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Earth boring, well treating, and oil field chemistry May archived listing by USPTO class 05/07Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 05/31/2007 > patent applications in patent subcategories. archived listing by USPTO class
20070123428 - Process for the continuous production of magnesium diboride based superconductors: wherein Z is S, SO, or SO2, can have a range of equilibrium and/or dynamic surface tensions and a range of foaming performance attributes, depending upon the particular values of Z, R, R1, and R2. The compounds of formula (I) may be prepared by a process that includes reaction of... Agent: Air Products And Chemicals, Inc. Patent Department
20070123429 - Recyclable foamed fracturing fluids and methods of using the same: Fracturing fluids and methods of fracturing a subterranean formation using such fluids are provided. A fracturing fluid having a first pH is foamed by introducing a gas to the fluid. The fracturing fluid comprises a surfactant that facilitates formation of the foam at the first pH. The foamed fracturing fluid... Agent: Halliburton Energy Services, Inc.
20070123430 - Well fluid comprising a fluorinated liquid phase: The present invention relates to a well drilling, completion or workover fluid wherein the continuous phase of the fluid essentially consists of a liquid fluorinated compound. In a variant, the liquid fluorinated compound is a perfluorinated compound.... Agent: Antonelli, Terry, Stout & Kraus, LLP
20070123432 - Compositions and methods for producing guar gum and for using the guar gum in treating a subterranean formation: The invention provides a method for producing guar gum, the method comprising the steps of: (a) sizing husk from guar seed into larger pieces and smaller pieces, (b) washing the larger pieces, (c) soaking the larger pieces, and (d) flaking the larger pieces to obtain guar gum. The invention also... Agent: Halliburton Energy Services, Inc.
20070123431 - Polymer hydration method using microemulsions: Long-chained polymer compounds are useful to viscosify aqueous brine fluids so that they can function as drilling fluids, completion/workover fluids, fracturing fluids, agricultural products, cleaning compounds, etc. These polymers may be hydrated with a microemulsion or lactescent emulsion prior to being added to the target fluid. The rate and completeness... Agent: Madan, Mossman & Sriram, P.C.
20070123433 - Treatment fluids and methods using zeolite and a delayed release acid for treating a subterranean formation: The invention provides a treatment fluid for treating a subterranean formation penetrated by a wellbore, the treatment fluid comprising: (i) an aqueous carrier fluid; (ii) a zeolite; (iii) a polymeric gelling material; and (iv) a delayed release acid. The invention also provides a method for treating a subterranean formation penetrated... Agent: Hilliburton Energy Services, Inc.
20070123434 - Foamed cement compositions and associated methods of use: A method is provided for reducing the density of a well cement composition for cementing in a subterranean formation. The method comprises providing a cement composition that comprises water and a cement, and then adding an additive comprising an anionic foam stabilizer and an anionic foaming agent or a Zwitterionic... Agent: Craig W. Roddy05/24/2007 > patent applications in patent subcategories. archived listing by USPTO class
20070117723 - Breaker composition and process: A process for reducing the viscosity of fracturing fluids in downhole oilfield operations is provided. The process comprises contacting a sulfamate stabilized, bromine-based breaker with an aqueous polysaccharide fracturing fluid, with the breaker present in an amount to reduce the viscosity of the fracturing fluid. A composition which comprises a... Agent: Albemarle Corporation05/17/2007 > patent applications in patent subcategories. archived listing by USPTO class
20070111895 - Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations: Methods of controlling shale swelling in a subterranean formation comprising introducing a treatment fluid into the subterranean formation, wherein the treatment fluid comprises a base fluid and a polyoxazoline composition. Subterranean treatment fluids comprising a base fluid and a polyoxazoline composition. Other methods and compositions are also provided.... Agent: Craig W. Roddy
20070111896 - Viscoelastic cationic carbohydrate ether compositions: A viscoelastic composition containing an effective amount of at least one cationic carbohydrate ether having one or more cationic fragments and one or more carbohydrate fragments connected through one or more linker fragments for controlling the viscoelasticity of the composition, wherein at least some carbohydrate fragments are connected to the... Agent: Mcandrews Held & Malloy, Ltd
20070111897 - Composition and method for thickening heavy aqueous brines: A process of preparing a well servicing fluid comprising viscosifying a heavy brine by contacting with a cationic polysaccharide and a composition thereof.... Agent: Mialeeka Williams Rhodia Inc.
20070111898 - Methods and compositions for treating subterranean zones: Methods and compositions for breaking treatment fluids utilized in the stimulation of a subterranean formation.... Agent: Halliburton Energy Services, Inc.
20070111899 - Pre-engineered pills for the improvement of drilling muds: The invention relates to the use of pre-engineered pills for use with drilling mud. By introducing pills of ground elastomer into the well, the pills can improve the lubricity of the mud as well as aiding in wellbore cleaning, prevention of bit balling and reduction of fluid loss to thief... Agent: Fulbright & Jaworski L.L.P. Fulbright Tower
20070111901 - Method of servicing a wellbore with a sealant composition comprising solid latex: A method of servicing a wellbore comprising placing a sealant composition comprising solid latex into the wellbore.... Agent: Craig W. Roddy Halliburton Energy Services
20070111900 - Sealant compositions comprising solid latex: A wellbore sealant composition comprising solid latex.... Agent: Craig W. Roddy Halliburton Energy Services
20070111902 - 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-in-oil type emulsion to a oil-in-water type emulsion upon the... Agent: Carter J. White Legal Department M-i L.L.C.
20070111903 - Separatory and emulsion breaking processes: The invention pertains to the use of a class of acetylenic surfactants to resolve or break water and oil emulsions. The surfactants are of particular advantage in resolving crude oil emulsions of the type encountered in desalter and similar apparatus designed to extract brines from the crude as they partition... Agent: Wegman, Hessler & Vanderburg05/10/2007 > patent applications in patent subcategories. archived listing by USPTO class
20070105723 - Shale inhibition: A method of shale inhibition comprises adding a two-phase polymer system of a water soluble copolymer of vinyl pyrrolidone and dimethylaminopropyl methacrylamide and in-situ formed water-insoluble particles of said copolymer, or, alternatively, a water-soluble copolymer of methylvinyl ether and maleic anhydride, into a drilling well fluid under aqueous, high temperature,... Agent: International Specialty Products William J. Davis, Esq.
20070105724 - Method of using a sized barite as a weighting agent for drilling fluids: An additive that increases the density of fluids containing a sized barite weighting agent. The wellbore fluid has rheological properties comparable to conventional wellbore fluids but does not exhibit problems with sag and resulting variations in density. An illustrative embodiment is directed to a method for making the sized barite... Agent: Carter J. White Legal Department M-i L.L.C.
20070105725 - Method of drilling using a sized barite as a weighting agent for drilling fluids: An additive that increases the density of fluids used in a wellbore during the construction or repair of oil, gas, injection, water, or geothermal wells comprises In one illustrative embodiment the additive comprises a weighting agent, and more preferably an ultra-fine weighting agent. Another embodiment includes a wellbore fluid containing... Agent: Carter J. White Legal Department M-i L.L.C.05/03/2007 > patent applications in patent subcategories. archived listing by USPTO class
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