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:
Oct. 21, 2025
Filed:
Oct. 30, 2023
Cnpc Usa Corp., Houston, TX (US);
Beijing Huamei, Inc., Beijing, CN;
China National Petroleum Corporation, Beijing, CN;
Peixiang Xing, Houston, TX (US);
Min (Mark) Yuan, Houston, TX (US);
Jiaxiang (Jason) Ren, Houston, TX (US);
Peng Cheng, Houston, TX (US);
Yu Liu, Beijing, CN;
Zhenzhou Yang, Beijing, CN;
CNPC USA CORPORATION, Houston, TX (US);
BEIJING HUAMEI, INC., Beijing, CN;
CHINA NATIONAL PETROLEUM CORPORATION, Beijing, CN;
Abstract
The patent application discloses a degradable downhole tool member for hydrocarbon resource recovery. The downhole tool member comprises a shaped body comprising a degradable polymer matrix, wherein the downhole tool member, when held in downhole fluid at about 80° C., has an initial mass loss about 14% for a holding period of about 2 days in a pressure holding test.