Inventor · disambiguated record
A. Ballard Andrews
Also filed as: ANDREWS A BALLARD
8 granted patents·78 citations·filing 2005–2013
86Inventor score
Top patents by PatentIndex Score
8 records- 0193US7959864B2Downhole spectroscopic hydrogen sulfide detectionSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Jun 14, 2011·18 cites·7 claims
- 0292US7279678B2Method and apparatus for composition analysis in a logging environmentSCHLUMBER TECHNOLOGY CORP·Filed 2005·Granted Oct 9, 2007·21 cites·34 claims
- 0386US10012758B2Solid state lasersSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Jul 3, 2018·7 cites·8 claims
- 0483US7705982B2Methods and apparatus for analyzing fluid properties of emulsions using fluorescence spectroscopySCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Apr 27, 2010·16 cites·28 claims
- 0578US8805614B2Downhole sample analysis methodANDREWS A BALLARD·Filed 2010·Granted Aug 12, 2014·9 cites·35 claims
- 0675US9759830B2Method and apparatus for determining mud contamination of formation fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Sep 12, 2017·3 cites·24 claims
- 0772US9513213B2System and method of determining rock properties using terahertz-band dielectric measurementsCHIEFFO LOGAN·Filed 2013·Granted Dec 6, 2016·3 cites·30 claims
- 0854US9359883B2Zonal compositional production rates in commingled gas wellsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jun 7, 2016·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →