Porosity type analysis and permeability model for micro-trans-pores, meso-macro-pores and cleats of coal samples
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- 作者：Mingjun Zoua ; zoumingjun_ncwu@163.com" class="auth_mail" title="E-mail the corresponding author ; Chongtao Weib ; Zhiquan Huanga ; huangzhiquan@ncwu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Simin Weia
- 关键词：Nuclear magnetic resonance ; Pore system ; Porosity type ; Cleat permeability ; Matrix permeability
- 刊名：Journal of Natural Gas Science and Engineering
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：27
- 期：part_P2
- 页码：776-784
- 全文大小：942 K
文摘
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Micro-trans-pores, meso-macro-pores and cleats of the coal samples are identified.
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The total, movable and unmovable porosities of each pore system are calculated.
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Coal samples are classified into three types based on the movable porosity.
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Permeability of the meso-macro-pore and cleat systems are both established.