Inventor
LI ZHONGXING
CN4 patents
⚠️ This page may combine multiple inventors who share the name “LI ZHONGXING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PETROCHINA CO LTD
2 patentsUS10196884B2Feb 5, 2019
Method for enhancing oil recovery in huff-puff oil production of tight oil from a fractured horizontal well
PETROCHINA CO LTD2 citations59
US10544353B2Jan 28, 2020
Surfactant that changes the wettability of tight sandstone and its preparation method and application
PETROCHINA CO LTD0 citations33