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. 22, 2025
Filed:
Aug. 10, 2023
Applicants:
Cnpc Usa Corp., Houston, TX (US);
Beijing Huamei, Inc., Beijing, CN;
China National Petroleum Corporation, Beijing, CN;
Inventors:
Lei Zhao, Houston, TX (US);
Jiaxiang (Jason) Ren, Houston, TX (US);
Timothy Dunne, Pearland, TX (US);
Peng Cheng, Houston, TX (US);
Assignees:
CNPC USA CORPORATION, Houston, TX (US);
BEIJING HUAMEI, INC, Beijing, CN;
CHINA NATIONAL PETROLEUM CORPORATION, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/42 (2006.01); E21B 23/02 (2006.01); E21B 33/124 (2006.01);
U.S. Cl.
CPC ...
C09K 8/426 (2013.01); E21B 23/02 (2013.01); E21B 33/1243 (2013.01);
Abstract
The Patent Application discloses an in-situ swellable composition suitable for use in subterranean wells. The swellable composition may comprise a composite material. The composite material swells on contact with water due to chemical reaction of the composite material.