Inventor
MA GUANGCHANG
CN11 patents
⚠️ This page may combine multiple inventors who share the name “MA GUANGCHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA UNIV OF PETROLEUM (BEIJING)
7 patentsUS9790415B1Oct 17, 2017
Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wells
CHINA UNIV OF PETROLEUM (BEIJING)22 citations92
US9410071B1Aug 9, 2016
Oil-based viscosifier of drilling fluid and the preparation method thereof
CHINA UNIV OF PETROLEUM (BEIJING)19 citations92
US9783725B1Oct 10, 2017
Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wells
CHINA UNIV OF PETROLEUM (BEIJING)14 citations82
US9745501B1Aug 29, 2017
Additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereof
CHINA UNIV OF PETROLEUM (BEIJING)8 citations82
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
UNIV CHINA PETROLEUM BEIJING
4 patentsUS10308857B1Jun 4, 2019
Super-amphiphobic composite material and use of the same as inhibitor, lubricant, reservoir protectant, and accelerator in water-based drilling fluids
UNIV CHINA PETROLEUM BEIJING11 citations83
US9890318B1Feb 13, 2018
Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging
UNIV CHINA PETROLEUM BEIJING15 citations82
US10336931B2Jul 2, 2019
Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid
UNIV CHINA PETROLEUM BEIJING0 citations51
US10000684B2Jun 19, 2018
Drilling fluid additive composition, and oil-based drilling fluid and use thereof
UNIV CHINA PETROLEUM BEIJING0 citations40