Patents/Assignees

China National Offshore Oil Corporation

5 patents in portfolio

US12235194utility2025
Coring Device
0 cites
US12188919utility2025
Method and System for Measuring Composition and Property of Formation Fluid
0 cites
US12025159utility2024
Hydraulic Power System for Downhole Device and Downhole Device
0 cites
US11905829utility2024
Integrated Logging Instrument for Coring and Sampling
0 cites
US11714026utility2023
Vibration Detection Apparatus Applied to Nuclear Magnetic Resonance While Drilling Instrument
0 cites