Featured patents

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…

Light-Weight Proppant From Heat-Treated Pumice
US 08796188 B2, Aug. 5, 2014, Inorganic component contains phosphorous, Richard F. Stevens, Jr. et al. / Baker Hughes Incorporated (Houston, US)
A process for forming a proppant, the process comprising…

Sealant Composition Comprising a Gel System and a Reduced Amount of Cement for a Permeable Zone Downhole
US 08703659 B2, April 22, 2014, Organic component is solid synthetic resin, Jip van Eijden et al. / Halliburton Energy Services, Inc. (Houston, US)
A sealant composition for servicing a wellbore comprising at least one gel…

Use of 1-Alkyl-5-Oxopyrrolidine-3-Carboxylic Esters as Gas Hydrate Inhibitors With Improved Biodegradability
US 08722589 B2, May 13, 2014, Nitrogen is part of a hetero ring, Michael Feustel et al. / Clariant Finance (BVI) Limited (Tortola, VG
A process for preventing the formation of gas hydrates in an aqueous phase,…

Lubricating Compositions for Use With Downhole Fluids
US 08716197 B2, May 6, 2014, Organic component is a fat, fatty alcohol, fatty oil, ester-type wax, fatty still residue, or higher fatty acid or salt thereof, Dennis K. Clapper et al. / Baker Hughes Incorporated (Houston, US)
A method comprising:…

Increasing Fracture Complexity in Ultra-Low Permeable Subterranean Formation Using Degradable Particulate
US 08697612 B2, April 15, 2014, Contains organic component, Bradley L. Todd et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of increasing the fracture complexity in a treatment zone…

Chlorine Dioxide Precursor and Methods of Using Same
US 08609594 B2, Dec. 17, 2013, Organic component contains carboxylic acid, ester, or salt thereof, John Y. Mason / Sabre Intellectual Property Holdings LLC (Slingerlands, US)
A method for generating chlorine dioxide, said method comprising the steps of:…

Sterically Hindered N-Methyl Secondary and Tertiary Amine Sulfur Scavengers and Methods for Making and Using Same
US 08530394 B2, Sept. 10, 2013, Organic component contains nitrogen attached directly or indirectly to carbon by nonionic bonding, Larry W. Gatlin / Clearwater International LLC (Houston, US)
A method for making a sulfur scavenger comprising the steps of:…

Oxidative Internal Breaker System With Breaking Activators for Viscoelastic Surfactant Fluids
US 08481462 B2, July 9, 2013, Contains inorganic component other than water or clay, Belgin Baser et al. / Schlumberger Technology Corporation (Sugar Land, US)
An oilfield treatment composition comprising…

Wellbore Operations Using Controlled Variable Density Fluid
US 08455402 B2, June 4, 2013, Contains intended gaseous phase at entry into wellbore, Roger W. Fincher et al. / Baker Hughes Incorporated (Houston, US)
A method of producing a fluid from a wellbore comprising…

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