Inventor
ZHANG LIEHUI
CN8 patents
Patents
8 patentsUS10570239B1Feb 25, 2020
Surface-active two-tailed hydrophobic associated polymer and preparation method thereof
UNIV SOUTHWEST PETROLEUM23 citations93
US10627543B2Apr 21, 2020
Method for predicting reservoir reform volume after vertical well volume fracturing of low-permeability oil/gas reservoir
UNIV SOUTHWEST PETROLEUM1 citations60
US12480854B1Nov 25, 2025
Device and method for determining gas diffusion coefficient in rocks
UNIV SOUTHWEST PETROLEUM0 citations49
US11156064B2Oct 26, 2021
Natural gas hydrate solid-state fluidization mining method and system under underbalanced positive circulation condition
UNIV SOUTHWEST PETROLEUM0 citations48
US11053779B2Jul 6, 2021
Hydrate solid-state fluidization mining method and system under underbalanced reverse circulation condition
UNIV SOUTHWEST PETROLEUM0 citations48
US12000767B2Jun 4, 2024
Natural gas diffusion coefficient measurement auxiliary device of hand-operated lifting device
UNIV SOUTHWEST PETROLEUM0 citations45
US11465152B2Oct 11, 2022
Crushing system for large-size natural gas hydrate rock samples
UNIV SOUTHWEST PETROLEUM0 citations44
US12098073B1Sep 24, 2024
Experimental simulation device for hydrogen production by in-situ conversion of gas reservoir and use method thereof
UNIV SOUTHWEST PETROLEUM0 citations42