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:
May. 04, 2010
Filed:
Jan. 04, 2006
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., Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01F 17/00 (2006.01); C09K 8/36 (2006.01); C09K 8/60 (2006.01); E21B 21/00 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided herein are organophilic clays that comprise a smectite clay modified by reaction with a protonated amphoteric surfactant. Also provided are fluids that comprise an oil and an organophilic clay comprising a smectite clay modified by reaction with a protonated amphoteric surfactant. Also provided are methods of preparing and using these organophilic clays.