GENEVA, June 19 -- PETROCHINA COMPANY LIMITED filed a patent application (CN2025/144614) for “THERMAL RECOVERY SIMULATION EXPERIMENT DEVICE AND METHOD FOR OIL SANDS AND EXTRA-HEAVY OIL RESERVOIRS”. With publication no. WO/2026/103953, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: E21B 49/00
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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