US Patent 7494957 Energized fluids and methods of use thereof

Patent 7494957 was granted and assigned to Schlumberger on February, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Alejandro Pena0

Golchehreh Salamat0

Lijun Lin0

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Patent abstract

The present invention relates to novel aqueous wellbore treatment fluids containing a gas component, a heteropolysaccharide, an electrolyte, and a surfactant, wherein the fluids may further include an organoamino compound. The fluids exhibit good rheological properties at elevated temperatures. Methods of use of fluids comprising at least an aqueous medium, a gas component, a heteropolysaccharide and a surfactant for hydraulically fracturing, well cleanup and gravel packing operations, are also disclosed.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=074949570

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