Standard

Isotherms, gas contents and diffusion coefficients of coals and shales. / Gray, Ian; Wood, Jeff; Shelukhina, Iuliia; Zhao, Xiaoli.

SPE Asia Pacific Unconventional Resources Conference and Exhibition held in Brisbane, Australia, 9–11 November 2015. Vol. 2 Society of Petroleum Engineers. ed. Brisbane : Society of Petroleum Engineers, 2015. p. 1663-1674.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review

Harvard

Gray, I, Wood, J, Shelukhina, I & Zhao, X 2015, Isotherms, gas contents and diffusion coefficients of coals and shales. in SPE Asia Pacific Unconventional Resources Conference and Exhibition held in Brisbane, Australia, 9–11 November 2015. Society of Petroleum Engineers edn, vol. 2, Society of Petroleum Engineers, Brisbane, pp. 1663-1674. https://doi.org/10.2118/177006-MS

APA

Gray, I., Wood, J., Shelukhina, I., & Zhao, X. (2015). Isotherms, gas contents and diffusion coefficients of coals and shales. In SPE Asia Pacific Unconventional Resources Conference and Exhibition held in Brisbane, Australia, 9–11 November 2015 (Society of Petroleum Engineers ed., Vol. 2, pp. 1663-1674). Society of Petroleum Engineers. https://doi.org/10.2118/177006-MS

Vancouver

Gray I, Wood J, Shelukhina I, Zhao X. Isotherms, gas contents and diffusion coefficients of coals and shales. In SPE Asia Pacific Unconventional Resources Conference and Exhibition held in Brisbane, Australia, 9–11 November 2015. Society of Petroleum Engineers ed. Vol. 2. Brisbane: Society of Petroleum Engineers. 2015. p. 1663-1674 https://doi.org/10.2118/177006-MS

Author

Gray, Ian ; Wood, Jeff ; Shelukhina, Iuliia ; Zhao, Xiaoli. / Isotherms, gas contents and diffusion coefficients of coals and shales. SPE Asia Pacific Unconventional Resources Conference and Exhibition held in Brisbane, Australia, 9–11 November 2015. Vol. 2 Society of Petroleum Engineers. ed. Brisbane : Society of Petroleum Engineers, 2015. pp. 1663-1674

BibTeX

@inproceedings{3c6f51c0cdfc4170a04282be76c28e83,
title = "Isotherms, gas contents and diffusion coefficients of coals and shales.",
abstract = "The measurement of gas content of coals has been dominated by the standard methods of core desorption described by ASTM D7569 and AS3980 (1999). In this paper the limitations of these procedures are discussed with particular reference to the partial gas pressure the gas content is being referred to. Because the gas content is always quoted as an absolute value measured to an undefined gas partial pressure as opposed to a value at atmospheric pressure it brings into question the nature of the isotherm model being used at pressures below atmospheric. The generally accepted Langmuir model is found to be lacking at these lower pressures and alternative options are considered. The current practise of measuring isotherms is also questioned, particularly with respect to mixed gas types where the extended Langmuir or IAS models are found wanting. To overcome these deficiencies the process of measuring gas contents to known partial pressures of seam gas is used. So too is the process of measuring native isotherms on",
keywords = "Shale, Diffusion Coefficient, Gas Content, Isotherms, Coal",
author = "Ian Gray and Jeff Wood and Iuliia Shelukhina and Xiaoli Zhao",
year = "2015",
doi = "10.2118/177006-MS",
language = "English",
isbn = "978-1-61399-388-0",
volume = "2",
pages = "1663--1674",
booktitle = "SPE Asia Pacific Unconventional Resources Conference and Exhibition held in Brisbane, Australia, 9–11 November 2015",
publisher = "Society of Petroleum Engineers",
address = "United States",
edition = "Society of Petroleum Engineers",

}

RIS

TY - GEN

T1 - Isotherms, gas contents and diffusion coefficients of coals and shales.

AU - Gray, Ian

AU - Wood, Jeff

AU - Shelukhina, Iuliia

AU - Zhao, Xiaoli

PY - 2015

Y1 - 2015

N2 - The measurement of gas content of coals has been dominated by the standard methods of core desorption described by ASTM D7569 and AS3980 (1999). In this paper the limitations of these procedures are discussed with particular reference to the partial gas pressure the gas content is being referred to. Because the gas content is always quoted as an absolute value measured to an undefined gas partial pressure as opposed to a value at atmospheric pressure it brings into question the nature of the isotherm model being used at pressures below atmospheric. The generally accepted Langmuir model is found to be lacking at these lower pressures and alternative options are considered. The current practise of measuring isotherms is also questioned, particularly with respect to mixed gas types where the extended Langmuir or IAS models are found wanting. To overcome these deficiencies the process of measuring gas contents to known partial pressures of seam gas is used. So too is the process of measuring native isotherms on

AB - The measurement of gas content of coals has been dominated by the standard methods of core desorption described by ASTM D7569 and AS3980 (1999). In this paper the limitations of these procedures are discussed with particular reference to the partial gas pressure the gas content is being referred to. Because the gas content is always quoted as an absolute value measured to an undefined gas partial pressure as opposed to a value at atmospheric pressure it brings into question the nature of the isotherm model being used at pressures below atmospheric. The generally accepted Langmuir model is found to be lacking at these lower pressures and alternative options are considered. The current practise of measuring isotherms is also questioned, particularly with respect to mixed gas types where the extended Langmuir or IAS models are found wanting. To overcome these deficiencies the process of measuring gas contents to known partial pressures of seam gas is used. So too is the process of measuring native isotherms on

KW - Shale

KW - Diffusion Coefficient

KW - Gas Content

KW - Isotherms

KW - Coal

U2 - 10.2118/177006-MS

DO - 10.2118/177006-MS

M3 - Conference contribution

SN - 978-1-61399-388-0

VL - 2

SP - 1663

EP - 1674

BT - SPE Asia Pacific Unconventional Resources Conference and Exhibition held in Brisbane, Australia, 9–11 November 2015

PB - Society of Petroleum Engineers

CY - Brisbane

ER -

ID: 4790342