Inventor · disambiguated record
Marcus Oliver Wigand
Also filed as: WIGAND MARCUS · WIGAND MARCUS O · WIGAND MARCUS OLIVER
16 granted patents·5 pending applications·345 citations·filing 2007–2025
94Inventor score
Files withCHEVRON USA INC9WIGAND MARCUS OLIVER8KLINGLER ROBERT J1LOONEY MARK DEAN1THOMAS DAVID GLYNN1
Top patents by PatentIndex Score
21 records- 0198US8936089B2In-situ kerogen conversion and recoveryWIGAND MARCUS OLIVER·Filed 2011·Granted Jan 20, 2015·40 cites·48 claims
- 0297US8839860B2In-situ Kerogen conversion and product isolationWIGAND MARCUS OLIVER·Filed 2011·Granted Sep 23, 2014·32 cites·27 claims
- 0396US9133398B2In-situ kerogen conversion and recyclingWIGAND MARCUS OLIVER·Filed 2011·Granted Sep 15, 2015·23 cites·21 claims
- 0496US8851177B2In-situ kerogen conversion and oxidant regenerationWIGAND MARCUS OLIVER·Filed 2011·Granted Oct 7, 2014·40 cites·35 claims
- 0596US7500517B2Kerogen extraction from subterranean oil shale resourcesCHEVRON USA INC·Filed 2007·Granted Mar 10, 2009·53 cites·14 claims
- 0695US7789164B2Kerogen extraction from subterranean oil shale resourcesCHEVRON USA INC·Filed 2009·Granted Sep 7, 2010·44 cites·12 claims
- 0794US9033033B2Electrokinetic enhanced hydrocarbon recovery from oil shaleTHOMAS DAVID GLYNN·Filed 2011·Granted May 19, 2015·30 cites·34 claims
- 0893US10197489B2Processes and systems for characterizing and optimizing fracturing fluidsCHEVRON USA INC·Filed 2016·Granted Feb 5, 2019·16 cites·23 claims
- 0993US8701788B2Preconditioning a subsurface shale formation by removing extractible organicsWIGAND MARCUS O·Filed 2011·Granted Apr 22, 2014·33 cites·16 claims
- 1093US8104536B2Kerogen extraction from subterranean oil shale resourcesLOONEY MARK DEAN·Filed 2010·Granted Jan 31, 2012·27 cites·27 claims
- 1191US10677706B2Processes and systems for characterizing and optimizing fracturing fluidsCHEVRON USA INC·Filed 2018·Granted Jun 9, 2020·6 cites·31 claims
- 1278US2025327941A1Stratigraphic methodsCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 1378US2025327942A1Stratigraphic methodsCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 1472US8997869B2In-situ kerogen conversion and product upgradingWIGAND MARCUS OLIVER·Filed 2011·Granted Apr 7, 2015·1 cites·25 claims
- 1566US12497849B2Pressurized reservoir core sample transfer tool systemCHEVRON USA INC·Filed 2023·Granted Dec 16, 2025·0 cites·20 claims
- 1663US2023243992A1Stratigraphic methodsCHEVRON USA INC·Filed 2020·Application pending·0 cites
- 1749US2024295170A1Calibration for mudloggingCHEVRON USA INC·Filed 2023·Application pending·0 cites
- 1848US2013326934A1Soluble acids from naturally occurring aqueous streamsWIGAND MARCUS OLIVER·Filed 2012·Application pending·0 cites
- 1945US9291690B2System and method for determining molecular structures in geological formationsWIGAND MARCUS OLIVER·Filed 2012·Granted Mar 22, 2016·0 cites·6 claims
- 2045US8992771B2Isolating lubricating oils from subsurface shale formationsWIGAND MARCUS OLIVER·Filed 2012·Granted Mar 31, 2015·0 cites·27 claims
- 2134US9181467B2Preparation and use of nano-catalysts for in-situ reaction with kerogenKLINGLER ROBERT J·Filed 2011·Granted Nov 10, 2015·0 cites·50 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →