysis into one or more organic acids; (ii) introducing the treatment fluid into the underground formation; and (iii) allowing the solid polymer to hydrolyze... Agent: Nixon & Vanderhye, PC

20080312108 - Compositions and process for recovering subterranean oil using green non-toxic biodegradable strong alkali metal salts of polymerized weak acids: p

20080305971 - Polysaccharide treatment fluid and method of treating a subterranean formation: A treatment fluid for treating a subterranean formation penetrated by a wellbore is formed from an aqueous medium, a diutan heteropolysaccharide having a tetrasaccharide repeating unit in the polymer backbone and a peroxide breaker. A method of treating a subterranean formation penetrated by a wellbore may be carried out by... Agent: Schlumberger Technology Corporation David Cate

20080300149 - Polysaccharide based cement additives: A composition comprising a carboxylated, sulfonated polysaccharide and a wellbore servicing fluid. A wellbore servicing composition comprising a hydraulic cement and a carboxylated, sulfonated polysaccharide. A wellbore servicing composition comprising a polysaccharide having carboxylate and sulfonate groups.... Agent: Craig W. Roddy Halliburton Energy Services

20080300150 - Methods of using polysaccharide based cement additives: A method of servicing a wellbore comprising introducing to the wellbore a wellbore servicing fluid comprising an additive composition comprising a polysaccharide having carboxylate and sulfonate groups. A method of servicing a wellbore comprising preparing at the well site an additive composition comprising a polysaccharide having carboxylate and sulfonate groups,introducing... Agent: Franklin Charles Andrews Gaylord

20080300151 - Oil-well cement fluid loss additive compostion: The present invention relates to compositions and use of fluidized polymer suspensions containing allyloxy linkage and its functional derivatives, and water soluble polymers for use in oil field applications as fluid additives for drilling and cementing processes.... Agent: Hercules Incorporated

20080300152 - Methods and compositions for crosslinking polymers with boronic acids: The present invention also provides methods of crosslinking gelling agent molecules, methods of treating a subterranean formation, methods of reusing viscosified treatment fluids, methods of fracturing subterranean formations, and methods of placing a gravel pack in subterranean formations. The present invention also provides boronic acid crosslinking agents and viscosified treatment... Agent: Robert A. Kent

20080300153 - Use of nano-sized clay minerals in viscoelastic surfactant fluids: Nano-sized clay minerals enhance the viscosity of aqueous fluids that have increased viscosity due to the presence of viscoelastic surfactants (VESs). In one non-limiting theory, the nano-sized clay mineral viscosity enhancers associate, link, connect, or relate the VES micelles thereby increasing the viscosity of the fluid, possibly by mechanisms involving... Agent: Madan, Mossman & Sriram, P.C.