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. 03, 2019
Filed:
Jul. 08, 2013
Applicant:
M-i, L.l.c., Houston, TX (US);
Inventors:
Sashikumar Mettath, Houston, TX (US);
Steven Young, Cypress, TX (US);
Emanuel Stamatakis, Houston, TX (US);
Balakrishnan Panamarathupalayam, Houston, TX (US);
Changping Sui, The Woodlands, TX (US);
Assignee:
M-I L.L.C., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/502 (2006.01); C09K 8/03 (2006.01); C09K 8/34 (2006.01); C09K 8/36 (2006.01); E21B 36/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/502 (2013.01); C09K 8/03 (2013.01); C09K 8/34 (2013.01); C09K 8/36 (2013.01); E21B 36/003 (2013.01);
Abstract
A insulating annular fluid for reducing convective currents in the annular region a wellbore is provided that includes an oleaginous fluid, a silica, and, in some embodiments, organoclay.