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水合物热激励法开采特征研究
Authors
侯力群
刘丽娟
吴应湘
王海江
Publication date
1 January 2007
Publisher
Abstract
根据天然气水合物的分子动力学分解规律,建立了热激励法开采模型,并运用有限差分法对压力和温度控制方程进行了数值求解.计算结果表明,地层渗透率和井底加热温度对开采过程中地层的压力、温度分布以及气体的产量变化影响较大.由于模型中同时考虑了水合物的分解和再合成反应(可逆反应),因此, 天然气的产量随时间呈明显的周期性变化趋势,而且随着时间增长,周期逐渐变长.</span
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018