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:
Mar. 25, 2008
Filed:
Mar. 26, 2004
Applicants:
Terry Monroe, Lafayette, LA (US);
Brian Evans, The Woodlands, TX (US);
Hoang Le, Spring, TX (US);
Brian Beall, Spring, TX (US);
Inventors:
Terry Monroe, Lafayette, LA (US);
Brian Evans, The Woodlands, TX (US);
Hoang Le, Spring, TX (US);
Brian Beall, Spring, TX (US);
Assignee:
BJ Services Company, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high temperature blocking gel contains a blend of an aqueous fluid and carboxymethyl guar and a crosslinking agent. The gel exhibits excellent hydration capability in brines and positive viscosity generation and controls fluid loss from an oil well during drilling, completion and/or workover operations.