Inventor
VAN HAL RONALD E G
US23 patents
⚠️ This page may combine multiple inventors who share the name “VAN HAL RONALD E G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
17 patentsUS7959864B2Jun 14, 2011
Downhole spectroscopic hydrogen sulfide detection
SCHLUMBERGER TECHNOLOGY CORP18 citations92
US7886825B2Feb 15, 2011
Formation fluid sampling tools and methods utilizing chemical heating
SCHLUMBERGER TECHNOLOGY CORP22 citations92
US9664665B2May 30, 2017
Fluid composition and reservoir analysis using gas chromatography
SCHLUMBERGER TECHNOLOGY CORP16 citations91
US7695629B2Apr 13, 2010
Microfluidic separator
SCHLUMBERGER TECHNOLOGY CORP26 citations91
US7799278B2Sep 21, 2010
Microfluidic system for chemical analysis
SCHLUMBERGER TECHNOLOGY CORP11 citations82
US10012633B2Jul 3, 2018
Fluid composition and reservoir analysis using gas chromatography
SCHLUMBERGER TECHNOLOGY CORP3 citations71
US9458715B2Oct 4, 2016
Determining the plus fraction of a gas chromatogram
SCHLUMBERGER TECHNOLOGY CORP5 citations71
US8383048B2Feb 26, 2013
Microsensor for mercury
SCHLUMBERGER TECHNOLOGY CORP2 citations63
US10253624B2Apr 9, 2019
Methods of applications for a mass spectrometer in combination with a gas chromatograph
SCHLUMBERGER TECHNOLOGY CORP1 citations60
US11028690B2Jun 8, 2021
System and methodology for chemical constituent sensing and analysis
SCHLUMBERGER TECHNOLOGY CORP0 citations58
US9410909B2Aug 9, 2016
Microsensor for mercury
SCHLUMBERGER TECHNOLOGY CORP1 citations52
US11029248B2Jun 8, 2021
Determining a contamination level of a fluid sample
SCHLUMBERGER TECHNOLOGY CORP0 citations51
US12571934B2Mar 10, 2026
NMR-based lithium measuring and monitoring downhole tools, methods of using said downhole tools, and methods of measuring lithium concentrations based on NMR measurements acquired by said downhole tools
SCHLUMBERGER TECHNOLOGY CORP0 citations50
US9932825B1Apr 3, 2018
Gas chromatograph mass spectrometer for downhole applications
SCHLUMBERGER TECHNOLOGY CORP0 citations50
US9891206B2Feb 13, 2018
Back titration methods for scaling cations and downhole tools for performing such methods
SCHLUMBERGER TECHNOLOGY CORP0 citations49
US10018040B2Jul 10, 2018
System and methodology for chemical constituent sensing and analysis
SCHLUMBERGER TECHNOLOGY CORP0 citations48
US10359412B2Jul 23, 2019
Systems and methods for detection of mercury in hydrocarbon-containing fluids using optical analysis of slug flow
SCHLUMBERGER TECHNOLOGY CORP0 citations34