Featured patents

Method for Treating Wellbore in a Subterranean Formation With High Density Brines and Complexed Metal Crosslinkers
US 08853135 B2, Oct. 7, 2014, Carbohydrate is polysaccharide, Alhad Phatak et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method comprising: (a)…

Methods of Using Fluid Loss Additives Comprising Micro Gels
US 08697609 B2, April 15, 2014, Organic component is solid synthetic resin, Jun Jim Wu et al. / Halliburton Energy Services, Inc. (Houston, US)
A method comprising:…

Precipitated Weighting Agents for Use in Wellbore Fluids
US 08598096 B2, Dec. 3, 2013, Contains inorganic component other than water or clay, David Antony Ballard et al. / M-I L.L.C. (Houston, US)
A method, comprising:…

Methods for Determining Reactive Index for Cement Kiln Dust, Associated Compositions, and Methods of Use
US 08609595 B2, Dec. 17, 2013, Contains inorganic component other than water or clay, Ronnie G. Morgan et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of treating a well comprising:…

Methods of Using Polysaccharide Based Cement Additives
US 08569214 B2, Oct. 29, 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, Anindya Ghosh et al. / Halliburton Energy Services, Inc. (Duncan, US)
A method of servicing a wellbore comprising introducing to the wellbore…

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:…

Methods of Degrading Subterranean Filter Cakes
US 08541346 B2, Sept. 24, 2013, Organic component contains an alcohol group, Trinidad Munoz, Jr. et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of degrading a self-degrading filter cake in a subterranean formation,…

Carboxylic Acid and Oxidizer Clean-Up Compositions and Associated Methods of Use in Subterranean Applications
US 08470747 B2, June 25, 2013, Organic component contains a carbonyl group, Thomas D. Welton et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of reducing the viscosity of a viscosified treatment fluid comprising:…

Compositions and Methods for Controlling Fluid Loss
US 08445414 B2, May 21, 2013, Inorganic component contains Ti, Zr, V, Cr, Mn, Fe, or Ni, Tianping Huang et al. / Baker Hughes Incorporated (Houston, US)
A method for controlling fluid loss in a well comprising:…

Drag Reduction of Asphaltenic Crude Oils
US 08450249 B2, May 28, 2013, Polymer derived from acrylic acid monomer or derivative, William F. Harris et al. / Phillips 66 Company (Houston, US)
A method comprising:…

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