Inventor

ZHANG DINGAN DAN

CA2 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG DINGAN DAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHLUMBERGER TECHNOLOGY CORP

1 patent

US7920970B2Apr 5, 2011

Methods and apparatus for characterization of petroleum fluid and applications thereof

SCHLUMBERGER TECHNOLOGY CORP66 citations92

ZUO YOUXIANG JULLAN

1 patent

US8805617B2Aug 12, 2014

Methods and apparatus for characterization of petroleum fluids contaminated with drilling mud

ZUO YOUXIANG JULLAN20 citations82