International Patent: METHODS OF SEALING EFFECT EVALUATION FOR DRILLING FLUID

GENEVA, Oct. 22 -- CNPC USA CORPORATION filed a patent application (US2026/023559) for “METHODS OF SEALING EFFECT EVALUATION FOR DRILLING FLUID”. With publication no. WO/2026/222026, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: G01N 15/08

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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