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Earth boring, well treating, and oil field chemistry April category patent applications 04/08Below 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. 04/24/2008 > patent applications in patent subcategories. category patent applications
20080096772 - Asphaltene inhibition: The present invention provides a method of asphaltene control in a hydrocarbon fluid, the method employing a composition comprising: a dispersant of formulae (I) or (II), including salts thereof, wherein T or T′ is hydrogen or a polymerizing terminating group; A is C16-20 alkylene or alkenylene group; B is C10-20... Agent: The Lubrizol Corporation Attn: Docket Clerk, Patent Dept.
20080096773 - In-situ solidification of invert emulsion fluids to form gas tight annular barrier: A method for sealing a subterranean zone is disclosed. The method includes the steps of preparing a wellbore fluid, placing the wellbore fluid into at least a portion of an annular space between the sidewalls of a wellbore and the exterior of a casing string disposed in the wellbore, and... Agent: Osha Liang/mi
20080096774 - Method of treating underground formations or cavities by microgels: The present invention relates to a method of treating porous and permeable underground formations or cavities of reservoir rock or sand foundation type. The method consists in injecting a liquid composition comprising microgels into the formations in order to reduce the production of water, gas or sands, and/or for zone... Agent: Antonelli, Terry, Stout & Kraus, LLP04/17/2008 > patent applications in patent subcategories. category patent applications
04/10/2008 > patent applications in patent subcategories. category patent applications
20080085841 - Canola meal drilling fluid additive: A drilling fluid additive comprised of ground canola meal that decreases seepage loss and fluid loss of the fluid to permeable formations. The canola meal is ground to particle sizes between about 10 and 1250 microns, in particular, between about 100 to 1000 microns. This product can be added to... Agent: Mayback & Hoffman, P.a.
20080085842 - Methods for producing a guar gum comprising undehusked guar and for using the guar gum in treating a subterranean formation: A method is provided for producing a guar gum powder, the method comprising the steps of: (a) flaking undehusked guar splits; and (b) grinding the flaked, undehusked guar splits to obtain guar gum powder. According to another aspect of the invention, a method is provided for treating a subterranean formation... Agent: Robert A. Kent
20080085843 - Well treating compositions containing water-superabsorbent polymers and method of using the same: A well treating composition containing a polysaccharide-based water-superabsorbent material has particularly applicability as a thermal insulating, fracturing or acid stimulation fluid. The water-superabsorbent material is capable of absorbing, at a minimum, its own weight. Particularly effective are biodegradable materials containing guar gum and carrageenan. The composition may further contain a... Agent: Jones & Smith , LLP
20080085844 - Method and composition for recovering hydrocarbon fluids from a subterranean reservoir: A method of modifying the permeability to water of a subterranean formation comprising injecting into the subterranean formation an aqueous composition comprising from about 0.005 percent to about 2 percent, by weight, of an alkyl or an alkylene oxide branched polyhydroxyetheramine or a salt thereof, wherein the fatty alkyl or... Agent: Michael B. Martin Patent & Licensing Department04/03/2008 > patent applications in patent subcategories. category patent applications
20080081771 - Foaming agent for subterranean formations treatment, and methods of use thereof: wherein R is a linear alkyl, branched alkyl, alkyl cycloaliphatic, or alkyl aryl group; O is an oxygen atom; Y is either a sulfur or phosphorus atom; m is 1 or more; n is a integer ranging from 1 to 3; p is a integer ranging from 1 to 4;... Agent: Schlumberger Technology Corporation David CatePrevious 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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