GENEVA, July 9 -- CHINA NATIONAL PETROLEUM CORPORATION filed a patent application (CN2025/140430) for “OUTSIDE-CASING WINDOW-MILLING JETTING TOOL AND METHOD”. With publication no. WO/2026/144835, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: E21B 29/02
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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