Inventor · disambiguated record
John Rasmus
Also filed as: RASMUS JOHN · RASMUS JOHN C
47 granted patents·6 pending applications·511 citations·filing 1988–2025
98Inventor score
Top patents by PatentIndex Score
53 records- 0195US12163413B1Dielectric-based geosteeringSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Granted Dec 10, 2024·5 cites·20 claims
- 0293US8484858B2Wall contact caliper instruments for use in a drill stringBRANNIGAN JAMES C·Filed 2011·Granted Jul 16, 2013·39 cites·18 claims
- 0390US8965703B2Applications based on fluid properties measured downholePRAKASH ANKUR·Filed 2011·Granted Feb 24, 2015·24 cites·12 claims
- 0489US8899349B2Methods for determining formation strength of a wellboreRASMUS JOHN C·Filed 2012·Granted Dec 2, 2014·15 cites·20 claims
- 0589US4833914APore pressure formation evaluation while drillingANADRILL INC·Filed 1988·Granted May 30, 1989·85 cites·15 claims
- 0686US5368108AOptimized drilling with positive displacement drilling motorsSCHLUMBERGER TECHNOLOGY CORP·Filed 1993·Granted Nov 29, 1994·92 cites·18 claims
- 0784US8442769B2Method of determining and utilizing high fidelity wellbore trajectoryPHILLIPS WAYNE J·Filed 2008·Granted May 14, 2013·33 cites·23 claims
- 0883US6885942B2Method to detect and visualize changes in formation parameters and borehole conditionSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Apr 26, 2005·51 cites·23 claims
- 0982US4949575AFormation volumetric evaluation while drillingANADRILL INC·Filed 1989·Granted Aug 21, 1990·61 cites·13 claims
- 1081US11520070B2Effective medium theory of acidized carbonate matrix resistivity employed to calculate the apparent geometric parameters of the wormholesSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Dec 6, 2022·2 cites·18 claims
- 1181US10067257B2Multi-frequency electromagnetic tensor measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Sep 4, 2018·2 cites·24 claims
- 1280US11340375B2Multi-frequency electromagnetic tensor measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted May 24, 2022·1 cites·9 claims
- 1380US10036827B2Petrophysically-consistent calibration of full-tensor electromagnetic induction toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jul 31, 2018·2 cites·13 claims
- 1480US9134451B2Interval density pressure management methodsRASMUS JOHN·Filed 2012·Granted Sep 15, 2015·4 cites·16 claims
- 1580US2025298168A1Augmented geological service characterizationSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 1679US9394783B2Methods for evaluating inflow and outflow in a subterranean wellboreRASMUS JOHN·Filed 2012·Granted Jul 19, 2016·6 cites·10 claims
- 1778US9404327B2Methods for evaluating borehole volume changes while drillingRASMUS JOHN·Filed 2012·Granted Aug 2, 2016·5 cites·20 claims
- 1877US11346833B2Reservoir fluid characterization systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted May 31, 2022·2 cites·17 claims
- 1977US10386529B2Subsurface estimation of level of organic maturitySCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Aug 20, 2019·2 cites·16 claims
- 2077US10053979B2Characterization of non-radioactive laced cement using logging while drilling and wireline nuclear measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Aug 21, 2018·4 cites·20 claims
- 2175US11150373B2Determining dielectric constant and resistivity with induction measurementSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Oct 19, 2021·1 cites·15 claims
- 2274US12320943B2Augmented geological service characterizationSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Granted Jun 3, 2025·0 cites·8 claims
- 2372US10360282B2Method and apparatus for evaluation of hydrocarbon-bearing reservoirsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jul 23, 2019·2 cites·15 claims
- 2472US9835025B2Downhole assembly employing wired drill pipeSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Dec 5, 2017·2 cites·11 claims
- 2571US11048012B2Formation characterization systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Jun 29, 2021·1 cites·20 claims
- 2671US9765583B2Interval density pressure management methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Sep 19, 2017·1 cites·11 claims
