Inventor · disambiguated record
Cosan Ayan
Also filed as: AYAN COSAN
37 granted patents·2 pending applications·348 citations·filing 2002–2021
97Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP32AYAN COSAN3BAKER ANDREW CHARLES1VAN HAL RONALD E G1VASQUES RICARDO1
Top patents by PatentIndex Score
39 records- 0196US9051822B2Formation treatment evaluationAYAN COSAN·Filed 2009·Granted Jun 9, 2015·88 cites·18 claims
- 0291US11768191B2Methods and systems for estimation of oil formation volume factorSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Sep 26, 2023·2 cites·18 claims
- 0391US8283174B2Formation fluid sampling tools and methods utilizing chemical heatingVAN HAL RONALD E G·Filed 2011·Granted Oct 9, 2012·16 cites·38 claims
- 0490US10626721B2System and method for controlled pumping in a downhole sampling toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Apr 21, 2020·6 cites·8 claims
- 0589US9845673B2System and method for controlled pumping in a downhole sampling toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Dec 19, 2017·11 cites·8 claims
- 0686US7725302B2Method and system and program storage device for generating an SWPM-MDT workflow in response to a user objective and executing the workflow to produce a reservoir response modelSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted May 25, 2010·64 cites·20 claims
- 0784US9422811B2Packer tool including multiple port configurationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Aug 23, 2016·8 cites·17 claims
- 0884US7886825B2Formation fluid sampling tools and methods utilizing chemical heatingSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Feb 15, 2011·22 cites·34 claims
- 0984US7614294B2Systems and methods for downhole fluid compatibilitySCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Nov 10, 2009·24 cites·14 claims
- 1082US9534481B2Formation treatment evaluationSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jan 3, 2017·3 cites·18 claims
- 1182US8720552B2Tool and method for determining formation parameterAYAN COSAN·Filed 2011·Granted May 13, 2014·7 cites·26 claims
- 1278US10228325B2Downhole fluid analysis method and apparatus for determining viscositySCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Mar 12, 2019·3 cites·13 claims
- 1377US11692991B2Methods and systems for correction of oil-based mud filtrate contamination on saturation pressureSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Jul 4, 2023·0 cites·5 claims
- 1477US7913557B2Adjustable testing tool and method of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Mar 29, 2011·16 cites·7 claims
- 1573US9347299B2Packer tool including multiple portsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted May 24, 2016·4 cites·20 claims
- 1671US6729400B2Method for validating a downhole connate water sampleSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted May 4, 2004·41 cites·18 claims
- 1768US10316655B2Method and apparatus for consistent and robust fitting in oil based mud filtrate contamination monitoring from multiple downhole sensorsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jun 11, 2019·3 cites·9 claims
- 1867US11280191B2Method for characterization of hydrocarbon reservoirsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Mar 22, 2022·3 cites·25 claims
- 1966US8297354B2Tool and method for determining formation parameterAYAN COSAN·Filed 2008·Granted Oct 30, 2012·8 cites·23 claims
- 2065US11230924B2Interpretation of pressure test dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Jan 25, 2022·1 cites·20 claims
- 2165US9316083B2Adjustable testing tool and method of useVASQUES RICARDO·Filed 2011·Granted Apr 19, 2016·3 cites·16 claims
- 2265US8939033B2Flow meter system and method for measuring an amount of liquid in a largely gaseous multiphase flowBAKER ANDREW CHARLES·Filed 2011·Granted Jan 27, 2015·3 cites·20 claims
- 2363US11280188B2System and method for controlled pumping in a downhole sampling toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Mar 22, 2022·0 cites·10 claims
- 2462US11187693B2Methods and systems for correction of oil-based mud filtrate contamination on saturation pressureSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Nov 30, 2021·0 cites·12 claims
- 2562US10352162B2Cleanup model parameterization, approximation, and sensitivitySCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Jul 16, 2019·1 cites·20 claims
- 2660US10746017B2Reservoir fluid geodynamic system and method for reservoir characterization and modelingSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Aug 18, 2020·1 cites·13 claims
- 2759US7999542B2Method for determining formation parameterSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Aug 16, 2011·4 cites·9 claims
- 2858US10358917B2Generating relative permeabilities and capillary pressuresSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jul 23, 2019·1 cites·20 claims
- 2958US10100631B2Method of testing a barrier in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Oct 16, 2018·1 cites·11 claims
- 3057US10444402B2Automatic fluid coding and hydraulic zone determinationSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Oct 15, 2019·2 cites·25 claims
- 3154US10371690B2Methods and systems for correction of oil-based mud filtrate contamination on saturation pressureSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Aug 6, 2019·0 cites·6 claims
- 3250US12037898B2System and method for evaluating static elastic modulus of subterranean formationSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Jul 16, 2024·0 cites·12 claims
- 3347US10024755B2Systems and methods for sample characterizationSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jul 17, 2018·0 cites·11 claims
- 3444US9759059B2Detection of permeability anisotropy in the horizontal plane with a formation testing toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Sep 12, 2017·0 cites·11 claims
- 3543US2015176405A1Packer Tool Including Multiple Ports For Selective Guarding And SamplingSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 3642US9291027B2Packer and packer outer layerSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Mar 22, 2016·0 cites·13 claims
- 3740US10533415B2Formation sampling methods and systemsSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Jan 14, 2020·0 cites·20 claims
- 3838US2008066535A1Adjustable Testing Tool and Method of UseSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 3936US8120357B2Method and system for fluid characterization of a reservoirWICHERS WICHER·Filed 2009·Granted Feb 21, 2012·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →