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:
Jul. 04, 2023
Filed:
Sep. 18, 2020
Applicant:
Texas A&m University, College Station, TX (US);
Inventors:
Jenn-Tai Liang, College Station, TX (US);
Hulli Guan, College Station, TX (US);
Assignee:
Texas A&M University, College Station, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/24 (2006.01); C09K 8/508 (2006.01); E21B 21/00 (2006.01); E21B 33/138 (2006.01); C09K 8/512 (2006.01);
U.S. Cl.
CPC ...
C09K 8/24 (2013.01); C09K 8/5083 (2013.01); C09K 8/512 (2013.01); E21B 21/003 (2013.01); E21B 33/138 (2013.01); C09K 2208/10 (2013.01);
Abstract
Provided herein are drilling muds, including water-based drilling muds. The components of the drilling muds are a degradable fluid loss additive, for example, synthetic degradable nanoparticles, a clay mineral, for example, a smectite, and a base fluid, for example, water. Also provide are methods for preventing leak-off during a drilling operation and for automatically cleaning-up filter cake after completion of a drilling process both of which utilize the drilling muds and water-based drilling muds.