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:
Sep. 21, 2010
Filed:
Oct. 13, 2005
Applicants:
Paul Way, Cambridgeshire, GB;
Phillip Rice, West Midlands, GB;
Gerald Meeten, Hertfordshire, GB;
Louise Bailey, Cambridgeshire, GB;
Inventors:
Paul Way, Cambridgeshire, GB;
Phillip Rice, West Midlands, GB;
Gerald Meeten, Hertfordshire, GB;
Louise Bailey, Cambridgeshire, GB;
Assignee:
M-I L.L.C., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/60 (2006.01); C09K 8/22 (2006.01); E21B 43/22 (2006.01); E21B 33/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
Additive for a drilling fluid to block drilling-induced or pre-existing rock fractures comprising polymeric granules with a diameter distribution peak between 1000 and 200 microns and an average resiliency of at least 10% rebound after compression by a load of 200 N and uses thereof.