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:
Dec. 26, 2023
Filed:
Oct. 28, 2021
Applicant:
Cnpc Usa Corporation, Houston, TX (US);
Inventors:
Assignees:
CNPS USA CORPORATION, Houston, TX (US);
BEIJING HUAMEI INC., Beijing, CN;
CHINA NATIONAL PETROLEUM CORPORATION, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/00 (2006.01); C09K 8/24 (2006.01); C09K 8/487 (2006.01); G01N 15/08 (2006.01); C09K 8/504 (2006.01); C04B 28/00 (2006.01); C04B 28/02 (2006.01);
U.S. Cl.
CPC ...
C09K 8/5045 (2013.01); C04B 28/006 (2013.01); C04B 28/021 (2013.01); G01N 15/082 (2013.01); G01N 15/0806 (2013.01);
Abstract
The disclosure includes a new test method of evaluating lost circulation prevention with expandable geopolymers. The expandable geopolymer is tested using a permeability plugging tester, slot disk, drilling fluid, and a piston to determine how much fluid is released from the test cell.