收稿日期: 2004-11-08
修回日期: 2005-02-11
网络出版日期: 2005-04-20
基金资助
国家自然科学基金项目(编号:40372074);国家重点基础研 究发展规划“煤层气”项目(编号:2002CB211704)资助.
STUDY OF GAS-DISSOLVING IN COALBED WATER AND PREDICTION OF GAS CONTENT OF LIG NITE RESERVOIR
Received date: 2004-11-08
Revised date: 2005-02-11
Online published: 2005-04-20
傅雪海，秦勇，王万贵，张万红，范炳恒，周荣福 . 煤储层水溶气研究及褐煤含气量预测[J]. 天然气地球科学, 2005 , 16(2) : 153 -156 . DOI: 10.11764/j.issn.1672-1926.2005.02.153
Based on physical simulates of methane-solubility in water of different minefields and coalbed water, gas-dissolving in the lignite re servoir of Hailaer basin in Neimenggu municipality were calculated. Based on triaxiality compress experiments of three-phase medium coal rocks, i.e. coal ma trix, gas and water, integrated into state equation of ideal gas and Malueta law , free gas in the lignite reservoir were calculated. Based on isothermal methane -adsorbing experiments under equilibrium moisture, gas-adsorbing in the lignit e reservoir were estimated. At last, taking Hailaer basin as an example, total g as content in the lignite reservoir were predicted.
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