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. 08, 2022
Filed:
May. 03, 2017
Applicant:
M-i L.l.c., Houston, TX (US);
Inventors:
Brandi Katherine Price Hoelscher, Houston, TX (US);
Cara Bovet, Houston, TX (US);
Albert Okhrimenko, Houston, TX (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/00 (2006.01); E21B 21/00 (2006.01); E21B 7/00 (2006.01); E21B 33/138 (2006.01); E21B 47/00 (2012.01); E21B 47/12 (2012.01); E21B 47/01 (2012.01);
U.S. Cl.
CPC ...
E21B 49/00 (2013.01); E21B 7/00 (2013.01); E21B 21/003 (2013.01); E21B 33/138 (2013.01); E21B 47/00 (2013.01); E21B 47/01 (2013.01); E21B 47/12 (2013.01);
Abstract
A method of formulating an oil-based wellbore fluid, the method comprising adding at least a plurality of conductive carbon black agglomerates or pellets having an average size of at least 500 μm to an oleaginous base fluid, and applying energy to the oil-based wellbore fluid to disperse the plurality of conductive carbon black agglomerates or pellets into the oleaginous base fluid as finer particles than the agglomerates or pellets.