INTERNATIONAL PATENT: PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "CEMENT SHEATH THICKNESS MEASUREMENT METHOD AND APPARATUS, DEVICE AND STORAGE MEDIUM"

GENEVA, Feb. 16 -- PETROCHINA COMPANY LIMITED (9 Dongzhimen North StreetDongcheng District, Beijing 100007), 中国石油天然气股份有限公司 (中国北京市东城区东直门北大街9号) filed a patent application (PCT/CN2025/109323) for "CEMENT SHEATH THICKNESS MEASUREMENT METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM" on Jul 18, 2025. With publication no. WO/2026/032000, the details related to the patent application was published on Feb 12, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intell...