INTERNATIONAL PATENT: PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "METHOD AND SYSTEM FOR WIDENING DRILLING SAFETY PRESSURE WINDOW AND A DEVICE AND STORAGE MEDIUM"

GENEVA, May 10 -- 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/CN2023/140185) for "METHOD AND SYSTEM FOR WIDENING DRILLING SAFETY PRESSURE WINDOW, AND A DEVICE AND STORAGE MEDIUM" on Dec 20, 2023. With publication no. WO/2025/091661, the details related to the patent application was published on May 08, 2025.

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