China has plenty of CBM resources. Development and utilization of CBM is of important strategic importance in China. History matching of gas and water yield of CBM wells （actual CBM well performance） through CBM numeric simulation can obtain more objective and accurate CBM reservoir parameters, and can provide scientific criteria for working out CBM development proposal and for forecasting long term performance of CBM well.%我国煤层气资源十分丰富,煤层气的开发利用具有重要的战略意义。煤层气数值模拟通过对气井气、水产量数据的历史拟合,获得更加客观准确的煤层气储层参数,从而为制定煤层气开发方案和预测煤层气井的长期生产动态提供科学依据。
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