Earth boring, well treating, and oil field chemistry inventions 09/08

20080234145 - Use of lithium salts of fatty alcohol sulphates for cleaning boreholes, boring devices and borings: The invention relates to the use of compounds of general formula (I): R—O—SO—Li+, wherein R represents a saturated, unsaturated, branched or linear alkyl radical comprising 8-22 C-atoms, for cleaning boreholes, boring devices and borings.... Agent: Smith Moore LLP

20080234146 - Proppant and production method thereof: The invention relates to the oil-and-gas production industry and can be used for enhancement of the production of oilfield wells as it prevents the fracture from closing by pumping of propping granules (proppant) during the hydraulic fracturing of oil-producing formations. Higher stimulation of a reservoir through using hydraulic fracturing is... Agent: Schlumberger Technology Corporation David Cate

20080234147 - Method of treating subterranean formation with crosslinked polymer fluid: A method of treating a subterranean formation penetrated by a wellbore utilizes a treating fluid formed from an aqueous solution of a water-soluble polymer. The treating fluid further contains a crosslinking agent and an optional delayed release alkaline additive. The delayed release alkaline additive may be at least one of... Agent: Schlumberger Technology Corporation David Cate

20080234148 - Method of increasing ph of high-density brines: It has been discovered that carbonate powders and bicarbonate powders are useful to increase the pH and corrosion resistance of high-density brines, such as zinc bromide brines, without significantly reducing their densities. The carbonates and/or bicarbonates should be water-soluble and may be sodium, potassium, magnesium and/or ammonium carbonates and/or bicarbonates... Agent: Madan, Mossman & Sriram, P.C.

20080227665 - Aqueous-based insulating fluids and related methods: Provided herein are methods that include In one embodiment, the present invention provides a method comprising: providing an annulus between a first tubing and a second tubing; providing an aqueous-based insulating fluid that comprises an aqueous base fluid, a water-miscible organic liquid, and a synthetic polymer; and placing the aqueous-based... Agent: Craig W. Roddy Halliburton Energy Services, Inc.

20080227666 - Reconditioning process for used hydrocarbon based stimulation fluid: A process treats a fluid stream of used fracturing fluid containing contaminants and forms a reconditioned fluid stream. Contaminants are removed by the combination of distillation, electrostatic agglomeration, decanting, and filtration or by distillation and optional filtering. Optionally, in each case, the filtered fluid stream is treated in a clay... Agent: Sean W. Goodwin

20080227667 - Fluid loss control additive and cement compositions comprising same: A fluid loss control additive comprising a crosslinked polymer and sugar and cement compositions comprising the same. In one embodiment, the fluid loss control additive comprises a polymer and a sugar connected by a pH-sensitive crosslink. In some embodiments, the polymer is a polyvinyl alcohol, and the sugar is a... Agent: Craig W. Roddy Halliburton Energy Services

20080227668 - Corrosion-inhibiting additives, treatment fluids, and associated methods: Among other things, corrosion-inhibiting additives that comprise certain surfactants, and associated treatment fluids and methods of use are provided. In one embodiment, the methods comprise: providing a treatment fluid that comprises a base fluid, an α,β-unsaturated aldehyde, a sulfur-containing compound, and at least one nitrogen-containing surfactant that is anionic, nonionic,... Agent: Robert A. Kent

20080227669 - Corrosion-inhibiting additives, treatment fluids, and associated methods: Among other things, corrosion-inhibiting additives that comprise certain surfactants, and associated treatment fluids and methods of use are provided. In one embodiment, the methods comprise: providing a treatment fluid that comprises a base fluid, an α,β-unsaturated aldehyde, a sulfur-containing compound, and at least one nitrogen-containing surfactant that is anionic, nonionic,... Agent: Robert A. Kent

20080227670 - Drilling fluids containing biodegradable organophilic clay: Methods are provided including methods of treating a well bore with drilling fluids comprising organophilic clays treated with quaternary ammonium surfactants having at least two amide linkages. In some embodiments, the methods comprise: providing a drilling fluid comprising a nonaqueous phase and an organophilic clay treated with a quaternary ammonium... Agent: Craig W. Roddy Halliburton Energy Services

20080227671 - Low toxicity shale hydration inhibition agent and method of use: t

20080227672 - Unsaturated fatty acids and mineral oils as internal breakers for ves-gelled fluids: Fluids viscosified with viscoelastic surfactants (VESs) may have their viscosities reduced (gels broken) by the direct or indirect action of a synergistic internal breaker composition that contains at least one first internal breaker that may be a mineral oil and a second breaker that may be an unsaturated fatty acid.... Agent: Madan, Mossman & Sriram, P.C.

20080220991 - Contacting surfaces using swellable elements: The present disclosure includes a system and method contacting surfaces using swellable elements. In some implementations, an apparatus includes a tubing and a polymer compound. The tubing includes surface and is configured to longitudinally conduit fluid. The polymer compound is adjacent at least a portion the surface of the tubing... Agent: Fish & Richardson P.c.

20080220992 - Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures: The invention provides a method for treating a subterranean formation penetrated by a wellbore, the method comprising the steps of formulating a treatment fluid and introducing the treatment fluid through the wellbore. The treatment fluid comprises water; diutan; and a sufficient amount of salt to increase the density of the... Agent: Robert A. Kent

20080220993 - Stable sodium thiosulfate based fluidized polymer suspensions of hydroxyethyl cellulose for oilfield services: This invention relates to a composition and use application of aqueous fluidized polymer suspensions of hydroxyethyl cellulose (HEC) suspended in sodium thiosulfate 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

20080220994 - Defoaming methods and compositions: Embodiments of the present invention are directed to defoaming methods and compositions for well treatment fluids. An exemplary embodiment of the present invention provides a method of defoaming a well treatment fluid, comprising combining a defoaming composition with the well treatment fluid, wherein the defoaming composition comprises an amide of... Agent: Craig W. Roddy Halliburton Energy Services

20080220995 - Suspension of concentrated particulate additives containing oil for fracturing and other fluids: The handling, transport and delivery of particulate materials, particularly fine particles, may be difficult. Alkaline earth metal oxide particles such as magnesium oxide (MgO) may be suspended in glycerin and/or alkylene glycols such as propylene glycol up to loadings of 51 wt %. Such suspensions or slurries make it easier... Agent: Madan, Mossman & Sriram, P.c.

20080220996 - Sintered spherical pellets: Sintered, spherical composite pellets or particles comprising alumina fines, at least one of clay and bauxite and optionally a sintering aid, are described, along with a process for their manufacture. The use of such pellets in hydraulic fracturing of subterranean formations and in grinding is also described.... Agent: Haynes And Boone, LLP

20080214413 - Water-based polymer drilling fluid and method of use: A water-based drilling fluid comprises a polymer which is a non-ionic polymer or an anionic polymer. The polymer can be a polyacrylamide. The fluid is used for drilling subterranean formations containing heavy crude oil and bitumen-rich oil sands, and may comprise additional fluid components.... Agent: Dickstein Shapiro LLP

20080214414 - Organosulfonyl latent acids for petroleum well acidizing: Oil wells are treated with latent acids containing a sulfonyl moiety, wherein the latent acid is capable of providing an active acid after injection into an oil well. The latent acids are converted to active acids, such as mineral acids or strong organic acids, in the oil well, with resultant... Agent: Arkema Inc. Patent Department - 26th Floor