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:
Jun. 16, 2015
Filed:
Apr. 03, 2012
Applicants:
Samuel J. Lewis, Duncan, OK (US);
Michael J. Szymanski, Duncan, OK (US);
Inventors:
Samuel J. Lewis, Duncan, OK (US);
Michael J. Szymanski, Duncan, OK (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/26 (2006.01); C09K 8/16 (2006.01); C01B 33/44 (2006.01); C09K 8/36 (2006.01);
U.S. Cl.
CPC ...
C09K 8/26 (2013.01); C01B 33/44 (2013.01); C09K 8/36 (2013.01);
Abstract
Fluids comprising oil; and an organophilic clay comprising a smectite clay modified by reaction with a protonated amphoteric surfactant. The smectite clay may be montmorillonite, beidellite, nontronite, or a combination thereof. The protonated amphoteric surfactant may be cetyl/myristyl amine oxide, a stearyl amine oxide, a stearyl betaine, or a combination thereof. In some cases, the fluid may also include water and/or a solid reactive metal.