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:
Jul. 11, 2017
Filed:
Oct. 01, 2012
Applicant:
Nfluids Inc., Calgary, CA;
Inventors:
Assignee:
nFluids Inc., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/36 (2006.01); C09K 8/04 (2006.01); C09K 8/32 (2006.01); E21B 43/16 (2006.01); E21B 21/06 (2006.01); E21B 21/00 (2006.01); C09K 8/03 (2006.01); C09K 8/502 (2006.01); C09K 8/504 (2006.01);
U.S. Cl.
CPC ...
C09K 8/36 (2013.01); C09K 8/032 (2013.01); C09K 8/04 (2013.01); C09K 8/32 (2013.01); C09K 8/502 (2013.01); C09K 8/5045 (2013.01); E21B 21/00 (2013.01); E21B 21/062 (2013.01); E21B 43/16 (2013.01); C09K 2208/10 (2013.01); C09K 2208/34 (2013.01);
Abstract
A use of nanoparticles in a well fluid for improved lubricity is disclosed herein. The nanoparticles are present in the well fluid in low amounts below 5 wt %. The nanoparticles may be formed ex situ and added to the fluid or in situ in the fluid. In one aspect, the well fluid is a drilling fluid. In a further aspect, the well fluid is an invert emulsion based fluid or an aqueous based fluid.