Invention Application
- Patent Title: Methods of Investigating Formation Samples Using NMR Data
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Application No.: US15943787Application Date: 2018-04-03
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Publication No.: US20190011517A1Publication Date: 2019-01-10
- Inventor: Lalitha Venkataramanan , Fred K. Gruber , Tarek M. Habashy , Ridvan Akkurt , Badarinadh Vissapragada , Richard E. Lewis , Erik Rylander
- Applicant: Schlumberger Technology Corporation
- Main IPC: G01R33/54
- IPC: G01R33/54 ; G01R33/44 ; G01N24/08 ; G01V3/38 ; G01V3/14 ; G01V3/32

Abstract:
A methods are provided for investigating a sample containing hydrocarbons by subjecting the sample to a nuclear magnetic resonance (NMR) sequence using NMR equipment, using the NMR equipment to detect signals from the sample in response to the NMR sequence, analyzing the signals to extract a distribution of relaxation times (or diffusions), and computing a value for a parameter of the sample as a function of at least one of the relaxation times (or diffusions), wherein the computing utilizes a correction factor that modifies the value for the parameter as a function of relaxation time for at least short relaxation times (or as a function of diffusion for at least large diffusion coefficients).
Public/Granted literature
- US10802099B2 Methods of investigating formation samples using NMR data Public/Granted day:2020-10-13
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