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. 22, 2026
Filed:
Mar. 01, 2023
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
V. Ramireddy Devarapalli, Pune, IN;
Sunita S. Kadam, Pune, IN;
Rahul Patil, Pune, IN;
William Cecil Pearl, Jr., Spring, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/14 (2006.01); C08F 116/06 (2006.01); C08K 3/30 (2006.01); C08K 11/00 (2006.01);
U.S. Cl.
CPC ...
C08F 116/06 (2013.01); C08F 8/14 (2013.01); C08K 3/30 (2013.01); C08K 11/005 (2013.01); C08K 2003/3045 (2013.01);
Abstract
A method may include: introducing a water-based drilling fluid comprising an aqueous base fluid and a branched polyvinyl alcohol shale stabilizer into a drill string; extending a wellbore using the drill string through a subterranean formation comprising a shale; and allowing the branched polyvinyl alcohol shale stabilizer to interact with the shale to at least partially inhibit the shale.