Inventor · disambiguated record
Matthias Appel
Also filed as: APPEL MATTHIAS
10 granted patents·5 pending applications·199 citations·filing 2002–2020
88Inventor score
Top patents by PatentIndex Score
15 records- 0191US7872474B2Magnetic resonance based apparatus and method to analyze and to measure the bi-directional flow regime in a transport or a production conduit of complex fluids, in real time and real flow-rateSHELL OIL CO·Filed 2007·Granted Jan 18, 2011·31 cites·12 claims
- 0291US6856132B2Method and apparatus for subterranean formation flow imagingSHELL OIL CO·Filed 2002·Granted Feb 15, 2005·138 cites·17 claims
- 0385US8212557B2Method for analyzing a multi-phase fluidPUSIOL DANIEL·Filed 2011·Granted Jul 3, 2012·8 cites·20 claims
- 0473US11879825B2Method for digitally characterizing the permeability of rockSHELL OIL CO·Filed 2019·Granted Jan 23, 2024·1 cites·16 claims
- 0573US11119025B2Method for characterizing the porosity of rockSHELL OIL CO·Filed 2019·Granted Sep 14, 2021·1 cites·9 claims
- 0673US10234314B2Nuclear magnetic flowmeter and method for operating nuclear magnetic flowmetersKROHNE AG·Filed 2014·Granted Mar 19, 2019·2 cites·19 claims
- 0765US10481291B2Chemically-selective imager for imaging fluid of a subsurface formation and method of using sameSHELL OIL CO·Filed 2017·Granted Nov 19, 2019·2 cites·12 claims
- 0857US10001395B2Method of interpreting NMR signals to give multiphase fluid flow measurements for a gas/liquid systemSHELL OIL CO·Filed 2014·Granted Jun 19, 2018·1 cites·8 claims
- 0957US8441256B2Method for analyzing a multi-phase fluidPUSIOL DANIEL·Filed 2012·Granted May 14, 2013·1 cites·12 claims
- 1050US6897652B2NMR flow measurement while drillingSHELL OIL CO·Filed 2003·Granted May 24, 2005·14 cites·18 claims
- 1140US2022404330A1Method for estimating hydrocarbon saturation of a rockSHELL OIL CO·Filed 2020·Application pending·0 cites
- 1237US2018356556A1Scintillating gamma ray spectrometer and its use in mud logging systemSHELL OIL CO·Filed 2018·Application pending·0 cites
- 1337US2018239051A1Scintillating gamma ray specrometer and its use in mud logging systemSHELL OIL CO·Filed 2018·Application pending·0 cites
- 1433US2009296086A1Terahertz analysis of a fluid from an earth formation using a downhole toolAPPEL MATTHIAS·Filed 2007·Application pending·0 cites
- 1526US2013048279A1Systems and methods for producing oil and/or gasAPPEL MATTHIAS·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →