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沁水盆地产层组合对煤层气井产能的影响
引用本文:张先敏,同登科. 沁水盆地产层组合对煤层气井产能的影响[J]. 煤炭学报, 2007, 32(3): 272-275
作者姓名:张先敏  同登科
作者单位:中国石油大学(华东) 数学与计算科学学院,山东 东营,257061
基金项目:国家重点基础研究发展规划“973”基金资助项目(2002CB11700),山东省自然科学基金资助项目(Y2003F01)
摘    要:借鉴现有模型并结合沁水盆地现场实际,建立了煤储层双重孔隙多孔介质三维气、水两相耦合流动数学模型,研究了模型的全隐式解法,根据沁水盆地煤层和含水层的不同组合方式以及流体流动方式编制了7种组合方案,并利用自行编制的数值模拟程序对7种组合方案进行了单井产能数值模拟,最终确定将3号和15号煤层、K2灰岩层联合作为产层是最优的组合方案.

关 键 词:沁水盆地  煤层气  临界解吸压力  组合方案  
文章编号:0253-9993(2007)03-0272-04
收稿时间:2006-05-29
修稿时间:2006-05-29

The effects of pay formation combination on productivity of coalbed methane well in Qinshui basin
ZHANG Xian-min,TONG Deng-ke. The effects of pay formation combination on productivity of coalbed methane well in Qinshui basin[J]. Journal of China Coal Society, 2007, 32(3): 272-275
Authors:ZHANG Xian-min  TONG Deng-ke
Abstract:A three-dimensional,two-phase,dual porosity,fully implicit coalbed methane simulator was developed by drawing on former models and considering the reality in Qinshui Basin.Then according to different combinations of coal seams and aquifers in Qinshui basin,seven schemes were presented and simulated respectively by this simulator.The result shows that the combination of No.3 coal seam,No.15 coal seam and K2 limestone aquifer is the optimal schemes.
Keywords:Qinshui basin  coalbed methane  critical desorption pressure  combination scheme
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