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Global Geology 2012, 15(1) 74-77 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Evaluation of coal bed methane content using BET adsorption isotherm equation |
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ZHANG Yi, FAN Xiaomin, HAN Xue, NAN Zeyu and XU Jun |
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College of Geo-Exploration Science and Technology��Jilin University��Changchun 130026��China |
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Abstract��
Coal bed methane is unconventional raw natural gas stored in coal seam with considerable reserves in China�� In recent years��as the coal bed methane production��the safety and the use of resources have been paid more attentions�� Evaluating coal bed methane content is an urgent problem�� A BET adsorption isotherm equation is used to process the experimental data�� The various parameters of BET equation under different temperatures are obtained; a theoretical gas content correction factor is proposed��and an evaluation method of actual coal bed methane is established�� |
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Keywords��
BET adsorption isotherm
coal bed methane
geophysical well logging
gas content
evaluation method
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Received Revised Online: |
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