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Earth boring, well treating, and oil field chemistry February patent applications/inventions, industry category 02/11

20110046023 - Scale and corrosion inhibitors for high temperature and pressure conditions: The present invention relates to a method for inhibiting scale and corrosion in aqueous systems, for example, under high temperature and pressure conditions such as temperatures up to 250° C. and/or pressures up to 10000 psi (i.e., about 68.9 MPa). The method involves providing polymer compositions comprising 1% to 100%... Agent: Rohm And Haas Company Patent Department

20110046024 - Enhanced oil recovery surfactant composition and method of making the same: e

20110046025 - Low molecular weight graft copolymers: Low molecular weight graft copolymer comprising a synthetic component formed from at least one or more olefinically unsaturated carboxylic acid monomers or salts thereof, and a natural component formed from a hydroxyl-containing natural moiety. The number average molecular weight of the graft copolymer is about 100,000 or less, and the... Agent: Akzo Nobel Inc.

20110039737 - Binders for binding beds and loose formations and processes for producing them: A binder is described which comprises A) a hydrolysate or heterocondensate of at least one hydrolysable silicon compound and at least one metal, phosphorus or boron compound, the metal being selected from Al, Ge, Sn, Pb, Ti, Mg, Li, V, Nb, Ta, Zr and Hf, B) an organic polymerizable or... Agent: Greenblum & Bernstein, P.L.C

20110034351 - Hydrophobically and cationically modified relative permeability modifiers and associated methods: Methods and compositions including a method comprising introducing a hydrophobically and cationically modified relative permeability modifier into a portion of a subterranean formation, wherein the hydrophobically and cationically modified relative permeability modifier comprises a hydrophilic polymer backbone with a hydrophobic modification and a cationic modification.... Agent: Robert A. Kent

20110034352 - Rheology modifier for polymer fluids: Embodiments of this invention relate to a composition and a method for tailoring the rheology of a fluid for use in the oil field services industry including forming a fluid comprising a tetrakis(hydroxyalkyl) phosphonium salt and a polymer, and exposing the fluid to a temperature of about 20° C. to... Agent: Schlumberger Technology Corporation David Cate

20110034353 - Method of preparing a nanoparticulate iron - crown ether complex: A stabilized nano-Fe6-iron-crown ether complex is formed by preparing a solution of an iron salt and an olygomer crown compound in dialkylamine or diethylamine. Sodium tetrahydroboron (NaBH4) and dialkylamine or ethylendiamine are added at a temperature of 0-10° C. The mixture is heated to room temperature and boiled, thereby converting... Agent: J. Harrison Colter

20110028354 - Method of stimulating subterranean formation using low ph fluid containing a glycinate salt: Hydraulic fracturing is conducted by use of a well treatment fluid which contains a guar gum derivative as viscosifying or gelling polymer, an organic zirconate complex of a zirconium metal and an alkanol amine as crosslinking agent and a salt of a hydroxylated glycine as crosslinking delaying agent. The fluid... Agent: Jones & Smith , LLP

20110028355 - Non-estrogenic alkylphenol derivatives: A method of making phenol and alkylphenol ethoxylates non-estrogenic by inserting 1 mole of propylene oxide onto the phenolic group before proceeding with the addition of ethylene oxide or mixtures of ethylene and propylene oxide. The final phenolic products can be further reacted to form sulfates, sulfonates, phosphate esters, condensed... Agent: Paul Berger

20110028356 - Annular fluids and method of emplacing the same: An annular fluid or packer fluid, and methods of making the same, that includes a water-miscible solvent, a viscosifying additive, a crosslinking agent, a crosslinking inhibitor having the facility to inhibit crosslinking between the viscosifying additive and the crosslinking agent, and an initiating agent having the facility to overcome an... Agent: Osha Liang/mi

20110028358 - Methods of fluid loss control and fluid diversion in subterranean formations: Improved methods of placing and/or diverting treatment fluids in subterranean formations are provided. In one embodiment, the methods comprise introducing a treatment fluid into a subterranean formation penetrated by a well bore, wherein the treatment fluid comprises: a base fluid, and a plurality of solid particulates comprising at least one... Agent: Robert A. Kent

20110028357 - System, method and apparatus for enhancing wellbore treatment fluid flexibility: A method includes performing a chemical process to create a chemical product and an amount of heat, and transferring the heat to a first fluid. The method further includes hydrating a polymer in the first fluid, and adding the chemical product from the chemical process to the first fluid to... Agent: Schlumberger Technology Corporation David Cate

20110028359 - Method and composition for enhanced hydrocarbons recovery: A method of treating a hydrocarbon containing formation, comprising (a) providing a composition to at least a portion of the hydrocarbon containing formation, wherein the composition comprises a derivative selected from the group consisting of a carboxylate or a sulfate or glycerol sulfonate of an ethoxylated/propoxylated primary alcohol having a... Agent: Shell Oil Company

20110028360 - Organic corrosion inhibitor package for organic acids: An acidizing composition useful for treating a subterranean hydrocarbon producing formation and removing scale from oilfield equipment, the composition including: an acid; water; and an effective amount of a corrosion inhibitor composition including: at least one mercapto-compound; and at least one alkoxylated acetylenic alcohol. Also disclosed are methods for removing... Agent: Osha Liang/mi