P

Inventor

GRAU JAMES

US7 patents
⚠️ This page may combine multiple inventors who share the name “GRAU JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHLUMBERGER TECHNOLOGY CORP

5 patents
US5021653AJun 4, 1991

Geochemical logging apparatus and method for determining concentrations of formation elements next to a borehole

SCHLUMBERGER TECHNOLOGY CORP33 citations88
US9575208B2Feb 21, 2017

Geological constituent estimation using calculated spectra relationships

SCHLUMBERGER TECHNOLOGY CORP4 citations71
US9568639B2Feb 14, 2017

Borehole tool calibration method

SCHLUMBERGER TECHNOLOGY CORP2 citations71
US9417355B2Aug 16, 2016

Composition-matched inelastic or capture spectroscopy tool

SCHLUMBERGER TECHNOLOGY CORP4 citations71
US12061308B2Aug 13, 2024

Porosity measurements from nuclear spectroscopy

SCHLUMBERGER TECHNOLOGY CORP0 citations57

NIGRELLI NICHOLAS B

1 patent
US4787632ANov 29, 1988

Golf club accessory for retrieving a golf ball

NIGRELLI NICHOLAS B57 citations92

SCHLUMBER TECHNOLOGY CORP

1 patent
US7366615B2Apr 29, 2008

Methods and apparatus using both nuclear capture and inelastic spectroscopy in deriving elemental concentrations

SCHLUMBER TECHNOLOGY CORP18 citations79