- 2771US9228430B2Methods for evaluating cuttings density while drillingRASMUS JOHN·Filed 2012·Granted Jan 5, 2016·5 cites·24 claims
- 2870US8024868B2Wall contact caliper instruments for use in a drill stringSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Sep 27, 2011·11 cites·19 claims
- 2969US8857510B2System and method for determining movement of a drilling component in a wellboreRASMUS JOHN·Filed 2010·Granted Oct 14, 2014·4 cites·16 claims
- 3068US11520075B2Augmented geological service characterizationSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Dec 6, 2022·0 cites·20 claims
- 3166US10451769B2Method for determining petrophysical properties from logging measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Oct 22, 2019·1 cites·20 claims
- 3262US9869792B2Inversion-based workflow for processing nuclear density images in high-angle and horizontal wellsSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Jan 16, 2018·1 cites·22 claims
- 3362US8645068B2Method and apparatus for determining formation and fluid propertiesEVANS MICHAEL·Filed 2009·Granted Feb 4, 2014·0 cites·16 claims
- 3461US8473212B2Log processing in highly deviated wellboresRASMUS JOHN C·Filed 2010·Granted Jun 25, 2013·2 cites·36 claims
- 3560US10809416B2Inversion-based workflow for processing nuclear density images in high-angle and horizontal wellsSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Oct 20, 2020·0 cites·20 claims
- 3660US9175559B2Identification of casing collars while drilling and post drilling using LWD and wireline measurementsDOWLA NAJMUD·Filed 2009·Granted Nov 3, 2015·9 cites·17 claims
- 3758US12025765B2Method for saturation evaluation of graphitic kerogen bearing formationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Jul 2, 2024·0 cites·20 claims
- 3857US9091781B2Method for estimating formation permeability using time lapse measurementsALTMAN RAPHAEL·Filed 2009·Granted Jul 28, 2015·3 cites·22 claims
- 3956US9047689B2Method and apparatus for visualizing multi-dimensional well logging data with shapeletsSTOLTE CHRISTIAN·Filed 2009·Granted Jun 2, 2015·3 cites·26 claims
- 4055US11747508B2Systems and methods for determining properties of porous, fluid-filled geological formations based on multi-frequency measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Sep 5, 2023·0 cites·12 claims
- 4154US11774631B2Geologic formation neutron porosity systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Oct 3, 2023·0 cites·20 claims
- 4253US11822038B2Systems and methods for determining properties of porous, fluid-filled geological formations based on multi-frequency measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Nov 21, 2023·0 cites·11 claims
- 4353US10330618B2Method to estimate water saturation in electromagnetic measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Jun 25, 2019·0 cites·8 claims
- 4453US5654503AMethod and apparatus for improved measurement of drilling conditionsSCHLUMBERGER TECHNOLOGY CORP·Filed 1996·Granted Aug 5, 1997·30 cites·25 claims
- 4551US10190407B2Methods for evaluating inflow and outflow in a subterraean wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Jan 29, 2019·0 cites·13 claims
- 4647US2015176402A1Applications Based On Fluid Properties Measured DownholeSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
- 4745US2016053608A1Identification of Casing Collars While Drilling and Post Drilling Using LWD and Wireline MeasurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
- 4844US9593571B2Determining correct drill pipe length and formation depth using measurements from repeater subs of a wired drill pipe systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Mar 14, 2017·0 cites·19 claims
- 4939US10466375B2Automatic method for three-dimensional structural interpretation of borehole images acquired in high-angle and horizontal wellsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Nov 5, 2019·0 cites·18 claims
- 5036US9920618B2Systems and methods for obtaining apparent formation dip using measurements of different effective penetration lengthCHEVRON USA INC·Filed 2016·Granted Mar 20, 2018·0 cites·17 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →