Resolving the Pore Structure and Sorption Properties of Methane in Mudrocks - A Small Angle Neutron Scattering Study

Norbert Maes; Timo Seemann; Pieter Bertier; Amirsaman Rezaeyan; Lester Barnsley; Andreas Busch; Veerle Cnudde

doi:10.3997/2214-4609.201900310

Resolving the Pore Structure and Sorption Properties of Methane in Mudrocks - A Small Angle Neutron Scattering Study

Norbert Maes, Timo Seemann, Pieter Bertier, Amirsaman Rezaeyan, Lester Barnsley, Andreas Busch, Veerle Cnudde

R&D Disposal

Research output

Abstract

Small angle neutron scattering has been combined with supercritical methane sorption resulting in a collection of isothermal scattering curves for Opalinus Clay, Posidonia Shale and Eagleford Shale. Scattering data have been analyzed with respect to sorbed phase behavior for which a two- and three-phase model have been used. The twophase model clearly indicates the formation of a sorbed phase of which properties like density and volume fraction change with pore size. Application of the three-phase model yields sorbed phase densities higher than the bulk density of methane as predicted by the equation of state provided by NIST. Current work focuses on implementing localized density calculations in order to quantify the effect of pore size on the sorbed phase properties.

Original language	English
Title of host publication	Conference proceedings - Sixth EAGE Shale Workshop
Publisher	EAGE Publications BV
Pages	1-5
Number of pages	5
Volume	2019
DOIs	https://doi.org/10.3997/2214-4609.201900310
State	Published - 29 Apr 2019
Event	6th EAGE Shale Workshop 2019 - Bordeaux Duration: 28 Apr 2019 → 1 May 2019 https://www.eage.org/sitecore/content/events/home/2019/sixth-eage-shale-workshop?sc_lang=en

Publication series

Name	Conference Proceedings
Publisher	AEGE - European Association of Geoscientists & Engineers
Number	1
Volume	2019
ISSN (Print)	2214-4609

Workshop

Workshop	6th EAGE Shale Workshop 2019
Country/Territory	France
City	Bordeaux
Period	2019-04-28 → 2019-05-01
Internet address	https://www.eage.org/sitecore/content/events/home/2019/sixth-eage-shale-workshop?sc_lang=en

Access to Document

10.3997/2214-4609.201900310License: Unspecified

Cite this

Maes, N., Seemann, T., Bertier, P., Rezaeyan, A., Barnsley, L., Busch, A., & Cnudde, V. (2019). Resolving the Pore Structure and Sorption Properties of Methane in Mudrocks - A Small Angle Neutron Scattering Study. In Conference proceedings - Sixth EAGE Shale Workshop (Vol. 2019, pp. 1-5). (Conference Proceedings; Vol. 2019, No. 1). EAGE Publications BV . https://doi.org/10.3997/2214-4609.201900310

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abstract = "Small angle neutron scattering has been combined with supercritical methane sorption resulting in a collection of isothermal scattering curves for Opalinus Clay, Posidonia Shale and Eagleford Shale. Scattering data have been analyzed with respect to sorbed phase behavior for which a two- and three-phase model have been used. The twophase model clearly indicates the formation of a sorbed phase of which properties like density and volume fraction change with pore size. Application of the three-phase model yields sorbed phase densities higher than the bulk density of methane as predicted by the equation of state provided by NIST. Current work focuses on implementing localized density calculations in order to quantify the effect of pore size on the sorbed phase properties.",

keywords = "Equations of state, Methane, Pore size, Pore structure, Shale",

author = "Norbert Maes and Timo Seemann and Pieter Bertier and Amirsaman Rezaeyan and Lester Barnsley and Andreas Busch and Veerle Cnudde",

note = "Score=3; 6th EAGE Shale Workshop 2019 ; Conference date: 28-04-2019 Through 01-05-2019",

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Maes, N, Seemann, T, Bertier, P, Rezaeyan, A, Barnsley, L, Busch, A & Cnudde, V 2019, Resolving the Pore Structure and Sorption Properties of Methane in Mudrocks - A Small Angle Neutron Scattering Study. in Conference proceedings - Sixth EAGE Shale Workshop. vol. 2019, Conference Proceedings, no. 1, vol. 2019, EAGE Publications BV , pp. 1-5, 6th EAGE Shale Workshop 2019, Bordeaux, France, 2019-04-28. https://doi.org/10.3997/2214-4609.201900310

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T1 - Resolving the Pore Structure and Sorption Properties of Methane in Mudrocks - A Small Angle Neutron Scattering Study

AU - Maes, Norbert

AU - Seemann, Timo

AU - Bertier, Pieter

AU - Rezaeyan, Amirsaman

AU - Barnsley, Lester

AU - Busch, Andreas

AU - Cnudde, Veerle

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N2 - Small angle neutron scattering has been combined with supercritical methane sorption resulting in a collection of isothermal scattering curves for Opalinus Clay, Posidonia Shale and Eagleford Shale. Scattering data have been analyzed with respect to sorbed phase behavior for which a two- and three-phase model have been used. The twophase model clearly indicates the formation of a sorbed phase of which properties like density and volume fraction change with pore size. Application of the three-phase model yields sorbed phase densities higher than the bulk density of methane as predicted by the equation of state provided by NIST. Current work focuses on implementing localized density calculations in order to quantify the effect of pore size on the sorbed phase properties.

AB - Small angle neutron scattering has been combined with supercritical methane sorption resulting in a collection of isothermal scattering curves for Opalinus Clay, Posidonia Shale and Eagleford Shale. Scattering data have been analyzed with respect to sorbed phase behavior for which a two- and three-phase model have been used. The twophase model clearly indicates the formation of a sorbed phase of which properties like density and volume fraction change with pore size. Application of the three-phase model yields sorbed phase densities higher than the bulk density of methane as predicted by the equation of state provided by NIST. Current work focuses on implementing localized density calculations in order to quantify the effect of pore size on the sorbed phase properties.

KW - Equations of state

KW - Methane

KW - Pore size

KW - Pore structure

KW - Shale

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