Inventor
LIAO HUALIN
CN6 patents
Patents
6 patentsUS10233695B2Mar 19, 2019
Weight-on-bit self-adjusting drill bit
UNIV CHINA PETROLEUM EAST CHINA4 citations65
US10718176B2Jul 21, 2020
Drilling speed improvement device capable of producing both hydraulic pulse and impact vibration
UNIV CHINA PETROLEUM EAST CHINA1 citations56
US10927607B2Feb 23, 2021
Drilling speed increasing device driven by downhole motor for generating shock vibration
UNIV CHINA PETROLEUM EAST CHINA0 citations42
US12276191B2Apr 15, 2025
Electromagnetic reversal downhole pressure intensifier
UNIV CHINA PETROLEUM EAST CHINA0 citations37
US10815743B2Oct 27, 2020
Depressuriz od for downhole annulus drilling fluid
UNIV CHINA PETROLEUM EAST CHINA0 citations36
US10697277B2Jun 30, 2020
Simulation device and method for integrated evaluation experiment for sand control wellbore plugging and plugging removal
UNIV CHINA PETROLEUM EAST CHINA0 citations36