GENEVA, June 24 -- CHINA NATIONAL PETROLEUM CORPORATION filed a patent application (CN2025/131032) for “METHOD FOR OPTIMIZING SHUT-IN TIME OF INTERMITTENT WELL OF TIGHT GAS RESERVOIR, AND DEVICE”. With publication no. WO/2026/113810, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: E21B 43/00
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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