Featured patents

High Molecular Weight Low Polydispersity Polymers
US 08815783 B2, Aug. 26, 2014, Polymer derived from acrylic acid monomer or derivative, Rajesh K. Saini et al. / Halliburton Energy Services, Inc. (Houston, US)
A method comprising:…

Method of Treating Sandstone Formations With Reduced Precipitation of Silica
US 08802601 B2, Aug. 12, 2014, Polymer derived from acrylic acid monomer or derivative, Ryan Hartman et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method of treating a siliceous formation penetrated by a wellbore, the method…

Spherical Pellets Containing Common Clay Particulate Material Useful as a Proppant in Hydraulic Fracturing of Oil and Gas Wells
US 08772207 B2, July 8, 2014, Contains inorganic component other than water or clay, David Glenn Hall et al. / Brownwood Clay Holdings, LLC (Austin, US)
A ceramic propping agent comprising:…

Non-Phosphorus-Based Gellant for Hydrocarbon Fluids
US 08709983 B2, April 29, 2014, Organic component contains carboxylic acid, ester, or salt thereof, Simon John Michael Levey et al. / Weatherford Canada Partnership (Calgary, CA)
A liquid non-phosphorus gellant for gelling a fracturing fluid comprising:…

High Density Brines for Use in Wellbore Fluids
US 08697611 B2, April 15, 2014, Contains inorganic component other than water or clay, Mary L. K. Dimataris et al. / M-I L.L.C. (Houston, US)
A drilling fluid comprising a stable invert emulsion of an oleaginous fluid;…

Compositions and Methods for Treatment of Well Bore Tar
US 08603951 B2, Dec. 10, 2013, Polymer derived from acrylic acid monomer or derivative, Gregory P. Perez / Halliburton Energy Services, Inc. (Houston, US)
A drilling fluid comprising:…

Oil Based Drilling Fluids With Enhanced Stability at High Temperatures
US 08586507 B2, Nov. 19, 2013, Oxygen is attached directly or indirectly to carbon by nonionic bonding, Jay Paul Deville / Halliburton Energy Services, Inc. (Houston, US)
An oil based drilling fluid with enhanced stability for drilling a borehole…

Enhancing Emulsion Stability
US 08592351 B2, Nov. 26, 2013, Contains organic component, Robert D. Kaminsky / ExxonMobil Upstream Research Company (Houston, US)
A method of producing a macroemulsion, comprising:…

Corrosion Inhibitor Systems for Low, Moderate and High Temperature Fluids and Methods for Making and Using Same
US 08563481 B2, Oct. 22, 2013, Organic component contains phosphorous attached directly or indirectly to carbon by nonionic bonding, Larry W. Gatlin et al. / Clearwater International LLC (Houston, US)
A method comprising the step 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…

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