Earth boring, well treating, and oil field chemistry inventions 06/07

20070149412 - Oil-based insulating packer fluid: A packer or annular fluid includes a hydrocarbon fluid; and a gelling agent; wherein the packer fluid is a yield power law fluid. A method for preparing a packer fluid includes preparing a mixture of a hydrocarbon fluid, and a gelling agent; heating the mixture to a selected temperature; and... Agent: Osha Liang/mi

20070142234 - Borehole treatment agent containing low-toxic oil phase: The invention relates to a borehole treatment composition containing an aqueous phase and a non-aqueous oil phase, emulsifiers and, where appropriate, further customary additives, the non-aqueous oil phase containing at least one of a) paraffins having from 5 to 22 carbon atoms; and b) internal olefins having from 12 to... Agent: Cognis Corporation Patent Department

20070142235 - Process for oil recovery using surfactant gels: A composition and process for recovering oil by injecting an aqueous solution into a subterranean oil-bearing formation through one or more injection wells, displacing the solution into the formation, and recovering the oil from one or more production wells. This aqueous solution contains one or more amphoteric alkyl amido betaine... Agent: Paul Berger C/o Oct

20070135310 - Compositions for treating a well penetrating a subterranean formation and uses thereof: Fluid producing wells may be treated with a water-in-oil emulsion for the removal or inhibition of unwanted solid particulates, including pipe dope, asphaltenes and paraffins. Such emulsions are of particular applicability in the displacement of oil base drilling muds and/or residues from such muds from producing wells. The water-in-oil emulsions... Agent: Jones & Smith, LLP

20070135311 - Use of cmc in drilling fluids: The invention relates to a water-based drilling fluid composition comprising a carboxymethyl cellulose (CMC), wherein the CMC is characterized by forming a gel at 25° C. after high-shear dissolution in a 0.3 wt % aqueous sodium chloride solution, the final content of the CMC in the aqueous sodium chloride solution... Agent: Ralph J Mancini Akzo Nobel Inc

20070135312 - Solvent free fluidized polymer suspensions for oilfield servicing fluids: This invention relates to a composition and use application of aqueous fluidized polymer suspensions of water soluble polysaccharides and/or polyvinyl alcohol (PVA) for use in oil field applications such completion fluids, drilling fluids, fracturing fluids and oil well cement slurries as rheology/viscosity modifier and fluid loss reducer for use where... Agent: Hercules Incorporated Hercules Plaza

20070135313 - Water-based polymers for use as friction reducers in aqueous treatment fluids: Disclosed are methods comprising providing an aqueous polymer dispersion comprising water, an anionic salt, a water-based friction reducing polymer, a polyol, an anionic surfactant, and a nonionic surfactant; mixing the aqueous polymer dispersion with additional water to form an aqueous treatment fluid; and introducing the aqueous treatment fluid into a... Agent: Halliburton Energy Services, Inc.

20070135314 - Composition and method for treating a subterranean formation: An aqueous oilfield treatment fluid containing a chelating agent and an HF source is described. This fluid is effective at dissolving siliceous materials such as clays and keeping the dissolved materials in solution. In particular it is effective at preventing re-precipitation of initially-dissolved silicon as silica and therefore reduces damage... Agent: Schlumberger Technology Corporation

20070129256 - Additives for inhibiting the formation of gas hydrates: where R1, R2 are each independently radicals of the formulae -(A-O)n—(C)—CO—O—R5, R3 is C1- to C30-alkyl or C2- to C30-alkenyl, R4 is an organic radical which optionally contains heteroatoms and has from 1 to 100 carbon atoms, R5 is an alkyl or an alkenyl, n is a number from 1... Agent: Clariant Corporation Intellectual Property Department

20070129257 - Method for foaming a hydrocarbon drilling fluid and for producing light weight hydrocarbon fluids: A hydrocarbon drilling fluid system is disclosed including a hydrocarbon fluid and a foaming composition, where the foaming composition includes a polymer, a gelling agent and its cross-linking agent, an optional foaming agent, or mixtures or combinations thereof. Uses of this drilling fluid system in a variety of downhole application... Agent: Robert W Strozier, P.l.l.c

20070129258 - High performance water-based drilling mud and method of use: in which x and y have a value so that the molecular weight of the cation is in the range of about 10,000 to about 200,000 AMU; A is selected from C1-C6 alkyl, C2-C6 ether or C2-C6 amide; R, R′ and R″ are independently selectable C1-C3 alkyl; and B− is... Agent: Carter J. White Legal Department M-i L.L.C.

20070129259 - Hydrocarbon industry servicing fluid and methods of performing service operations: A hydrocarbon industry servicing fluid comprises an irradiated fluid that is biologically inert. The fluid may be irradiated with ultraviolet light. A method comprises performing a hydrocarbon industry service operation with an irradiated fluid that is biologically inert. The method may comprise disposing of the irradiated fluid to the environment... Agent: John W. Wustenberg

20070129260 - Additives comprising chlorinated carbohydrates: Additives for use in treatment operations, and more particularly, additives that include chlorinated carbohydrates, are provided. An example of an additive is a well fluid additive for use in a subterranean formation that includes a chlorinated carbohydrate. Another example of an additive is a well fluid additive for use in... Agent: Craig W. Roddy Halliburton Energy Services

20070129261 - Additives comprising maltodextrin: Additives for use in treatment operations, and more particularly, additives that include maltodextrin, are provided. An example of an additive is a well fluid additive for use in a subterranean formation that includes maltodextrin. Another example of an additive is a well fluid additive for use in a subterranean formation... Agent: Baker Botts, LLP

20070129262 - Viscoelastic surfactant rheology modification: Methods for treating a subterranean formation penetrated by a wellbore where shear recovery time of viscoelastic surfactant treatment fluids is shorten by adding an effective amount of an fiber based rheology enhancer. The rheology enhancer also increases fluid viscosity. Further, the rheology enhancer also improves proppant settling. Some examples of... Agent: Schlumberger Technology Corporation