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Earth boring, well treating, and oil field chemistry August inventions list 08/10Below 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. 08/26/2010 > patent applications in patent subcategories. inventions list
20100216670 - Water-based fluid for preventing the formation of w/o emulsions or for resolving w/o emulsions already formed in porous matrices: The invention relates to a water-based fluid for applications in the oil field, comprising non-ionic surfactants, stable at temperatures ranging from 10 to 90° C., having an HLB ranging from 8 to 20 and soluble in water, with a saline content ranging from 0 to 60% by weight, and possibly... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20100216671 - Microemulsions to convert obm filter cakes to wbm filter cakes having filtration control: Single phase microemulsions improve the removal of filter cakes formed during drilling with oil-based muds (OBMs). The single phase microemulsion removes oil and solids from the deposited filter cake. Optionally, an acid capable of solubilizing the filter cake bridging particles may also be used with the microemulsion. In one non-limiting... Agent: Mossman, Kumar And Tyler, PC
20100216672 - Treatment fluids comprising relative permeability modifiers and methods of use: Treatment fluids for and methods of treating subterranean formations are provided. In certain embodiments, a method is provided comprising providing a treatment fluid comprising a relative permeability modifier, a delayed filter cake breaker, and a carrier fluid, contacting at least a portion of a filter cake in a subterranean formation... Agent: Robert A. Kent
20100216673 - 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
20100216674 - Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid: There is a viscoelastic fluid. The fluid has one or more cationic surfactants selected from the group consisting of certain quaternary salts, certain amines, and combinations thereof; one or more anionic polymers/anionic surfactants; one or more of certain zwitterionic/amphoteric surfactants; and water. There is also a method of fracturing a... Agent: Ohlandt, Greeley, Ruggiero & Perle, LLP08/19/2010 > patent applications in patent subcategories. inventions list
20100210481 - Drilling fluids with redispersible polymer powders: A drilling fluid has a redispersible polymer powder introduced as a water dispersion that is capable of providing a deformable latex film on at least a portion of a subterranean sand formation and which inhibits or controls fluid loss and acts as a sealing agent when used to drill in... Agent: Mossman, Kumar And Tyler, PC
20100210480 - Use of invert epoxy emulsions for wellbore stabilization: An invert emulsion wellbore fluid, including: a continuous oleaginous phase; a discontinuous non-oleaginous phase; a stabilizing agent; an oil-immiscible epoxy-based resin; and a hardening agent; wherein the wellbore fluid is a stable emulsion having a viscosity greater than 200 cps. In some embodiments, the hardening agent is an oil-miscible hardening... Agent: Osha Liang/mi
20100210482 - Wellbore servicing fluids comprising cationic polymers and methods of using same: A method comprising placing a wellbore servicing fluid comprising a cationic polymer into wellbore wherein the cationic polymer has a molecular weight of from about 300,000 Daltons to about 10,000,000 Daltons. A composition comprising a wellbore servicing fluid, a cationic polymer, and a brine.... Agent: Chevron Phillips Chemical Company
20100210483 - Process for the removal of filtercakes in oil wells: Process for the solubilization of polymeric material deposited on a porous medium, which comprises putting said polymeric material in contact with an aqueous composition comprising: (a) a catalyst selected from: (a1) a complex having general formula (I), Fe++(L)n(Y)s, L being a binder selected from those having general formula (II), wherein... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20100210484 - Clay control additive for wellbore fluids: A clay stabilizer which is capable of inhibiting swelling in a wide variety of clay types and is also capable of restoring permeability in formations which have previously been damaged by clay swelling. Amine salts of differing molecular weights configurations and ionic strength are combined to provide transport into micropores,... Agent: Sean W. Goodwin
20100210486 - Methods and compositions for preventing high density well completion fluid loss: A method of reducing fluid loss from a wellbore that includes emplacing a fluid loss pill in the wellbore, the fluid loss pill comprising: a base fluid; a hydratable or solvatable synthetic copolymer having at least one crosslinkable comonomer; and a crosslinking agent is disclosed.... Agent: Osha Liang/mi
20100210485 - Oil formulation for preventing water penetration in underground formations: The present invention relates to the use of an oil formulation in the field of the oil industry, in particular for the prevention of water penetration. The formulation according to the invention is in particular intended to be injected into underground formations, such as injection wells or production wells.... Agent: Hunton & Williams LLP Intellectual Property Department08/12/2010 > patent applications in patent subcategories. inventions list
20100204066 - Water absorbing polymers for treatment of brines and water-based drilling fluids: A method for removing water from a wellbore fluid is disclosed. The method may include the steps of contacting a wellbore fluid with a water absorbing polymer, where the wellbore fluid includes an aqueous fluid, allowing the water absorbing polymer to interact with the wellbore fluid for a sufficient period... Agent: Osha Liang/mi
20100204067 - Drilling fluid additive and method for improving lubricity or increasing rate of penetration in a drilling operation: The present invention relates to a drilling fluid additive for improving lubricity or rate of penetration (ROP) in a drilling operation, such as an oil and gas drilling operation. The additive comprises particles of wax or waxy substance, or a mixture of two or more types of said particles having... Agent: Diederiks & Whitelaw, PLC
20100204068 - Methods for controlling depolymerization of polymer compositions: A method of controlling or arresting the rate of depolymerization of a polymer composition during a biocide treatment by controlling the pH of the composition, and use of such methods in oilfield applications.... Agent: Rhodia, Inc.
