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Absolute adsorption and adsorbed volume modeling for supercritical methane adsorption on shale.

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Title: Absolute adsorption and adsorbed volume modeling for supercritical methane adsorption on shale.
Authors: Hu, Ke1 (AUTHOR) huke314@gmail.com, Mischo, Helmut1 (AUTHOR)
Source: Adsorption. Feb2022, Vol. 28 Issue 1/2, p27-39. 13p.
Abstract: Adsorbed methane significantly affects shale gas reservoir estimates and shale gas transport in shale formations. Hence, a practical model for accurately representing methane adsorption behavior at high-pressure and high-temperature in shale is imperative. In this study, a reliable mathematical framework that estimates the absolute adsorption directly from low-pressure excess adsorption data is applied to describe the excess methane adsorption data in literature. This method provides detailed information on the volume and density of adsorbed methane. The obtained results indicate that the extensively used supercritical Dubinin-Radushkevich model with constant adsorbed phase density underestimates absolute adsorption at high pressure. The adsorbed methane volume increases both the pressure and expands with the temperature. The adsorbed methane density reduces above 10 MPa, and approaches a steady value at high pressure. This study provides a novel method for estimating adsorbed shale gas, which is expected improve the prediction of shale gas in place and gas production. [ABSTRACT FROM AUTHOR]
Copyright of Adsorption is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 158062079
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Items – Name: Title
  Label: Title
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  Data: Absolute adsorption and adsorbed volume modeling for supercritical methane adsorption on shale.
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  Data: <searchLink fieldCode="AR" term="%22Hu%2C+Ke%22">Hu, Ke</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> huke314@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Mischo%2C+Helmut%22">Mischo, Helmut</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Adsorption%22">Adsorption</searchLink>. Feb2022, Vol. 28 Issue 1/2, p27-39. 13p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Adsorbed methane significantly affects shale gas reservoir estimates and shale gas transport in shale formations. Hence, a practical model for accurately representing methane adsorption behavior at high-pressure and high-temperature in shale is imperative. In this study, a reliable mathematical framework that estimates the absolute adsorption directly from low-pressure excess adsorption data is applied to describe the excess methane adsorption data in literature. This method provides detailed information on the volume and density of adsorbed methane. The obtained results indicate that the extensively used supercritical Dubinin-Radushkevich model with constant adsorbed phase density underestimates absolute adsorption at high pressure. The adsorbed methane volume increases both the pressure and expands with the temperature. The adsorbed methane density reduces above 10 MPa, and approaches a steady value at high pressure. This study provides a novel method for estimating adsorbed shale gas, which is expected improve the prediction of shale gas in place and gas production. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Adsorption is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1007/s10450-021-00350-8
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 27
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      – TitleFull: Absolute adsorption and adsorbed volume modeling for supercritical methane adsorption on shale.
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            NameFull: Hu, Ke
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            NameFull: Mischo, Helmut
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            – D: 01
              M: 02
              Text: Feb2022
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              Y: 2022
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