4 Patents
- US121889192025Method and System for Measuring Composition and Property of Formation Fluid
CHINA NATIONAL OFFSHORE OIL CORPORATION
0 cites - US120128162024Core Detection Device of Coring Instrument and Spacer Insertion Device
China Oilfield Services Limited
0 cites - 0 cites
- US116242442023Connecting Structure for Drill Collar of Logging While Drilling Instrument and Drill Collar Sub Male and Female Joints
CHINA OILFIELD SERVICES, LIMITED
0 cites