20100204069 - Method of stimulating subterranean formation using low ph fluid: 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 hydroxylated glycine as crosslinking delaying agent. The fluid is characterized by... Agent: Jones & Smith , LLP
20100204070 - Low density composite propping agents: Composite propping agents of low density and of high mechanical strength are based on a thermoplastic polymer matrix, in particular having low compressive deformation at high temperatures are especially useful in the field of well fracturing for the recovery of sludges, liquids and gases present in underground reservoirs, and in... Agent: Buchanan, Ingersoll & Rooney PC
20100204071 - Aqueous particulate slurry compositions and methods of making same: A sand slurry composition and a method for making sand slurries are disclosed. The sand slurry composition is comprised of sand, an aqueous liquid and a chemical compound that renders the surface sand of hydrophobic. The method is comprised of rendering sand surface hydrophobic during or before making the slurry.... Agent: Bradley Arant Boult Cummings LLP Intellectual Property Department08/05/2010 > patent applications in patent subcategories. inventions list
20100197526 - Method for making particulate slurries and particulate slurry compositions: An aqueous slurry composition for use in industries such as the petroleum and pipeline industries includes a particulate, an aqueous liquid and a chemical compound that renders the particulate surface extremely hydrophobic. The slurry is produced by rendering the surface of the particulate extremely hydrophobic during or before making the... Agent: Dunlap Codding, P.C.
20100197527 - Methods and compositions relating to the hydrolysis of water-hydrolysable materials: Treatments fluids relating to the hydrolysis of water-hydrolysable materials are provided. In one embodiment, provided is a treatment fluid that comprises an aqueous liquid, a water-miscible solvent, and a water-hydrolysable material. Also provided is a hydrolysis retarder composition that comprises an aqueous liquid and a water-miscible solvent.... Agent: Robert A. Kent
20100197528 - Degradable gels in zonal isolation applications: A method of treating a formation that includes emplacing an oxidizing breaker fluid into a region of the formation occupied by a gel; and allowing sufficient time for the oxidizing breaker fluid to degrade the gel is disclosed.... Agent: Osha Liang/mi
20100197529 - Process for enhanced oil recovery: Method for enhanced oil recovery consisting in introducing into the injection water a solution containing at least one polymer and at least one surfactant, the surfactant/polymer weight ratio being between 1 and 10 and the surfactant concentration in the solution being higher than 100 ppm (parts per million), characterized in... Agent: Darby & Darby P.C.
20100197530 - Oil field treatment fluids with viscosified brines: The present disclosure is directed to a method comprising introducing into a well bore a fluid comprising a zwitterionic polymer. The polymer is prepared by inverse emulsion polymerization of at least one monomer Ab comprising a betaine group and optionally one or more nonionic monomers Ba. The well bore is... Agent: Zarian Midgley & Johnson PLLC
20100197531 - Use of oil-soluble surfactants as breaker enhancers for ves-gelled fluids: Fluids viscosified with viscoelastic surfactants (VESs) may have their viscosities reduced (gels broken) by the direct or indirect action of an internal breaker composition that contains at least one mineral oil, at least one polyalphaolefin oil, at least one saturated fatty acid and/or at least one unsaturated fatty acid. The... Agent: Mossman, Kumar And Tyler, PC
20100197532 - Method of making proppant used in gas or oil extraction: Method and system for making a spherical proppant having a selected grade from a naturally occurring mined mineral having a hardness of over 6.0 Mohs. The method and system involves preprocessing the mineral mechanically into a semi-dry feedstock comprising a mass of particles with initial sphericity values generally less than... Agent: Rankin, Hill & Clark LLPPrevious industry: Superconductor technology: apparatus, material, process
Next industry: Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
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