Inventor
WU XIANZHU
CN11 patents
⚠️ This page may combine multiple inventors who share the name “WU XIANZHU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA UNIV OF PETROLEUM (BEIJING)
8 patentsUS9783725B1Oct 10, 2017
Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wells
CHINA UNIV OF PETROLEUM (BEIJING)14 citations82
US9399692B1Jul 26, 2016
Amphiphilic reservoir protecting agent and preparation method thereof and drilling fluid
CHINA UNIV OF PETROLEUM (BEIJING)15 citations80
US9790417B1Oct 17, 2017
High-density water-based drilling fluid suitable for horizontal shale gas wells
CHINA UNIV OF PETROLEUM (BEIJING)2 citations71
US9783726B1Oct 10, 2017
Environment-friendly water-based drilling fluid applicable to horizontal shale gas wells
CHINA UNIV OF PETROLEUM (BEIJING)6 citations71
US9834717B1Dec 5, 2017
Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wells
CHINA UNIV OF PETROLEUM (BEIJING)1 citations50
US9410068B2Aug 9, 2016
Method for preparation of biomimetic polymer for stabilizing wellbore and drilling fluid
CHINA UNIV OF PETROLEUM (BEIJING)0 citations49
US9410067B2Aug 9, 2016
Biomimetic polymer for stabilizing wellbore and method for preparation of the same and drilling fluid
CHINA UNIV OF PETROLEUM (BEIJING)0 citations49
US9528041B2Dec 27, 2016
Bionic drilling fluid and preparation method thereof
CHINA UNIV OF PETROLEUM (BEIJING)0 citations40
UNIV CHINA PETROLEUM BEIJING
3 patentsUS10336931B2Jul 2, 2019
Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid
UNIV CHINA PETROLEUM BEIJING0 citations51
US10266744B2Apr 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