Inventor
DU MINGJUN
CN3 patents
Patents
3 patentsUS11802450B2Oct 31, 2023
Negative pressure shale shaker integrated with negative pressure generation and gas-liquid separation
UNIV SOUTHWEST PETROLEUM2 citations67
US12427452B2Sep 30, 2025
Independent double-negative-pressure shale shaker
UNIV SOUTHWEST PETROLEUM0 citations46
US12146373B2Nov 19, 2024
Underbalanced drilling vibrating screen integrated with automatic drainage and vacuum chucks
UNIV SOUTHWEST PETROLEUM0 citations46