Featured patents

Method and Composition for Enhanced Hydrocarbons Recovery
US 08759261 B2, June 24, 2014, The sulfur is part of a sulfonate group, Kirk Herbert Raney et al. / Shell Oil Company (Houston, US)
A method of treating a hydrocarbon containing formation, 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:…

Heat Generation Process for Treating Oilfield Deposits
US 08691731 B2, April 8, 2014, Preventing Contaminant Deposits in Petroleum Oil Conduits, David W. Jennings et al. / Baker Hughes Incorporated (Houston, US)
A method for removing deposits from a subterranean formation, hydrocarbon…

Use of Seeds as a Cement Set Retarder
US 08598091 B2, Dec. 3, 2013, Organic component is cellular or fibrous material derived from plant or animal source, Lloyd Spangle / Catalyst Partners, Inc. (Chico, US)
A retarded cement composition comprising:…

Cement Compositions and Methods Utilizing Nano-Clay
US 08603952 B2, Dec. 10, 2013, Contains inorganic component other than water or clay, Ricky L. Covington et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of preparing a latex-free treatment fluid for use in a subterranean…

Slickwater Treatment Fluid and Method
US 08575073 B2, Nov. 5, 2013, Nitrogen is attached directly or indirectly to the acrylic acid monomer or derivative by nonionic bonding, Syed Ali et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method of treating a subterranean formation penetrated by a wellbore,…

Methods and Compositions for Delaying the Release of Treatment Chemicals
US 08586510 B2, Nov. 19, 2013, Polymer derived from monomer having quaternary ammonium group, Jim D. Weaver et al. / Halliburton Energy Services, Inc. (Houston, US)
A method comprising:…

Foamed Spacer Fluids Containing Cement Kiln Dust and Methods of Use
US 08551923 B1, Oct. 8, 2013, Contains intended gaseous phase at entry into wellbore, D. Chad Brenneis et al. / Halliburton Energy Services, Inc. (Houston, US)
A foamed spacer fluid for displacing at least a portion of a first fluid…

Stabilization of Emulsions Containing Resinous Material for Use in the Field of Oil or Gas Well Treatments
US 08541348 B2, Sept. 24, 2013, Organic component is solid synthetic resin, Sherry Gale Gaskins et al. / Halliburton Energy Services, Inc. (Houston, US)
An emulsion comprising:…

Method of Fracturing Using Mannanohydrolase Enzyme Breaker
US 08486867 B2, July 16, 2013, Contains enzyme or living micro-organism, Charles David Armstrong / Baker Hughes Incorporated (Houston, US)
A method of hydraulic fracturing a subterranean formation which comprises…

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