Inventor
WANG XIANGZENG
CN5 patents
⚠️ This page may combine multiple inventors who share the name “WANG XIANGZENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV CHINA PETROLEUM BEIJING
2 patentsUS10266744B2Apr 23, 2019
Accelerator used for drilling fluids, water-based drilling fluid and usage thereof
UNIV CHINA PETROLEUM BEIJING0 citations50
US10253237B1Apr 9, 2019
Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereof
UNIV CHINA PETROLEUM BEIJING0 citations39