Inventor · disambiguated record
Bernhard Lungwitz
Also filed as: LUNGWITZ BERNHARD · LUNGWITZ BERNHARD R · LUNGWITZ BERNHARD RUDOLF
19 granted patents·11 pending applications·429 citations·filing 2001–2020
94Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP25LI LEIMING2AHRENST ALEX1FEDOROV ANDREY1GARCIA-LOPEZ DE VICTORIA MARIELIZ1
Top patents by PatentIndex Score
30 records- 0196US11427753B2Method of making rod-shaped particles for use as proppant and anti-flowback additiveSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Aug 30, 2022·4 cites·20 claims
- 0296US6881709B2Viscosity reduction of viscoelastic surfactant based fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Apr 19, 2005·199 cites·23 claims
- 0393US10421897B2Method of treating a well with the formation of proppant structures (variants)SCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Sep 24, 2019·25 cites·19 claims
- 0492US7299870B2Self diverting matrix acidSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Nov 27, 2007·23 cites·13 claims
- 0591US9896618B2Method of making rod-shaped particles for use as proppant and anti-flowback additiveSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Feb 20, 2018·7 cites·17 claims
- 0690US6762154B2Viscoelastic surfactant fluids stable at high brine concentrationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jul 13, 2004·71 cites·18 claims
- 0789US7350572B2Methods for controlling fluid lossSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Apr 1, 2008·65 cites·16 claims
- 0888US10369724B2Method of making spheroidal particlesSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Aug 6, 2019·4 cites·15 claims
- 0985US10808497B2Methods of zonal isolation and treatment diversionSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Oct 20, 2020·5 cites·23 claims
- 1082US9932519B2Method of making particles having a ridge portion for use as proppantSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Apr 3, 2018·2 cites·10 claims
- 1182US9034802B2Friction reduction fluidsAHRENST ALEX·Filed 2007·Granted May 19, 2015·18 cites·35 claims
- 1267US11008844B2Method for hydraulic fracturing (variants)SCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted May 18, 2021·1 cites·13 claims
- 1362US11319476B2Cellulose nanofibers in extended cement systemsSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted May 3, 2022·0 cites·17 claims
- 1461US10557079B2Method of making rod-shaped particles for use as proppant and anti-flowback additiveSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Feb 11, 2020·0 cites·12 claims
- 1559US2018223176A1Method of making particles having a ridge portion for use as proppantSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Application pending·0 cites
- 1655US9556703B2Swellable elastomer and its use in acidizing or matrix stimulationSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Jan 31, 2017·1 cites·18 claims
- 1753US10040985B2Compositons and methods for curing lost circulationSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Aug 7, 2018·0 cites·17 claims
- 1851US10391679B2Perforated membranes and methods of making the sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Aug 27, 2019·0 cites·16 claims
- 1951US2022074294A1Methods of forming near wellbore barriers and reducing backwashing of proppantsSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Application pending·0 cites
- 2050US7776796B2Methods of treating wellbores with recyclable fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Aug 17, 2010·4 cites·24 claims
- 2149US2016102242A1Treatment fluid and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
- 2248US2019309211A1Cellulose nanofibers in extended cement systemsSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Application pending·0 cites
- 2346US2013310285A1Treatment fluid and methodFEDOROV ANDREY·Filed 2012·Application pending·0 cites
- 2445US9611716B2Compositions and methods for reducing fluid lossSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Apr 4, 2017·0 cites·16 claims
- 2545US2011166050A1Treatment and reuse of oilfield produced waterLI LEIMING·Filed 2011·Application pending·0 cites
- 2643US2009038799A1System, Method, and Apparatus for Combined Fracturing Treatment and Scale InhibitionGARCIA-LOPEZ DE VICTORIA MARIELIZ·Filed 2008·Application pending·0 cites
- 2741US2008287323A1Treatment and Reuse of Oilfield Produced WaterLI LEIMING·Filed 2007·Application pending·0 cites
- 2838US2013168096A1Additive to Fluid for The Treatment of Subterranean Formation and A Method for Treating Subterranean FormationSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Application pending·0 cites
- 2937US2014110114A1Methods for Maintaining Zonal Isolation in A Subterranean WellSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Application pending·0 cites
- 3030US2018135399A1A method for treating wells with a plurality of perforated intervals (variants)SCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →