Inventor
LIU CHENGBING
SA14 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHENGBING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
11 patentsUS7202670B2Apr 10, 2007
Method for characterizing a subsurface formation with a logging instrument disposed in a borehole penetrating the formation
SCHLUMBERGER TECHNOLOGY CORP77 citations96
US11237292B2Feb 1, 2022
Clay detection and quantification using downhole low frequency electromagnetic measurements
SCHLUMBERGER TECHNOLOGY CORP3 citations72
US7599825B2Oct 6, 2009
Shoulder bed effects removal
SCHLUMBERGER TECHNOLOGY CORP7 citations71
US11754518B2Sep 12, 2023
Methods and systems to determine tortuosity of rock and fluids in porous media
SCHLUMBERGER TECHNOLOGY CORP2 citations68
US12360278B2Jul 15, 2025
Quantification of formation water saturation and salinity using relative permittivity and conductivity measurements
SCHLUMBERGER TECHNOLOGY CORP1 citations63
US12523793B2Jan 13, 2026
Methods and systems to identify formations with minimum clay related natural gamma rays
SCHLUMBERGER TECHNOLOGY CORP0 citations62
US11940588B2Mar 26, 2024
Clay detection and quantification using downhole low frequency electromagnetic measurements
SCHLUMBERGER TECHNOLOGY CORP0 citations62
US11499935B2Nov 15, 2022
Clay detection and quantification using low frequency electromagnetic measurements
SCHLUMBERGER TECHNOLOGY CORP0 citations62
US11892581B2Feb 6, 2024
Methods and systems for characterizing clay content of a geological formation
SCHLUMBERGER TECHNOLOGY CORP0 citations51
US11796710B2Oct 24, 2023
Determination of formation water salinity using downhole low frequency electromagnetic measurements and permittivity dispersions based thereon
SCHLUMBERGER TECHNOLOGY CORP0 citations51
US10866335B2Dec 15, 2020
Formation clay typing from electromagnetic measurements
SCHLUMBERGER TECHNOLOGY CORP0 citations41