Inventor · disambiguated record
Ralf Heidler
Also filed as: HEIDLER RALF
9 granted patents·489 citations·filing 1998–2007
91Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP9
Top patents by PatentIndex Score
9 records- 0194US6237404B1Apparatus and method for determining a drilling mode to optimize formation evaluation measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted May 29, 2001·156 cites·59 claims
- 0287US6326784B1Nuclear magnetic resonance logging with azimuthal resolution using gradient coilsSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Dec 4, 2001·97 cites·128 claims
- 0387US6246236B1Apparatus and method for obtaining a nuclear magnetic resonance measurement while drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Jun 12, 2001·83 cites·52 claims
- 0474US6291995B1Apparatus and method for generating a pulse sequenceSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Sep 18, 2001·55 cites·29 claims
- 0571US6808028B2Method and apparatus utilizing NMR measurements to gather information on a property of the earth formation surrounding a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Oct 26, 2004·31 cites·63 claims
- 0659US6714009B2Method for the inversion of CPMG measurements enhanced by often repeated short wait time measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Mar 30, 2004·18 cites·38 claims
- 0757US6956370B2Method for reducing ringing in NMR measurements by combining NMR signals having a spin echo and spurious signal componentSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Oct 18, 2005·16 cites·45 claims
- 0855US6184681B1Apparatus and method for computing a distribution of spin-spin relaxation timesSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Feb 6, 2001·30 cites·22 claims
- 0950US7603237B2Method for analyzing data having shared and distinct propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Oct 13, 2009·3 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →