Earth boring, well treating, and oil field chemistry inventions 12/07

20070298976 - Surfactant materials and coatings for weighting agents for use in oil based drilling fluids: A wellbore fluid that includes an oleaginous continuous phase; a non-oleaginous phase; and a polymeric additive formed by mixing at least one lipophilic monomer and at least one crosslinking agent, wherein the at least one lipophilic monomer is at least one of an epoxide-functionalized derivative of at least one selected... Agent: Osha Liang/mi

20070298977 - Degradable particulate generation and associated methods: Herein provided are methods for producing degradable particulates at a drill site, and methods related to the use of such degradable particulates in subterranean applications. In one embodiment, the present invention provides a method comprising: providing a treatment fluid, the treatment fluid comprising degradable particulates, the degradable particulates having been... Agent: Robert A. Kent

20070298978 - Compositions and methods for controlling fluid loss: Alkaline earth metal compounds may be fluid loss control (FLC) agents for viscoelastic surfactant (VES) fluids used for fluid loss control pills, lost circulation material pills and kill pills in hydrocarbon recovery operations. The FLC agents may include, but not be limited to oxides and hydroxides of alkaline earth metal,... Agent: Madan, Mossman & Sriram, P.C.

20070298979 - Composition for denaturing and breaking down friction-reducing polymer and for destroying other oil well contaminants: A composition and method for breaking down and denaturing friction-reducing compound introduced into the ground during the drilling of oil wells and for destroying other contaminants and biohazards naturally present within and artificially introduced into oil wells, which are formed as a result of the drilling and pumping processes. The... Agent: Malin Haley And Dimaggio, Pa

20070293402 - Highly branched polymeric materials as coating on weighting agents: A wellbore fluid having at least two phases, the wellbore fluid including a fluid phase; and a solid phase including a powdered solid material coated with a polymer, wherein the polymer is the reaction product of a polyesteramide and a crosslinking agent is disclosed.... Agent: Osha Liang/mi

20070293401 - Highly branched polymeric materials as surfactants for oil-based muds: A wellbore fluid that includes an oleaginous continuous phase; a non-oleaginous phase; and a modified polyesteramide surfactant; methods of formulating such wellbore fluid; and methods of drilling a subterranean formation with such wellbore fluid are disclosed.... Agent: Osha Liang/mi

20070293403 - Chemical wash compositions for removing drilling fluids: Chemical wash compositions comprising a sulfonated lignin and a taurate are provided. In one embodiment, a chemical wash composition is provided comprising water, a sulfonated lignin, and a taurate.... Agent: Craig W. Roddy Halliburton Energy Services

20070293404 - Subterranean treatment methods using methanol containing foams: Methods using foamed fluids to perform subterranean formation treatments, the fluid containing methanol having a decreased concentration of gelling agent, while retaining excellent rheological properties in the foamed state, and processes for preparing foamed fluid for use in treating subterranean formations.... Agent: Schlumberger Technology Corporation David Cate

20070287636 - Drilling fluid additive and base fluid compositions of matter containing b100 biodiesels; and applications of such compositions of matter in well drilling, completion, and workover operations: A drilling fluid compound, for use as an additive in a water-based drilling mud system, comprises a neat (B100) biodiesel liquid at a concentration of at least 5% by volume, and is useful in downhole applications such as lubrication, spotting, shale inhibition, fluid loss control, and rate of penetration enhancement.... Agent: Daniel H. Golub

20070287637 - Additive for increasing the density of an oil-based fluid and fluid comprising such additive: A wellbore fluid having an oleaginous phase and an additive for increasing the density of the wellbore fluid. The additive comprises solid colloidal particles coated with a dispersant coated onto the colloidal particle during the comminution process of forming the particles. Exemplary starting materials for the colloidal particles include commonly... Agent: Howrey Simon Arnold & White LLP

20070287638 - Use of dicarbonyl compounds for increasing the thermal stability of biopolymers in the field of oil and gas exploration: The use of dicarbonyl compounds for increasing the thermal stability of biopolymers in aqueous liquid phases in petroleum and natural gas exploration is claimed. The biopolymer component preferably comprises polysaccharides prepared by fermentation, such as, for example, scleroglucan or welan gum. The aqueous liquid phase is typically a drilling fluid... Agent: Fulbright & Jaworski, LLP

20070287639 - Sealant compositions comprising colloidally stabilized latex and methods of using the same: Sealant compositions comprising a colloidally stabilized latex and methods of using the same to service a wellbore are provided. The sealant compositions may include: an aliphatic conjugated diene monomer; an additional monomer comprising a non-aromatic unsaturated mono- or di-carboxylic ester monomer, an aromatic unsaturated monomer, a nitrogen-containing monomer, or combinations... Agent: Craig W. Roddy Halliburton Energy Services

20070287640 - Hydrophobically modified fluid loss additives and viscosifier products: A wellbore fluid that includes an oleagninous continuous phase; a non-oleaginous phase; and a polymeric additive formed by reaction of at least one lipophilic epoxy modifier and at least one epoxide-reactive agent, wherein the at least one epoxide-reactive agent comprises at least one selected from lignins, tannins, biopolymers, starches, carboxy... Agent: Osha Liang/mi

20070287641 - Acidic treatment fluids and associated methods: Treatment fluids that comprise a phosphorus component useful for inhibiting metal corrosion in acidic environments and associated methods of use are provided. An example of a method of using such treatment fluids may comprise providing a treatment fluid that comprises: an aqueous base fluid, a weak acid or salt thereof,... Agent: Halliburton Energy Services, Inc.

20070281866 - Aloe derived scale inhibitor: A method is provided for inhibiting scale in a liquid hydrocarbon system, including the steps of: providing a liquid hydrocarbon system; providing an aloe-derived scale inhibitor; and mixing the aloe-derived scale inhibitor with the liquid hydrocarbon system in amounts effective to inhibit formation of scale. The scale inhibitor is aloe... Agent: Bachman & Lapointe, P.C.

20070281867 - Increased rate of penetration from low rheology wellbore fluids: A method of increasing a rate of penetration when drilling as compared to drilling with a baseline drilling fluid comprising an API-grade barite weighting agent and having a given sag, settling rate, density, flow rate, and pressure drop through a wellbore, comprising: circulating a drilling fluid comprising a base fluid... Agent: Osha Liang/mi

20070281868 - Acidic treatment fluids comprising xanthan and associated methods: Acidic treatment fluids used in industrial and/or subterranean operations, and more particularly, acidic treatment fluids comprising clarified xanthan gelling agents, and methods of use in industrial and/or subterranean operations, are provided. In one embodiment, the acidic treatment fluids comprise an aqueous base fluid, an acid, and a gelling agent comprising... Agent: Robert A. Kent

20070281869 - Thermoviscoelastic system fluid and well treatment method: A thermoviscoelastic system (TVE) fluid useful in a well treatment method can include a hydrophobically-modified polymer and a viscoelastic surfactant (VES) in an aqueous medium, wherein the polymer has a lower critical solution temperature (LCST). The polymer can have water solubility for preparation below the LCST, and the TVE has... Agent: Schlumberger Technology Corporation David Cate

20070281870 - Stimuli-degradable gels: t

20070281871 - Self-hydrating, self-crosslinking guar compositions and methods: A self-hydrating, self-crosslinking dry composition is used to prepare a hydrated, crosslinked fracturing fluid upon addition of water, the composition comprising (A) guar powder or a guar derivative powder; (B) crosslinker selected from the group consisting of boric acid, borax, borate ore, boron ore, antimony compounds, aluminum compounds, zirconium compounds,... Agent: Mialeeka Williams Rhodia Inc.