Inventor
LI ZAOYUAN
CN5 patents
Patents
5 patentsUS10975284B2Apr 13, 2021
Well cementation working solution prepared from red mud, slag and waste drilling fluids
UNIV SOUTHWEST PETROLEUM1 citations56
US11603488B2Mar 14, 2023
Process for preparing metal-chelate retarder by sol-gel method
UNIV SOUTHWEST PETROLEUM0 citations53
US11345844B2May 31, 2022
Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings
UNIV SOUTHWEST PETROLEUM0 citations44
US12473483B1Nov 18, 2025
Low-molecular-weight composite contamination-resistant additive for well cementing
UNIV SOUTHWEST PETROLEUM0 citations43
US10876945B2Dec 29, 2020
Method for evaluating breakage strength of first and second cemented surfaces of well cementation under dynamic load
UNIV SOUTHWEST PETROLEUM0 citations35