Inventor
ANDREWS ALBERT BALLARD
US16 patents
⚠️ This page may combine multiple inventors who share the name “ANDREWS ALBERT BALLARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
10 patentsUS7644611B2Jan 12, 2010
Downhole fluid analysis for production logging
SCHLUMBERGER TECHNOLOGY CORP11 citations84
US7687770B2Mar 30, 2010
Methods and apparatus for multi dimension fluorescence spectrum measurement downhole
SCHLUMBERGER TECHNOLOGY CORP15 citations83
US7687769B2Mar 30, 2010
Methods and apparatus for multi dimension fluorescence spectrum measurement and correlations downhole
SCHLUMBERGER TECHNOLOGY CORP12 citations83
US10088422B2Oct 2, 2018
Raman spectroscopy for determination of composition of natural gas
SCHLUMBERGER TECHNOLOGY CORP2 citations69
US10012074B2Jul 3, 2018
Asphaltene content of heavy oil
SCHLUMBERGER TECHNOLOGY CORP4 citations69
US12146870B1Nov 19, 2024
Calibration of humidity and methane inside gas sensor housing
SCHLUMBERGER TECHNOLOGY CORP2 citations64
US8362429B2Jan 29, 2013
Method and apparatus for oil spill detection
SCHLUMBERGER TECHNOLOGY CORP4 citations61
US10253624B2Apr 9, 2019
Methods of applications for a mass spectrometer in combination with a gas chromatograph
SCHLUMBERGER TECHNOLOGY CORP1 citations60
US12123304B2Oct 22, 2024
Systems and methods for monitoring gas storage in underground reservoirs
SCHLUMBERGER TECHNOLOGY CORP0 citations51
US9932825B1Apr 3, 2018
Gas chromatograph mass spectrometer for downhole applications
SCHLUMBERGER TECHNOLOGY CORP0 citations50