Inventor
AYAN COSAN
TR37 patents
⚠️ This page may combine multiple inventors who share the name “AYAN COSAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
30 patentsUS7725302B2May 25, 2010
Method 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 model
SCHLUMBERGER TECHNOLOGY CORP64 citations96
US7886825B2Feb 15, 2011
Formation fluid sampling tools and methods utilizing chemical heating
SCHLUMBERGER TECHNOLOGY CORP22 citations92
US7614294B2Nov 10, 2009
Systems and methods for downhole fluid compatibility
SCHLUMBERGER TECHNOLOGY CORP24 citations92
US6729400B2May 4, 2004
Method for validating a downhole connate water sample
SCHLUMBERGER TECHNOLOGY CORP41 citations88
US7913557B2Mar 29, 2011
Adjustable testing tool and method of use
SCHLUMBERGER TECHNOLOGY CORP16 citations87
US10626721B2Apr 21, 2020
System and method for controlled pumping in a downhole sampling tool
SCHLUMBERGER TECHNOLOGY CORP6 citations82
US9845673B2Dec 19, 2017
System and method for controlled pumping in a downhole sampling tool
SCHLUMBERGER TECHNOLOGY CORP11 citations82
US9422811B2Aug 23, 2016
Packer tool including multiple port configurations
SCHLUMBERGER TECHNOLOGY CORP8 citations82
US11280191B2Mar 22, 2022
Method for characterization of hydrocarbon reservoirs
SCHLUMBERGER TECHNOLOGY CORP3 citations72
US10228325B2Mar 12, 2019
Downhole fluid analysis method and apparatus for determining viscosity
SCHLUMBERGER TECHNOLOGY CORP3 citations72
US9534481B2Jan 3, 2017
Formation treatment evaluation
SCHLUMBERGER TECHNOLOGY CORP3 citations72
US10316655B2Jun 11, 2019
Method and apparatus for consistent and robust fitting in oil based mud filtrate contamination monitoring from multiple downhole sensors
SCHLUMBERGER TECHNOLOGY CORP3 citations71
US11768191B2Sep 26, 2023
Methods and systems for estimation of oil formation volume factor
SCHLUMBERGER TECHNOLOGY CORP2 citations70
US9347299B2May 24, 2016
Packer tool including multiple ports
SCHLUMBERGER TECHNOLOGY CORP4 citations70
US10444402B2Oct 15, 2019
Automatic fluid coding and hydraulic zone determination
SCHLUMBERGER TECHNOLOGY CORP2 citations65
US7999542B2Aug 16, 2011
Method for determining formation parameter
SCHLUMBERGER TECHNOLOGY CORP4 citations62
US11230924B2Jan 25, 2022
Interpretation of pressure test data
SCHLUMBERGER TECHNOLOGY CORP1 citations61
US10352162B2Jul 16, 2019
Cleanup model parameterization, approximation, and sensitivity
SCHLUMBERGER TECHNOLOGY CORP1 citations61
US11692991B2Jul 4, 2023
Methods and systems for correction of oil-based mud filtrate contamination on saturation pressure
SCHLUMBERGER TECHNOLOGY CORP0 citations60
US11280188B2Mar 22, 2022
System and method for controlled pumping in a downhole sampling tool
SCHLUMBERGER TECHNOLOGY CORP0 citations60
US11187693B2Nov 30, 2021
Methods and systems for correction of oil-based mud filtrate contamination on saturation pressure
SCHLUMBERGER TECHNOLOGY CORP0 citations60
US10358917B2Jul 23, 2019
Generating relative permeabilities and capillary pressures
SCHLUMBERGER TECHNOLOGY CORP1 citations59
US10746017B2Aug 18, 2020
Reservoir fluid geodynamic system and method for reservoir characterization and modeling
SCHLUMBERGER TECHNOLOGY CORP1 citations58
US12037898B2Jul 16, 2024
System and method for evaluating static elastic modulus of subterranean formation
SCHLUMBERGER TECHNOLOGY CORP0 citations55
US10371690B2Aug 6, 2019
Methods and systems for correction of oil-based mud filtrate contamination on saturation pressure
SCHLUMBERGER TECHNOLOGY CORP0 citations50
US10100631B2Oct 16, 2018
Method of testing a barrier in a wellbore
SCHLUMBERGER TECHNOLOGY CORP1 citations50
US9291027B2Mar 22, 2016
Packer and packer outer layer
SCHLUMBERGER TECHNOLOGY CORP0 citations41
US10533415B2Jan 14, 2020
Formation sampling methods and systems
SCHLUMBERGER TECHNOLOGY CORP0 citations40
US9759059B2Sep 12, 2017
Detection of permeability anisotropy in the horizontal plane with a formation testing tool
SCHLUMBERGER TECHNOLOGY CORP0 citations40
US10024755B2Jul 17, 2018
Systems and methods for sample characterization
SCHLUMBERGER TECHNOLOGY CORP0 citations38