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Earth boring, well treating, and oil field chemistry May archived by USPTO category 05/12

20120135894 - Methods and compositions for determination of fracture geometry in subterranean formations: Disclosed herein is a method comprising disposing in a formation fracture, a proppant and/or a fracturing fluid that comprises a radiation susceptible material that comprises indium and/or vanadium; irradiating the radiation susceptible material with neutrons; measuring gamma-radiation emitted from the radiation susceptible material in a single pass; wherein the single... Agent: Momentive Specialty Chemicals Inc.

20120135895 - Compositions and methods relating to the stabilization of hydrophobically modified hydrophilic polymer treatment fluids under alkaline conditions: The present invention relates to methods and compositions for treating a water- and hydrocarbon-producing subterranean formation with a relative permeability modifier, and more specifically, to improved treatment fluids, methods for preparing treatment fluids, and methods for use thereof in a subterranean formation. Methods of the present invention comprise providing a... Agent: Halliburton Energy Services, Inc.

20120135896 - 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: Baker Hughes Incorporated

20120129733 - Systems and methods for processing glycerol: Systems and methods for processing glycerol into one or more useful products are provided. The method can include decreasing a pH of a mixture comprising glycerol and fatty acids to produce an emulsion comprising a glycerol-rich portion and a fatty acids-rich portion. At least a portion of the glycerol-rich portion... Agent: Envirosource, Inc.

20120129734 - Use of hydrophobically associated copolymer as an additive in specific oilfield applications: s

20120129735 - Non-aqueous drilling additive useful to produce a flat temperature-rheology profile: A method of providing a substantially constant equivalent circulating density of a drilling fluid over a temperature range of about 120° F. to about 40° F. includes adding a drilling fluid additive to the drilling fluid, wherein the drilling fluid additive includes the reaction product of a carboxylic acid with... Agent: Elementis Specialties, Inc.

20120129736 - Highly oxidized graphene oxide and methods for production thereof: A highly oxidized form of graphene oxide and methods for production thereof are described in various embodiments of the present disclosure. In general, the methods include mixing a graphite source with a solution containing at least one oxidant and at least one protecting agent and then oxidizing the graphite source... Agent: William Marsh Rice University

20120129737 - Heterogeneous proppant placement in a fracture with removable channelant fill: A method of heterogeneous proppant placement in a subterranean fracture is disclosed. The method comprises injecting well treatment fluid including proppant and a channelant through a wellbore into the fracture, heterogeneously placing the proppant in the fracture in a plurality of proppant clusters or islands spaced apart by the channelant,... Agent: Schlumberger Technology Corporation

20120129738 - Oil field treatment fluids comprising zwitterionic betaine-group-containing polymers: The present disclosure is directed to a method comprising: mixing (i) a zwitterionic polymer prepared by inverse emulsion polymerization of at least one monomer Ab comprising a betaine group and optionally one or more nonionic monomers Ba, (ii) a surfactant and (iii) produced water to form a well servicing fluid.... Agent:

20120129739 - Water-soluble, hydrophobic associating copolymers: Water-soluble, hydrophobically associating copolymer comprising a monoethylenically unsaturated, water-soluble, surface-active monomer (a), and a monoethylenically unsaturated, hydrophilic monomer (b) different from monomer (a). The copolymer is prepared in the presence of a nonpolymerizable surfactant and has marked thickening properties in aqueous systems.... Agent:

20120122738 - Method for preparing a gelling and viscosifying agent for drilling mud and the product thereof: A method for preparing lignin graft copolymer comprising: reacting lignocellulosic materials with an acrylic compound by bulk condensation under nitrogen atmosphere in the presence of a non-oxidizing strong organic acid as catalyst; separating the reaction mixture to obtain a solid phase mainly containing lignocellulosic materials and a liquid phase containing... Agent:

20120122739 - Viscosifying polymers and methods of use: Fluids for use within a wellbore are provided, comprising amorphous polyalphaolefins and/or amorphous polyisobutylene in an oil-based hydrocarbon solvent. Novel properties of such fluids are described, and the fluids may be used, for example, during drilling or fracturing operations.... Agent:

20120122740 - Heavy oil recovery process using extremophile anaerobic indigenous microorganisms: A process for increasing recovery of heavy oil with an API gravity equal to or greater than 10, contained in carbonate and/or sandstone porous media using extremophile (thermophilic, halotolerant and barotolerant) anaerobic indigenous microorganisms. The process involves nutrient injection to stimulate activity of extremophile anaerobic indigenous microorganisms at the well... Agent: Instituto Mexicano Del Petroleo

20120122741 - Scale inhibiting particulates: Scale inhibiting particulates formed from a mixture of fly ash and a phosphonic acid curing agent; wherein the fly ash is cured into a solid material by the contact with the phosphonic acid curing agent. The mixture may also contain a multivalent ion and the particulates may be coated with... Agent:

20120115758 - Methods using formate gels to condition a pipeline or portion thereof: A gelled composition for pipeline, flowline, pipeline jumper or flowline jumper dewatering or preventing ingress of seawater into open pipeline systems or components during tie-in operations of jumpers or additional pipe, valving, manifolds, subsea pipeline architecture or flow conduits operations is disclosed, where the composition includes a concentrated metal formate... Agent: Weatherford/lamb, Inc.

20120115759 - Treatment fluids containing a boron trifluoride complex and methods for use thereof: Treatment fluids for use in subterranean formations, particularly sandstone and other siliceous formations, may contain a source of fluoride ions to aid in mineral dissolution. In some cases, it may be desirable to generate the fluoride ions from a fluoride ion precursor, particularly a hydrofluoric acid precursor, such as a... Agent: Halliburton Energy Services, Inc.

20120108471 - Volcanic ash-based drilling mud to overcome drilling challenges: Drilling mud compositions and related methods are provided as embodiments of the present invention. The drilling mud compositions are water-based and contain volcanic ash. The compositions and methods of the present invention provide improved properties relative to tolerance of high salt content, cement, lime, and temperatures.... Agent: Saudi Arabian Oil Company

20120108472 - Thermoplastic cellulosic fiber blends as lost circulation materials: A method is disclosed for reducing lost circulation in drilling wells, employing composite materials as lost circulation materials. The composites comprise a thermoplastic polymer and cellulosic fibers. Optionally the composites may include other components such as calcium carbonate, clay, oil and other blending agents.... Agent:

20120108473 - Process for treatment of produced water obtained from an enhanced oil recovery process using polymers: m