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

20080207469 - Bit balling treatment: A solid body contains a surfactant and crushed walnut hulls. The solid body is shaped to predetermined dimensions that permit passage through the central interior opening of drill pipe. The solid body dissolves in drilling mud for delivery of a pill to the annulus through the drill bit nozzles. The... Agent: Lathrop & Gage Lc

20080207470 - Crosslinked acids comprising derivatized xanthan and subterranean acidizing applications: Many methods are provided herein including, in one embodiment, a method comprising: providing a fluid that comprises an acid, crosslinked oxidized xanthan, and optionally, a base fluid; placing the fluid in a well bore penetrating a subterranean formation; and allowing the fluid to acidize at least a portion of the... Agent: Robert A. Kent

20080207471 - Using oxidizing agents to remove thiocyanantes from brines: A method for reclamation of a brine that includes mixing a brine containing thiocyanates with an oxidizing agent; and allowing for a time sufficient for the oxidizing agent to oxidize at least a portion of the thiocyanates is disclosed. Other methods may also include determining the quantity of unoxidized thiocyanates... Agent: Osha Liang/mi

20080200350 - Process fluid: A water-based, shear-thinning process fluid comprises bentonite, alumnium hydroxide particles, and salt. The median diameter (by weight) of the aluminium hydroxide particles does not exceed 2 μm.... Agent: Dann, Dorfman, Herrell & Skillman

20080200351 - Method of recycling fracturing fluids using a self-degrading foaming composition: A method of fracturing a subterranean zone penetrated by a well bore preparing a foamed fracturing fluid containing a self-degrading foaming composition with a mixture of anionic surfactant and nonionic surfactant, and a composition thereof. The fracturing fluid containing self-degrading foaming composition forms a substantially less stable foam when the... Agent: Mialeeka Williams Rhodia Inc.

20080200352 - Degradable material assisted diversion or isolation: A method for well treatment by forming a temporary plug in a fracture, a perforation, a wellbore, or more than one of these locations, in a well penetrating a subterranean formation is provided, in which the method of well treatment includes: injecting a slurry comprising a degradable material, allowing the... Agent: Schlumberger Technology Corporation David Cate

20080200353 - Viscoelastic surfactant fluids and related methods of use: Viscoelastic surfactant based aqueous fluid systems useful as thickening agents in various applications, e.g. to suspend particles produced during the excavation of geologic formations. The surfactants are zwitterionic/amphoteric surfactants such as dihydroxyl alkyl glycinate, alkyl ampho acetate or propionate, alkyl betaine, alkyl amidopropyl betaine and alkylimino mono- or di-propionates derived... Agent: Charles N. J. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20080200354 - Breaker and displacement fluid and method of use: A method of cleaning a wellbore prior to the production of oil or gas is disclosed, wherein the wellbore has been drilled with an invert emulsion drilling mud that forms an invert emulsion filter cake. The method may include the steps of circulating a breaker fluid into the wellbore, where... Agent: Legal Dept.,IPGroup M-i L.L.C.

20080200355 - Aqueous solution for managing microbes in oil and gas production and method for their production: This invention relates to compositions for the management and treatment of water used for the production of oil and gas products comprising an electro-chemically activated, cation or anion-containing aqueous solution (catholyte or anolyte), and to a system and process for their production. A plant is described for treating water used... Agent: Mchale & Slavin, P.A.

20080194427 - Treatment fluids comprising diutan and associated methods: Methods are provided that include a method comprising providing a acidic treatment fluid that comprises a base fluid, an acid composition, and a gelling agent that comprises clarified diutan; and introducing the acidic treatment fluid into at least a portion of a subterranean formation. In some embodiments, the acidic treatment... Agent: Robert A. Kent

20080194428 - Treatment fluids comprising diutan and associated methods: Methods are provided that include a method comprising providing a treatment fluid comprising a base fluid and a gelling agent that comprises a clarified diutan; and introducing the treatment fluid into at least a portion of a subterranean formation. In some embodiments, the treatment fluid may be placed into at... Agent: Robert A. Kent

20080194429 - Process for minimizing breaking of emulsion type drilling fluid systems, emulsion type drilling fluid systems, and spotting fluids: A process for minimizing breaking of an emulsion type drilling fluid system comprising one or more fibrous lost circulation material, the process comprising: determining the water retention value of one or more candidate fibrous lost circulation materials; and, formulating the emulsion type drilling fluid system to comprise fibrous lost circulation... Agent: Paula D. Morris The Morris Law Firm, P.c.

20080194430 - Treatment fluids comprising diutan and associated methods: Treatment fluids are provided that include a treatment fluid comprising a base fluid and a gelling agent that comprises clarified diutan. In some embodiments, the treatment fluid is a subterranean treatment fluid. In some embodiments, the treatment fluid is a subterranean treatment fluid comprising a base fluid, a gelling agent... Agent: Robert A. Kent

20080194431 - Crosslinked polymer solutions and methods of use: A well treatment composition is formed from an aqueous crosslinkable hydrated polymer solution. Combined with the polymer solution is a solid boric acid or borate crosslinking agent and a solid metal oxide or metal hydroxide pH buffering agent that has limited solubility (less than 100 kg/m3 at 20° C.) within... Agent: Schlumberger Technology Corporation David Cate

20080194432 - Method for breaking the viscosity of polymer-thickened aqueous systems for mineral oil and natural gas exploration: A novel method for breaking the viscosity of an aqueous phase thickened with preferably hydrophilic polymers in the exploration and production of mineral oil and/or natural gas is proposed. For this purpose, the breaking is carried out via the formation of a low-viscosity emulsion, with water as the continuous phase,... Agent: Fulbright & Jaworski, LLP

20080194433 - Method for viscosifying invert emulsion drilling fluids: An invert emulsion drilling fluid including an oleaginous fluid, wherein the oleaginous fluid is the continuous external phase of the drilling fluid; a non-oleaginous fluid, wherein the non-oleaginous fluid is the discontinuous internal aqueous phase of the drilling fluid containing water and at least one organic or inorganic salt dissolved... Agent: Legal Dept., Ip Group M-i L.l.c.

20080194434 - Use of aqueous dispersions for tertiary mineral oil production: Use of water-soluble polymers for tertiary mineral oil production by introducing the polymer into a mineral oil deposit, in which the water-soluble polymers are used in the form of a dispersion of the water-soluble polymer and at least one water-soluble, polymeric stabilizer.... Agent: Connolly Bove Lodge & Hutz, LLP

20080194435 - Surfactant mixtures for tertiary oil recovery: e

20080194436 - Methods for using reversible phase oil-based drilling fluid: Invert emulsion compositions including an oleaginous, a non-oleaginous and an amine surfactant that are useful in the oil and gas well drilling art are disclosed. The amine surfactant is selected so that the invert emulsion can be converted form a water-inoil type emulsion to a oil-in-water type emulsion upon the... Agent: Howrey Simon Arnold & White LLP

20080188382 - Compositions for drilling fluids useful to provide flat temperature rheology to such fluids over a wide temperature range, and drilling fluids containing such compositions: The invention is of oil-based drilling fluids including invert emulsion fluids that are able to maintain a relatively consistent rheological profile over a wide temperature range. The invention also includes new additives that enable the preparation of drilling fluids with viscosities that are less affected by temperature over a temperature... Agent: Morgan, Lewis & Bockius LLP