Featured patents

Process for Tertiary Mineral Oil Production Using Surfactant Mixtures
US 08853136 B2, Oct. 7, 2014, The sulfur is part of a sulfonate group, Christian Bittner et al. / BASF SE (Ludwigshafen, DE)
A process for mineral oil production by surfactant flooding comprising forcing…

Hydraulic Fluid Compositions
US 08809241 B2, Aug. 19, 2014, Organic component contains phosphorus attached directly or indirectly to carbon by nonionic bonding, Ian D. Smith
A method of actuating a valve in a marine environment using a hydraulic fluid…

Ceramic Proppants
US 08722590 B2, May 13, 2014, Contains inorganic component other than water or clay, Chris Haller et al. / Shamrock Group (St. Louis, US)
A sintered, generally spherical ceramic body, comprising:…

Method of Fracturing Using Boron Crosslinkers
US 08691735 B2, April 8, 2014, Organic component is solid synthetic resin, Frances De Benedictis et al. / Baker Hughes Incorporated (Houston, US)
A method of fracturing a subterranean formation comprising the steps of:…

Gelled Hydrocarbon System and Method With Dual-Function Viscosifier/Breaker Additive
US 08653011 B2, Feb. 18, 2014, Organic component consists only of carbon, hydrogen, and nitrogen, Juliet Edwena Juel et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method, 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:…

Methods of Preparing Degradable Materials and Methods of Use in Subterranean Formations
US 08598092 B2, Dec. 3, 2013, Organic component is solid synthetic resin, Michael N. Mang / Halliburton Energy Services, Inc. (Houston, US)
A method comprising:…

Polysaccharide Based Cement Additives
US 08586508 B2, Nov. 19, 2013, Organic component is carbohydrate or derivative thereof or carboxylic acid ester of an alcohol which has five or more hydroxy groups bonded directly to carbons, Russell Fitzgerald et al. / Halliburton Energy Services, Inc. (Duncan, US)
A composition comprising a (i) carboxylated, sulfonated polysaccharide, (ii)…

Oil-Based Grouting Composition With an Insulating Material
US 08481463 B2, July 9, 2013, Contains inorganic component other than water or clay, Eric B. Frantz / Halliburton Energy Services, Inc. (Houston, US)
A grouting composition for use in insulating a portion of a tubular located…

Aggregating Compositions, Modified Particulate Metal-Oxides, Modified Formation Surfaces, and Methods for Making and Using Same
US 08466094 B2, June 18, 2013, Hetero nitrogen ring is attached directly or indirectly to the ethylenic monomer by nonionic bonding, Sarkis R. Kakadjian et al. / Clearwater International, LLC (Houston, US)
A method for fracturing a formation comprising the step of:…

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