The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 2010
Filed:
Feb. 13, 2007
Harold Dean Brannon, Magnolia, TX (US);
D. V. Satyanarayana Gupta, The Woodlands, TX (US);
Roger R. Myers, Cranberry Township, PA (US);
Brian Benedict Beall, Spring, TX (US);
Harold Dean Brannon, Magnolia, TX (US);
D. V. Satyanarayana Gupta, The Woodlands, TX (US);
Roger R. Myers, Cranberry Township, PA (US);
Brian Benedict Beall, Spring, TX (US);
BJ Services Company, Houston, TX (US);
Abstract
A low viscosity fluid for reducing fluid loss in a relatively low permeability formation has a viscosity of less that 10 CP and contains a low molecular weight viscosifying agent The aqueous medium may be fresh water, salt water, brine or slickwater. The invention has particular applicability when an ultra lightweight (ULW) proppant or sand control particulate is employed. The fluid may be used in reservoirs having a relative permeability less than 10 mD.