Inventor · disambiguated record
Julian Pop
Also filed as: POP JULIAN · POP JULIAN J
109 granted patents·6 pending applications·2,785 citations·filing 1988–2024
99Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP88POP JULIAN J7VILLAREAL STEVEN4DANIEL PIERRE J2RAMSHAW SYLVAIN2
Top patents by PatentIndex Score
115 records- 0197US7673679B2Protective barriers for small devicesSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Mar 9, 2010·155 cites·16 claims
- 0297US4936139ADown hole method for determination of formation propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Jun 26, 1990·470 cites·7 claims
- 0397US4860581ADown hole tool for determination of formation propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 1988·Granted Aug 29, 1989·565 cites·28 claims
- 0496US7654321B2Formation fluid sampling apparatus and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Feb 2, 2010·104 cites·26 claims
- 0596US6518758B1Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Feb 11, 2003·81 cites·18 claims
- 0695US8714246B2Downhole measurement of formation characteristics while drillingPOP JULIAN J·Filed 2009·Granted May 6, 2014·50 cites·17 claims
- 0794US7458257B2Downhole measurement of formation characteristics while drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Dec 2, 2008·43 cites·34 claims
- 0893US7081615B2Methods and apparatus for the downhole characterization of formation fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jul 25, 2006·57 cites·8 claims
- 0993US6528995B1Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Mar 4, 2003·60 cites·33 claims
- 1092US6729399B2Method and apparatus for determining reservoir characteristicsSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted May 4, 2004·113 cites·28 claims
- 1191US7805247B2System and methods for well data compressionSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Sep 28, 2010·33 cites·33 claims
- 1291US7581440B2Apparatus and methods to perform downhole measurements associated with subterranean formation evaluationSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Sep 1, 2009·29 cites·21 claims
- 1390US9453408B2System and method for estimating oil formation volume factor downholeSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Sep 27, 2016·4 cites·18 claims
- 1490US7752906B2Downhole measurement of formation characteristics while drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Jul 13, 2010·27 cites·24 claims
- 1590US6531869B1Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Mar 11, 2003·46 cites·16 claims
- 1689US8912000B2Downhole mass spectrometric hydrocarbon determination in presence of electron and chemical ionizationDANIEL PIERRE J·Filed 2009·Granted Dec 16, 2014·13 cites·20 claims
- 1789US8061444B2Methods and apparatus to form a wellMULLINS OLIVER C·Filed 2008·Granted Nov 22, 2011·40 cites·30 claims
- 1889US6538438B1Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Mar 25, 2003·44 cites·20 claims
- 1988US9109434B2System and method for estimating oil formation volume factor downholeSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Aug 18, 2015·7 cites·16 claims
- 2088US7680600B2Method, system and apparatus for formation tester data processingSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Mar 16, 2010·19 cites·19 claims
- 2188US7222671B2Apparatus and method for formation evaluationSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted May 29, 2007·46 cites·32 claims
- 2288US6832515B2Method for measuring formation properties with a time-limited formation testSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Dec 21, 2004·52 cites·21 claims
- 2387US8931548B2Modular connector and methodPARTOUCHE ASHERS·Filed 2011·Granted Jan 13, 2015·10 cites·20 claims
- 2486US12371992B2Automated analysis of pressure dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Granted Jul 29, 2025·2 cites·15 claims
- 2586US9932824B2Compression and transmission of measurements from downhole toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Apr 3, 2018·5 cites·13 claims
- 2686US9733389B2Multi-sensor contamination monitoringSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Aug 15, 2017·7 cites·20 claims
- 2786US9416655B2Modular connectorSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Aug 16, 2016·4 cites·18 claims
- 2886US9347314B2System and method for quantifying uncertainty of predicted petroleum fluid propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted May 24, 2016·9 cites·20 claims
- 2986US9322267B2Downhole sampling of compressible fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Apr 26, 2016·10 cites·8 claims
- 3086US8056408B2Downhole measurement of formation characteristics while drillingPOP JULIAN J·Filed 2008·Granted Nov 15, 2011·22 cites·27 claims
- 3185US6956204B2Determining fluid properties from fluid analyzerSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Oct 18, 2005·74 cites·30 claims
- 3284US9181771B2Packer assembly with enhanced sealing layer shapeSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Nov 10, 2015·8 cites·19 claims
- 3384US7845405B2Formation evaluation while drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Dec 7, 2010·20 cites·3 claims
- 3484US6642715B2Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Nov 4, 2003·35 cites·38 claims
- 3582US10309885B2Method and apparatus for water-based mud filtrate contamination monitoring in real time downhole water samplingSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jun 4, 2019·4 cites·12 claims
- 3682US8757986B2Adaptive pump control for positive displacement pump failure modesVILLAREAL STEVEN·Filed 2011·Granted Jun 24, 2014·6 cites·20 claims
- 3781US10746019B2Method to estimate saturation pressure of flow-line fluid with its associated uncertainty during sampling operations downhole and application thereofSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Aug 18, 2020·3 cites·18 claims
- 3881US9581019B2Measurement pretest drawdown methods and apparatusCHANG YONG·Filed 2011·Granted Feb 28, 2017·9 cites·17 claims
- 3980US8550184B2Formation coring apparatus and methodsBUCHANAN STEVEN E·Filed 2010·Granted Oct 8, 2013·8 cites·14 claims
- 4080US7878243B2Method and apparatus for sampling high viscosity formation fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Feb 1, 2011·19 cites·15 claims
- 4179US9416606B2While drilling valve systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Aug 16, 2016·5 cites·17 claims
- 4279US8726988B2Focused sampling of formation fluidsPOP JULIAN J·Filed 2012·Granted May 20, 2014·5 cites·10 claims
- 4378US10241030B2Optical spectrometer and downhole spectrometry methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Mar 26, 2019·4 cites·4 claims
- 4478US8162052B2Formation tester with low flowline volume and method of use thereofGOODWIN ANTHONY R H·Filed 2009·Granted Apr 24, 2012·15 cites·21 claims
- 4578US7841406B2Formation fluid sampling apparatus and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Nov 30, 2010·14 cites·1 claims
- 4678US7779684B2Apparatus and methods to perform downhole measurements associated with subterranean formation evaluationSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Aug 24, 2010·12 cites·6 claims
- 4777US9334724B2System and method for operating a pump in a downhole toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted May 10, 2016·5 cites·3 claims
- 4876US10184315B2While drilling valve systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Jan 22, 2019·2 cites·9 claims
- 4976US9822776B2Detecting and compensating for the effects of pump half-strokingSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Nov 21, 2017·2 cites·18 claims
- 5076US7290443B2Method for measuring formation properties with a time-limited formation testSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Nov 6, 2007·27 cites·1 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →