Earth boring, well treating, and oil field chemistry inventions 01/09

20090029878 - Drilling fluid, drill-in fluid, completition fluid, and workover fluid additive compositions containing thermoset nanocomposite particles; and applications for fluid loss control and wellbore strengthening: In one aspect, this invention relates to the use of thermoset nanocomposite particles as components of drilling fluid, drill-in fluid, completion fluid, and workover fluid additive packages to reduce fluid losses to a formation and/or to enhance a wellbore strength. In another aspect, this invention relates to the use particles... Agent: Morgan, Lewis & Bockius LLP

20090029879 - Process for enhanced oil recovery using a microbial consortium: A process and related apparatus for enhancing the oil recovery from an oil well are described. An embodiment of the process generally includes selection of a candidate reservoir; collecting oil formation water samples under anaerobic conditions; selecting media and enriching the microbes derived from the formation water; characterizing and identifying... Agent: Conley Rose, P.c. David A. Rose

20090029880 - Composition containing lonic liquid clay stabilizers and/or shale inhibitors and method of using the same: An ionic liquid may be used to inhibit the swelling and/or disintegration of clay in a subterranean formation. A subterranean clay-containing formation may be treated with the ionic liquid by contacting the formation with a well treatment composition containing the ionic liquid dispersed or dissolved in a carrier fluid. Damage... Agent: Jones & Smith , LLP

20090023612 - Generation of materials with enhanced hydrogen content from anaerobic microbial consortia: A microbial consortia for biogenically increasing the hydrogen content of a carbonaceous source material, where the consortia includes a first microbial consortium to metabolize the carbonaceous source material into one or more first intermediate hydrocarbons, a second microbial consortium, which includes one or more species of Pseudomonas microorganisms, to convert... Agent: Townsend And Townsend And Crew, LLP

20090023611 - Generation of materials with enhanced hydrogen content from microbial consortia including thermotoga: A microbial consortia for biogenically increasing the hydrogen content of a carbonaceous source material, where the consortia includes a first microbial consortium to metabolize the carbonaceous source material into one or more first intermediate hydrocarbons, a second microbial consortium, which includes one or more species of Thermotoga microorganisms, to convert... Agent: Townsend And Townsend And Crew, LLP

20090023613 - Polysaccharide treatment fluid and method of treating a subterranean formation: A treatment fluid for treating a subterranean formation penetrated by a wellbore is formed from an aqueous medium, a diutan heteropolysaccharide having a tetrasaccharide repeating unit in the polymer backbone and a peroxide breaker. A method of treating a subterranean formation penetrated by a wellbore may be carried out by... Agent: Schlumberger Technology Corporation David Cate

20090023614 - Polymer delivery in well treatment applications: This invention relates to compositions and methods for treating subterranean formations, in particular, oilfield stimulation compositions and methods using water-in-water polymer emulsions to uniformly dissolve a rheologically active polymer, such as a thickener or friction reducer, in the treatment fluid. The emulsions have a low viscosity and are easily pumped... Agent: Schlumberger Technology Corporation David Cate

20090023615 - Polymer delivery in well treatment applications: This invention relates to compositions and methods for treating subterranean formations, in particular, oilfield stimulation compositions and methods using water-in-water polymer emulsions to uniformly dissolve a rheologically active polymer, such as a thickener or friction reducer, in the treatment fluid. The emulsions have a low viscosity and are easily pumped... Agent: Schlumberger Technology Corporation David Cate

20090023616 - Aqueous fracturing fluid: The invention concerns an aqueous viscoelastic fracturing fluid for use in the recovery of hydrocarbons. According to the invention, the fluid comprises a cleavable viscoelastic surfactant and a hydrophobically-modified polymer, wherein the cleavable surfactant comprises a head group and a hydrophobic tail of at least 18 carbon atoms connected through... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20090023617 - Friction reducer performance by complexing multivalent ions in water: Embodiments relate to improving the performance of anionic friction reducing polymers in water containing multivalent ions. Exemplary embodiments relate to methods of improving the performance of anionic friction reducing polymers in a subterranean treatment, wherein the method comprises adding a complexing agent to water comprising multivalent ions. The method comprises... Agent: Robert A. Kent

20090023618 - Method for recovering crude oil from a subterranean formation: An aqueous fluid useful for the recovery of crude oil from a subterranean formation, including water and one or more organophosphorus materials and methods for using same.... Agent: Novak Druce + Quigg, LLP

20090018036 - Conformance improvement additive, conformance treatment fluid made therefrom, method of improving conformance in a subterranean formation: For conformance treatment to plug an opening in subterranean hydrocarbon bearing formation, a conformance additive including water soluble crosslinkable polymer, a crosslinking agent, a filter aid that is preferably diatomaceous earth, and optionally a reinforcing material. The method of forming a conformance fluid includes contacting the additive with water or... Agent: Gilbreth & Associates, P.C.

20090011960 - Drilling fluid composition comprising hydrophobically associating polymers and methods of use thereof: The present disclosure relates to drilling fluids for use in bitumen recovery from oil sands. In particular, the disclosure relates to a drilling fluid composition containing hydrophobically associating polymers which encapsulate the bitumen, and a method and use of the composition.... Agent: Bereskin And Parr

20090005271 - Reduced abrasiveness with micronized weighting material: A method of prolonging the average lifespan of downhole tools that includes circulating the wellbore fluid comprising a base fluid and at least one of a micronized weighting agent and a dispersant coated weighting agent through the wellbore; wherein the wellbore fluid is characterized as having at least one of... Agent: Osha Liang/mi