Earth boring, well treating, and oil field chemistry inventions 06/08

20080153717 - Methods of forming and using an in situ heavy hydrocarbon emulsion: The present invention relates to methods of forming and using an in situ heavy hydrocarbon emulsion produced during drilling operations from heavy oil and/or crude bitumen recovered through processes such as cyclic steam stimulation and steam assisted gravity drainage (SAGD). After optional upgrading at the surface, the emulsion may be... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080153718 - Use of water-soluble alkane sulfonic acids for increasing the permeability of underground petroliferous and/or gas-bearing carbonate rock formations and for dissolving carbonate contaminants and/or contaminants containing carbonates during petroleum produ: Methods of increasing permeability in a carbonatic rock formation, the methods comprising: providing an alkanesulfonic acid; and introducing the alkanesulfonic acid into the carbonatic rock formation.... Agent: Connolly Bove Lodge & Hutz, LLP

20080153719 - Use of mineral oils, hydrogenated polyalphaolefin oils and saturated fatty acids for breaking ves-gelled fluids: Fluids viscosified with viscoelastic surfactants (VESs) may have their viscosities reduced (gels broken) by the direct or indirect action of a breaker composition that contains at least one mineral oil, at least one polyalphaolefin oil, and/or at least one saturated fatty acid. The breaker may initially be dispersed oil droplets... Agent: Madan, Mossman & Sriram, P.c.

20080153720 - Solids suspension with nanoparticle-associated viscoelastic surfactant micellar fluids: An aqueous, viscoelastic fluid gelled with a viscoelastic surfactant (VES) may suspend solids such as proppants, gravel, drilling debris, waste solids and the like with an effective amount of a nano-sized additive including, but not necessarily limited to alkali earth metal oxides, alkali earth metal hydroxides, alkali metal oxides, alkali... Agent: Madan, Mossman & Sriram, P.c.

20080146463 - Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids: Among other things, methods of treating a subterranean formation with gelled hydrocarbon fluids are provided. In certain embodiments, these methods comprise the steps of providing a gelled liquid hydrocarbon treatment fluid comprising a liquid hydrocarbon and a gelling agent that comprises a polyvalent metal salt of an organophosphonic acid ester... Agent: Robert A. Kent

20080146464 - Corrosion inhibitor composition comprising a built-in intensifier: A corrosion inhibitor composition comprising one or more organic solvents, one or more corrosion inhibitor intermediates and about 0.1 to about 20 weight percent of one or more iodide salts dissolved in said composition and methods of using the corrosion inhibitor composition in acid fracturing and matrix acid stimulation of... Agent: Michael B. Martin Patent And Licensing Department

20080146465 - Viscoelastic acid: An acidic viscoelastic surfactant fluid composition is formulated with an acid, for example hydrochloric acid, a cationic surfactant, for example a quaternary amine, and a break-enabling salt, for example NH4Cl. The fluid composition has low viscosity as formulated, undergoes an increase in viscosity as the acid is consumed when it... Agent: Schlumberger Technology Corporation David Cate

20080146466 - Non-phosphorus-based gellants for hydrocarbon fluids: A substantially liquid gellant formed as one or more reaction products of a metal carboxylate or metal carboxylate amine salt, one or more organic acids, an ester which drives the reaction so that the reaction products are asymmetrical in structure, and a rheology modifier which preferentially interacts between the reaction... Agent: Sean W. Goodwin

20080139410 - Viscoelastic surfactant fluid systems comprising an aromatic sulfonate and methods of using same: Methods of improving shear recovery time of viscoelastic surfactant fluid systems are described, one method involving providing a viscoelastic surfactant fluid system comprising a major portion of a surfactant and a rheology enhancer in a concentration sufficient to shorten shear recovery time of the fluid system compared to shear recovery... Agent: Schlumberger Technology Corporation David Cate

20080139411 - Methods of treating subterranean formations using hydrophobically modified polymers and compositions of the same: Among the many embodiments provided by the invention, in one embodiment, a method is presented that comprises: providing a treating fluid comprising water, a charged polymer in an amount in the range of from about 2000 to about 20000 ppm, and a surfactant having a charge that is opposite to... Agent: Robert A. Kent

20080139412 - Method for treating a subterranean formation: Acidizing methods for subterranean formations formed of predominantly siliceous material as well as acidizing compositions. Some methods include injecting into a predominantly siliceous subterranean formation, an aqueous acidic mixture formed by blending an aqueous liquid, a fluoride source, and an effective amount of an alkane sulfonic acid, preferably methane sulfonic... Agent: Schlumberger Technology Corporation David Cate

20080139413 - Flexible polymer, particles prepared therefrom and process for preparing the same: wherein R is C1-C12alkyl, C1-C12 alkyl aryl, C1-C12 alkyl ether or C1-C12alkyl ester. Monomer (A) is in an amount of 60-90% by weight of the total combined weight of monomer (A) and monomer (B). Monomer (B) is in an amount of 10-40% by weight of the total combined weight of... Agent: Cohen, Pontani, Lieberman & Pavane

20080139414 - Corrosion inhibitor intensifier compositions and associated methods: Many methods are presented herein including a method comprising: providing a metal surface; and contacting the metal surface with a treatment fluid comprising an aqueous base fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising a corrosion inhibitor compound that corresponds to a formula: PR1R2R3, wherein... Agent: Robert A. Kent

20080139415 - Acid-generating fluid loss control additives and associated methods: Many methods are provided herein including a method of providing fluid loss control comprising: providing a treatment fluid; adding to the treatment fluid an acid-generating fluid loss control additive comprising an acid-generating component wherein the acid-generating fluid loss control additive forms droplets in the treatment fluid; and placing the treatment... Agent: Robert A. Kent

20080139416 - Fluid loss control and well cleanup methods: A method for removing preexisting filtercake from a portion of a subterranean formation penetarted by a wellbore is carried out by providing water-degradable particles formed from a solid polymeric acid precursor material that is capable of a degrading to acid for reacting with materials of the filtercake. A slurry is... Agent: Schlumberger Technology Corporation David Cate

20080139417 - Method of preventing or reducing fluid loss in subterranean formations: A method of treating a formation penetrated by a wellbore to reduce fluid loss to the formation is carried out by providing a quantity of water-degradable particles formed from a solid polymeric acid precursor having a number average molecular weight (Mn) of greater than 4000. A slurry of the particles... Agent: Schlumberger Technology Corporation David Cate

20080139418 - Method for extracting heavy oil and bitumen from tar sands: The use of high flash point low vapor pressure compositions for removal of crude oil deposits from tar sands by injection of products in situ or by removal of tar sands and batch processing. Processing equipment is designed for use on these compositions to maximize recovery of deposits and producing... Agent: Katten Muchin Rosenman LLP

20080139419 - Viscosity enhancers for viscoelastic surfactant stimulation fluids: Piezoelectric crystal particles (which include pyroelectric crystal particles) enhance the viscosity of aqueous fluids that have increased viscosity due to the presence of viscoelastic surfactants (VESs). In one non-limiting theory, when the fluid containing the viscosity enhancers is heated and/or placed under pressure, the particles develop surface charges that associate,... Agent: Madan, Mossman & Sriram, P.c.

20080132431 - Scale squeeze treatment methods and systems: An aqueous composition for treating hydrocarbon wells comprises an aqueous medium, a scale inhibitor, and a guar.... Agent: Kevin E. Mcveigh Rhodia Inc.