Inventor · disambiguated record
Thomas J. Plona
Also filed as: PLONA THOMAS · PLONA THOMAS J
11 granted patents·1 pending application·747 citations·filing 1979–2008
94Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP11
Top patents by PatentIndex Score
12 records- 0194US4283953AMethod and apparatus for determining a granularity property of a subsurface formation around a boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 1979·Granted Aug 18, 1981·65 cites·28 claims
- 0293US6614716B2Sonic well logging for characterizing earth formationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Sep 2, 2003·96 cites·12 claims
- 0392US5852587AMethod of and apparatus for sonic logging while drilling a borehole traversing an earth formationSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted Dec 22, 1998·117 cites·67 claims
- 0491US6904365B2Methods and systems for determining formation properties and in-situ stressesSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Jun 7, 2005·73 cites·39 claims
- 0591US5521882AMeasurement of formation characteristics using acoustic borehole tool having sources of different frequenciesSCHLUMBERGER TECHNOLOGY CORP·Filed 1994·Granted May 28, 1996·100 cites·20 claims
- 0689US6510389B1Acoustic detection of stress-induced mechanical damage in a borehole wallSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Jan 21, 2003·43 cites·17 claims
- 0789US5796677AMethod of sonic logging while drilling a borehole traversing an earth formationSCHLUMBERGER TECHNOLOGY CORP·Filed 1994·Granted Aug 18, 1998·85 cites·14 claims
- 0884US4628725AApparatus and method for analyzing a fluid that includes a liquid phase, contained in a tubular conduitSCHLUMBERGER TECHNOLOGY CORP·Filed 1985·Granted Dec 16, 1986·74 cites·26 claims
- 0983US7643374B2Slowness-frequency projection display and animationSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Jan 5, 2010·19 cites·23 claims
- 1078US5412990AMethod for measuring cement thickening timesSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted May 9, 1995·49 cites·19 claims
- 1156US5309404AReceiver apparatus for use in logging while drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted May 3, 1994·26 cites·20 claims
- 1234US2005190651A1Slowness-frequency projection display and animationFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →