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Earth boring, well treating, and oil field chemistry May archived by USPTO category 05/06Below 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. 05/25/2006 > 4 patent applications in 4 patent subcategories. archived by USPTO category
20060111245 - Environmentally friendly water based mud deflocculant/ thinner: Methods and compositions for use in such methods are provided for drilling, running casing in, and/or cementing a borehole in a subterranean formation using aqueous based drilling fluids. The drilling fluids are thinned or dispersed with a blend of non chrome, ferro lignosulfonate and acrylate copolymer with one or more...
20060111246 - Aqueous storable cement spacer system: A storable cement system comprises a suspending agent, a cement spacer and water. The composition may further optional contain a surfactant and/or an organic solvent and/or a weighting material. The suspending agent is preferably a carrageenan or scleroglucan. The cement system may be stored for an extended period of time...
20060111247 - Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control: Methods and compositions relating to fluid loss control operations are provided. More particularly, fluid loss treatment fluid compositions may comprise ceramic particulate bridging agents, a partially depolymerized starch derivative, and a base fluid. In some embodiments, the partially depolymerized starch derivative may include a crosslinked ether derivative of a partially...
20060111248 - Viscoelastic surfactant rheology modification: in which R is an alkyl group that is straight chained or branched, saturated or unsaturated, and contains from 3 to about 18 carbon atoms, x is from 0 to about 14, y is from 0 to about 7, R′ is an alkyl group that contains from 0 to about...05/18/2006 > 3 patent applications in 3 patent subcategories. archived by USPTO category
20060105917 - In-situ filter cake degradation compositions and methods of use in subterranean formations: Improved in-situ filter cake degradation compositions for use in subterranean formations, well drill-in and servicing fluids including such in-situ filter cake degradation compositions, and methods of using such in-situ filter cake degradation compositions and well drill-in and servicing fluids in subterranean operations are provided. An example of a method is...
20060105918 - Methods of degrading filter cakes in subterranean formations: Methods of degrading filter cakes in subterranean formations are provided. An example of a method is a method of drilling a well bore in a subterranean formation. Another example of a method is a method of degrading a filter cake in a subterranean formation, the filter cake comprising an inorganic...
20060105919 - Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance: A method of treating a subterranean formation by injecting down a well an aqueous fluid containing a viscoelastic surfactant fluid comprising an enhanced shear recovery agent wherein shear recovery time of the viscoelastic surfactant fluid is reduced by the addition of the enhanced shear recovery agent, and a viscoelastic surfactant...05/11/2006 > 1 patent applications in 1 patent subcategories. archived by USPTO category
20060100109 - Surfactant-polymer compositions for enhancing the stability of viscoelastic-surfactant based fluid: Compositions for increasing the thermal and pressure stability of well fluids viscosified using viscoelastic surfactants, the compositions including an effective amount of an oligomeric or polymeric compound that has a thermally stable backbone structure and at least one pendent viscoelastic surfactant functional group. Preferred compositions for increasing the stability of...05/04/2006 > 1 patent applications in 1 patent subcategories. archived by USPTO category
20060094604 - Method and biodegradable super absorbent composition for preventing or treating lost circulation: A lost circulation material and method for treatment employing the material is provided that has particular utility in offshore applications because the material may be used with saltwater or brine, as well as with fresh water, and is biodegradable. The material comprises a biodegradable superabsorbent polysaccharide polymer that is preferably...Previous 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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