Inventor · disambiguated record
John Lassek
Also filed as: LASSEK JOHN
14 granted patents·1 pending application·475 citations·filing 2005–2015
94Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP6CLARK WILLIAM ERNEST2AHRENST ALEX1BONEY CURTIS L1LUHARUKA RAJESH1
Top patents by PatentIndex Score
15 records- 0198US7380600B2Degradable material assisted diversion or isolationSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jun 3, 2008·125 cites·25 claims
- 0297US7775278B2Degradable material assisted diversion or isolationSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Aug 17, 2010·81 cites·32 claims
- 0396US8167043B2Degradable material assisted diversion or isolationWILLBERG DEAN M·Filed 2008·Granted May 1, 2012·58 cites·27 claims
- 0494US8646529B2Method and system for treating a subterranean formation using diversionCLARK WILLIAM ERNEST·Filed 2012·Granted Feb 11, 2014·43 cites·20 claims
- 0593US7934556B2Method and system for treating a subterranean formation using diversionSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted May 3, 2011·51 cites·13 claims
- 0691US8220543B2Method and system for treating a subterranean formation using diversionCLARK WILLIAM ERNEST·Filed 2011·Granted Jul 17, 2012·19 cites·44 claims
- 0787US9447673B2Methods for providing proppant slugs in fracturing treatmentsMEDVEDEV ANATOLY VLADIMIROVICH·Filed 2010·Granted Sep 20, 2016·17 cites·16 claims
- 0884US8127844B2Method for oilfield material deliveryLUHARUKA RAJESH·Filed 2009·Granted Mar 6, 2012·25 cites·21 claims
- 0982US9034802B2Friction reduction fluidsAHRENST ALEX·Filed 2007·Granted May 19, 2015·18 cites·35 claims
- 1079US8936085B2Sealing by ball sealersBONEY CURTIS L·Filed 2008·Granted Jan 20, 2015·26 cites·13 claims
- 1171US9212535B2Diversion by combining dissolvable and degradable particles and fibersTIPPEL PHILIPP·Filed 2011·Granted Dec 15, 2015·4 cites·21 claims
- 1268US8960293B2Method of propping agent delivery to the wellMEDVEDEV OLEG OLEGOVICH·Filed 2007·Granted Feb 24, 2015·8 cites·7 claims
- 1351US9797232B2Method of propping agent delivery to the wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Oct 24, 2017·0 cites·5 claims
- 1448US9316087B2Sealing by ball sealersSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Apr 19, 2016·0 cites·11 claims
- 1539US2009084553A1Sliding sleeve valve assembly with sand screenSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →