Inventor · disambiguated record
Donald C. Mckeon
Also filed as: MCKEON DONALD · MCKEON DONALD C · MCKEON DONALD CHARLES
11 granted patents·398 citations·filing 1989–2018
93Inventor score
Top patents by PatentIndex Score
11 records- 0195US10466384B2Techniques for determining formation composition from measured nuclear spectraWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Nov 5, 2019·11 cites·11 claims
- 0294US6850317B2Apparatus and methods for determining velocity of oil in a flow streamSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Feb 1, 2005·109 cites·21 claims
- 0392US4937446ACarbon/oxygen well logging method and apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Jun 26, 1990·83 cites·35 claims
- 0477US6489763B1Magnet assembly for nuclear magnetic resonance well logging toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Dec 3, 2002·17 cites·15 claims
- 0571US6133734AMethod and apparatus for evaluating an earth formation using nuclear magnetic resonance techiquesSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Oct 17, 2000·36 cites·16 claims
- 0661US5841135AMethod and apparatus for measuring formation density and the formation photo-electric factor with a multi-detector gamma-gamma toolSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Nov 24, 1998·37 cites·23 claims
- 0757US5045693ACarbon/oxygen well logging method and apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1990·Granted Sep 3, 1991·26 cites·8 claims
- 0856US5219518ANuclear oxygen activation method and apparatus for detecting and quantifying water flowSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Jun 15, 1993·32 cites·26 claims
- 0954US5408097AMethod and apparatus for correcting natural gamma ray measurements for borehole fluid effectsSCHLUMBERGER TECHNOLOGY CORP·Filed 1993·Granted Apr 18, 1995·23 cites·18 claims
- 1050US5053620ALogging apparatus and method for determining concentrations of subsurface formation elementsSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Oct 1, 1991·15 cites·22 claims
- 1146US7298147B2Device and process for determination of the resistivity of a formation surrounding a cased boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Nov 20, 2007·9 cites·4 claims
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