INTERNATIONAL PATENT: PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "GAS WELL ANNULUS CONDITION DIAGNOSIS METHOD, APPARATUS AND STORAGE MEDIUM"

GENEVA, Feb. 2 -- PETROCHINA COMPANY LIMITED (9 Dongzhimen North Street,Dongcheng 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/CN2023/127395) for "GAS WELL ANNULUS CONDITION DIAGNOSIS METHOD, APPARATUS AND STORAGE MEDIUM" on Oct 27, 2023. With publication no. WO/2025/020324, the details related to the patent application was published on Jan 30, 2025.

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