Inventor · disambiguated record
Charles R. Case
Also filed as: CASE CHARLES · CASE CHARLES R
7 granted patents·172 citations·filing 1991–2012
86Inventor score
Top patents by PatentIndex Score
7 records- 0180US5390115ACompensated gamma-gamma density sonde using three detectorsSCHLUMBERGER TECHNOLOGY CORP·Filed 1993·Granted Feb 14, 1995·57 cites·8 claims
- 0280US5334833ASensitivity function technique for modeling nuclear toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Aug 2, 1994·57 cites·6 claims
- 0378US7148471B2Well logging apparatus and method for measuring formation propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Dec 12, 2006·41 cites·53 claims
- 0457US10422920B2Formation characterization for fast forward neutron modelsELLIS DARWIN V·Filed 2012·Granted Sep 24, 2019·2 cites·20 claims
- 0555US8321131B2Radial density information from a Betatron density sondeCASE CHARLES R·Filed 2007·Granted Nov 27, 2012·6 cites·17 claims
- 0649US8063356B1Method of extracting formation density and Pe using a pulsed accelerator based litho-density toolZHOU TONG·Filed 2007·Granted Nov 22, 2011·2 cites·46 claims
- 0744US7112783B2Neutron measurement method for determining porosity of a formation surrounding a boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Sep 26, 2006·7 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →