Featured patents

Drilling Fluid Additive and Methods of Stabilizing Kaolinite Fines Migration
US 08871689 B2, Oct. 28, 2014, Organic component contains silicon attached directly or indirectly to carbon by nonionic bonding, Russell B. Watson et al. / Schlumberger Norge AS (Tananger, NO)
A wellbore fluid, consisting essentially of:…

Wellbore Fluid Additives and Methods of Producing the Same
US 08759260 B2, June 24, 2014, Organic component is solid synthetic resin, Jeffery C Gee et al. / Chevron Phillips Chemical Company LP (The Woodlands, US)
A method of forming a wellbore fluid additive, the method comprising reacting…

Ceramic Particles With Controlled Pore And/Or Microsphere Placement And/Or Size and Method of Making Same
US 08728991 B2, May 20, 2014, Contains inorganic component other than water or clay, Yuming Xie et al. / Oxane Materials, Inc. (Houston, US)
A method for producing a microsphere containing particle, said method comprising…

Swellable Polymer With Cationic Sites
US 08691736 B2, April 8, 2014, Nitrogen of the quaternary ammonium group is a member of a hetero ring, Cory Berkland et al. / ConocoPhillips Company (Houston, US)
A composition comprising expandable polymeric particles containing charged…

Proppant, Proppant Production Method and Use of Proppant
US 08685902 B2, April 1, 2014, Contains inorganic component other than water or clay, Eamonn O'Neill et al. / Schlumberger Technology Corporation (Sugar Land, US)
A proppant comprising…

Treatment and Reuse of Oilfield Produced Water for Operations in a Well
US 08658574 B2, Feb. 25, 2014, Inorganic component contains Ti, Zr, V, Cr, Mn, Fe, or Ni, Curtis L. Boney et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method of treating a subterranean formation in a well comprising:…

Composition and Method for Reducing Hydrate Agglomeration
US 08618025 B2, Dec. 31, 2013, Organic component is quaternary ammonium salt, Peter A. Webber / Nalco Company (Naperville, US)
A composition comprising the following formula and optionally salts thereof:…

Environment Friendly Base Fluid to Replace the Toxic Mineral Oil-Based Base Fluids
US 08563482 B2, Oct. 22, 2013, Organic component is a fat, fatty alcohol, fatty oil, ester-type wax, fatty still residue, or higher fatty acid or salt thereof, Md. Amanullah / Saudi Arabian Oil Company SA
A process for producing alkyl esters useful as a base fluid in oil-based mud…

Expoxy Acid Based Biodegradable Set Retarder for a Cement Composition
US 08536101 B2, Sept. 17, 2013, Well Treating, Girish Dinkar Sarap et al. / Halliburton Energy Services, Inc. (Houston, US)
A cement composition for use in a subterranean formation, the cement composition…

Thermoset Nanocomposite Particles, Processing for Their Production, and Their Use in Oil and Natural Gas Drilling Applications
US 08455403 B2, June 4, 2013, Organic component is solid synthetic resin, Robert L. Albright et al. / Sun Drilling Products Corporation (Belle Chasse, US)
A method for treating a well penetrating a subterranean formation comprising:…

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