Inventor

JIA LICHUN

CN3 patents

Patents

3 patents

US12199448B2Jan 14, 2025

System and method for dynamically adjusting coupling coefficients of non-contact transmission magnetic mechanism

CHINA NAT PETROLEUM CORP0 citations45

US11982146B2May 14, 2024

Jet flow adjustment method for rotary steerable downhole release

CHINA NAT PETROLEUM CORP0 citations44

US11946350B2Apr 2, 2024

Method for remotely shutting down downhole unit of rotary steering system from ground

CHINA NAT PETROLEUM CORP0 citations43