INTERNATIONAL PATENT: PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "METHOD FOR DETERMINING EXTENT OF DAMAGE TO SAGD STEAM CHAMBER CAUSED BY WATER INVASION IN EDGE-WATER OIL RESERVOIR AND APPARATUS"

GENEVA, March 29 -- 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/CN2025/106107) for "METHOD FOR DETERMINING EXTENT OF DAMAGE TO SAGD STEAM CHAMBER CAUSED BY WATER INVASION IN EDGE-WATER OIL RESERVOIR, AND APPARATUS" on Jun 30, 2025. With publication no. WO/2026/061081, the details related to the patent application was published on Mar 26, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC...