Earth boring, well treating, and oil field chemistry inventions 02/09

20090054268 - Use of substituted polyethyleneimines as gas hydrate inhibitors with improved biodegradability: P

20090054269 - Methods and compositions utilizing lost-circulation materials comprising composite particulates: Disclosed embodiments relate to compositions and methods for using a composite particulate comprising a cellulosic fiber and a filler as a lost-circulation material. An example of a method of controlling lost circulation in a subterranean method, comprises contacting a subterranean formation with a fluid comprising a base fluid and a... Agent: Craig W. Roddy Halliburton Energy Services

20090054270 - Hydrocolloid gum compositions, methods of forming the same, and products formed therefrom: Hydrocolloid gum compositions, methods of forming the same, and products formed therefrom. The composition may comprise a hydrocolloid gum, such as xanthan gum, a cellulose thickener, and a solvent component. The solvent component may comprise a lactate ester and, optionally, an alkylene glycol alkyl ether.... Agent: K&l Gates LLP Henry W. Oliver Building

20090054271 - Glycerol polycarbonate, organic compositions containing same and method for obtaining said compositions: The invention concerns an organic composition comprising glycerol polycarbonates, mixed with polyglycerols, [(a-hydroxymethyl)oxyethylene/(a-hydroxymethyl ethylene carbonate) copolymers; optionally [(a-alkyl)oxyethylene/(a-alkyl) ethylene carbonate] copolymers, optionally [(a-alkyl)oxyethylene/(a-hydroxyalkyl)oxyethylene] copolymers, glycerol carbonate and/or other organic carbonates, glycerol and/or other co-produced and/or residual compounds and a method for producing said composition. The inventive composition or the homopolymers... Agent: Womble Carlyle Sandridge & Rice, PLLC

20090054272 - Emulsifier containing thermally exfoliated graphite oxide: An emulsifier containing a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m2/g to 2600 m2/g.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090054273 - Crosslinking composition for fracturing fluids: Improved gelled hydrocarbon fracturing fluids include a gelling agent and a crosslinking composition including a crosslinking agent and a catalytic agent. The catalytic agent is a fatty quaternized amine, which includes monoalkyl benzyl quaternized amines.... Agent: Edward Yoo C/o Bennett Jones

20090054274 - Formation of heteroatom containing derivatives of paraffins: A process by which alkyl halides may be reacted (coupled) with nucleophilic materials in the presence of a homogeneous catalyst system. The process comprises reacting (coupling) alkyl halides with a nucleophilic material in the presence of a homogeneous catalyst system to produce derivatives of alkyl halides, wherein the homogeneous catalyst... Agent: Shell Oil Company

20090048126 - Method of treating formation with polymer fluids: A method of treating a subterranean formation penetrated by a wellbore is carried out by providing a treatment fluid comprising a hydratable polymer, a divalent metal salt in an amount of at least about 0.25 mol/L and an aluminum crosslinking agent. The fluid is provided with a pH of from... Agent: Schlumberger Technology Corporation David Cate

20090042746 - Water-based drilling fluid: P

20090042747 - Use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters as gas hydrate inhibitors with improved biodegradability: The invention provides for the use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters, preparable by esterifying alcohols having from 1 to 100 hydroxyl groups with 1-alkyl-5-oxopyrrolidine-3-carboxylic acid, in amounts of from 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases which are in contact with a gaseous, liquid... Agent: Clariant Corporation Intellectual Property Department

20090042748 - Method of acidizing sandstone formations: An acidizing fluid for sandstone formations is provided, along with methods of acidizing a sandstone formation penetrated by a wellbore. The aqueous acid treatment is a mixture of an aqueous liquid, a fluoride source, and an effective amount of at least one homopolymer or copolymer of a polycarboxylic acid, salt... Agent: Schlumberger Technology Corporation David Cate

20090042749 - N,n-dialkylpolyhydroxyalkylamines: N,N-Dialkylpolyhydroxyalkylamines may be made by the reductive alkylation of an N-alkylpolyhydroxyalkylamine with an aldehyde or ketone, or with an equivalent compound, in the presence of a transition metal catalyst and hydrogen. The reaction is performed in a reaction solvent that contains at least 30 wt % of an organic solvent.... Agent: Air Products And Chemicals, Inc. Patent Department

20090042750 - Acidic treatment fluids comprising xanthan and associated methods: Acidic treatment fluids used in industrial and/or subterranean operations, and more particularly, acidic treatment fluids comprising clarified xanthan gelling agents, and methods of use in industrial and/or subterranean operations, are provided. In one embodiment, the methods comprise: providing an acidic treatment fluid that comprises an aqueous base fluid, an acid,... Agent: Robert A. Kent

20090036329 - Inhibiting naphthenate solids and emulsions in crude oil: Naphthenic acid solids and/or emulsions can be inhibited by introducing an additive to crude oil prior to or concurrent with the deprotonation of the naphthenic acids present in the crude oil. The additives may be surfactants and can be amines, quaternary ammonium compounds, quaternary phosphonium compounds, and mixtures of both.... Agent: Madan, Mossman & Sriram, P.C.

20090036330 - Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations: An inhibitive water-based polymer mud system and method for using the system in drilling and in stabilizing wellbores is disclosed for use in water sensitive formations as an alternative to oil-based muds. The system comprises a substantially non-ionic low molecular weight polyacrylamide in combination with a substantially non-ionic high molecular... Agent: Karen B. Tripp, Attorney At Law

20090036331 - Hydraulic fluid compositions: An aqueous hydraulic fluid composition comprising a first lubricant comprising at least one phospholipid and a second lubricant comprising an alkoxylate salt. The aqueous hydraulic fluid composition contains less than about 20% by weight (preferably none or substantially none) of an oil selected from the group consisting of mineral oils,... Agent: Arthur G. Schaier Carmody & Torrance LLP

20090036332 - Composition and process for enhanced oil recovery: The present invention includes a cost effective custom-designed blend of organic chemicals to stimulate oil production. The invention includes a chemical composition for use in drilling operations for oil recovery and the method of using the chemical composition. The chemical composition includes an ammonia compound, an alcohol, and aqueous carrier... Agent: Constance Gall Rhebergen Bracewell & Patterson, LLP