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Esben Auken

Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data

Research output: Contribution to conference › Paper › Research › peer-review

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Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data. / Grombacher, Denys; Fiandaca, Gianluca; Auken, Esben.
2018. 4914-4918 Paper presented at 88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018, Anaheim, United States.

Research output: Contribution to conference › Paper › Research › peer-review

Harvard

Grombacher, D, Fiandaca, G & Auken, E 2018, 'Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data', Paper presented at 88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018, Anaheim, United States, 14/10/2018 - 19/10/2018 pp. 4914-4918. https://doi.org/10.1190/segam2018-2998133.1

APA

Grombacher, D., Fiandaca, G., & Auken, E. (2018). Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data. 4914-4918. Paper presented at 88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018, Anaheim, United States. https://doi.org/10.1190/segam2018-2998133.1

CBE

Grombacher D, Fiandaca G, Auken E. 2018. Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data. Paper presented at 88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018, Anaheim, United States. https://doi.org/10.1190/segam2018-2998133.1

MLA

Grombacher, Denys, Gianluca Fiandaca, and Esben Auken Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data. 88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018, 14 Oct 2018, Anaheim, United States, Paper, 2018. 5 p. https://doi.org/10.1190/segam2018-2998133.1

Vancouver

Grombacher D, Fiandaca G, Auken E. Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data. 2018. Paper presented at 88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018, Anaheim, United States. doi: 10.1190/segam2018-2998133.1

Author

Grombacher, Denys ; Fiandaca, Gianluca ; Auken, Esben. / Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data. Paper presented at 88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018, Anaheim, United States.5 p.

Bibtex

@conference{9a78d5b0eb934a52b54797f3cd18bad8,
title = "Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data",
abstract = "The free-induction decay (FID) is the most widely implemented surface nuclear magnetic resonance (NMR) experiment. One shortcoming of the FID is that there is often much uncertainty surrounding the meaning of the FID's time dependence - can the FID provide valuable insight into pore-size and permeability or has the signal been contaminated by background magnetic field inhomogeneity? To address this uncertainty, we investigate if an updated surface NMR forward modelling scheme, which involves solution of the full Bloch-equation, can provide the ability to better constrain the link between FIDs and pore-sizes. That is, can the link between the relaxation times T2* and T2 be constrained from FID data alone? A numerical analysis of whether an inversion based on the updated forward model can produce depth profiles of both T2* and T2 from only FID data is presented.",
author = "Denys Grombacher and Gianluca Fiandaca and Esben Auken",
year = "2018",
doi = "10.1190/segam2018-2998133.1",
language = "English",
pages = "4914--4918",
note = "88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018 ; Conference date: 14-10-2018 Through 19-10-2018",

}

RIS

TY - CONF

T1 - Constraining the T2*-T2 relationship in surface nuclear magnetic resonance free-induction decay data

AU - Grombacher, Denys

AU - Fiandaca, Gianluca

AU - Auken, Esben

PY - 2018

Y1 - 2018

N2 - The free-induction decay (FID) is the most widely implemented surface nuclear magnetic resonance (NMR) experiment. One shortcoming of the FID is that there is often much uncertainty surrounding the meaning of the FID's time dependence - can the FID provide valuable insight into pore-size and permeability or has the signal been contaminated by background magnetic field inhomogeneity? To address this uncertainty, we investigate if an updated surface NMR forward modelling scheme, which involves solution of the full Bloch-equation, can provide the ability to better constrain the link between FIDs and pore-sizes. That is, can the link between the relaxation times T2* and T2 be constrained from FID data alone? A numerical analysis of whether an inversion based on the updated forward model can produce depth profiles of both T2* and T2 from only FID data is presented.

AB - The free-induction decay (FID) is the most widely implemented surface nuclear magnetic resonance (NMR) experiment. One shortcoming of the FID is that there is often much uncertainty surrounding the meaning of the FID's time dependence - can the FID provide valuable insight into pore-size and permeability or has the signal been contaminated by background magnetic field inhomogeneity? To address this uncertainty, we investigate if an updated surface NMR forward modelling scheme, which involves solution of the full Bloch-equation, can provide the ability to better constrain the link between FIDs and pore-sizes. That is, can the link between the relaxation times T2* and T2 be constrained from FID data alone? A numerical analysis of whether an inversion based on the updated forward model can produce depth profiles of both T2* and T2 from only FID data is presented.

UR - http://www.scopus.com/inward/record.url?scp=85059402454&partnerID=8YFLogxK

U2 - 10.1190/segam2018-2998133.1

DO - 10.1190/segam2018-2998133.1

M3 - Paper

AN - SCOPUS:85059402454

SP - 4914

EP - 4918

T2 - 88th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2018

Y2 - 14 October 2018 through 19 October 2018

ER -