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:
Oct. 25, 2011
Filed:
Feb. 29, 2008
Applicants:
Donald L. Whitfill, Kingwood, TX (US);
Cindy C. Fang, College Station, TX (US);
Matthew Miller, Spring, TX (US);
Inventors:
Donald L. Whitfill, Kingwood, TX (US);
Cindy C. Fang, College Station, TX (US);
Matthew Miller, Spring, TX (US);
Assignee:
Halliburton Energy Services Inc., Duncan, OK (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/20 (2006.01); C09K 8/22 (2006.01); C09K 8/32 (2006.01); C09K 8/12 (2006.01); C09K 8/36 (2006.01); C09K 8/60 (2006.01); C09K 8/588 (2006.01); C09K 8/528 (2006.01); E21B 43/04 (2006.01); A47B 43/001 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lost circulation material and method for well treatment employing the material that is effective at sealing or plugging small fissures and large fractures and has utility over a wide range of temperatures, including high temperatures. The material has an optimized bimodal particle distribution and optionally has a polymer flocculent or water swellable polymer.