Featured patents

Viscoelastic Compositions
US 08785355 B2, July 22, 2014, The sulfur is part of a sulfonate group, Robert Seth Hartshorne et al. / Schlumberger Technology Corporation (Sugar Land, US)
An aqueous wellbore fluid comprising an anionic viscoelastic surfactant…

Lost Circulation Compositions and Associated Methods
US 08741818 B2, June 3, 2014, Contains inorganic component other than water or clay, Rahul Chandrakant Patil et al. / Halliburton Energy Services, Inc. (Houston, US)
A lost circulation composition comprising:…

Foaming Composition for High Temperature and Salinity
US 08722588 B2, May 13, 2014, Polysaccharide is a xanthan, Raül Hernández Altamirano et al. / Instituto Mexicano del Petroleo (Mexico City, MX)
A foaming composition with foaming properties containing as active component,…

Corrosion Inhibitor Intensifier Compositions
US 08716199 B2, May 6, 2014, Plural heteroatoms in the ring, Chad E. Kiser et al. / Halliburton Energy Services, Inc. (Houston, US)
A corrosion inhibitor composition comprising:…

Method of Fracturing With Phenothiazine Stabilizer
US 08691734 B2, April 8, 2014, Contains intended gaseous phase at entry into wellbore, Paul S. Carman et al. / Baker Hughes Incorporated (Houston, US)
A method of fracturing a subterranean formation having a temperature…

Fluid Loss Pills
US 08664165 B2, March 4, 2014, Hydroxyalkylcellulose, Bethicia B. Prasek et al. / M-I L.L.C. (Houston, US)
A fluid loss pill comprising:…

Methods and Compositions for Enhancing Guar Hydration Rates and Performing Guar Derivatization Reactions
US 08614172 B2, Dec. 24, 2013, Carbohydrate has been grafted onto solid synthetic resin, Robert E. Hanes, Jr. et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of treating guar splits comprising:…

Hydraulic Fluid Compositions
US 08563484 B2, Oct. 22, 2013, Organic component contains phosphorus attached directly or indirectly to carbon by nonionic bonding, Ian D. Smith
A hydraulic fluid composition comprising:…

Methods Using Well Drilling Fluids Having Clay Control Properties
US 08507413 B2, Aug. 13, 2013, Organic component is quaternary ammonium salt, Thomas P. Wilson, Jr. / Clearwater International, LLC (Houston, US)
A method for controlling clay swelling comprising the step of:…

Aqueous Foaming Compositions With High Tolerance to Hydrocarbons
US 08524641 B2, Sept. 3, 2013, Organic component contains silicon attached directly or indirectly to carbon by nonionic bonding, Kalman Koczo et al. / Momentive Performance Materials Inc. (Waterford, US)
A composition providing a stable foam, comprising…

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