煤层气垂直井抽采空间展布特征研究

Study on Spatial Distribution Characteristics of Coalbed Methane Extraction of Vertical Well

采用一般的数学方法对区域煤层气垂直井的抽采进行推导,利用后期测试数据进行对比验证,得出煤层气抽采的空间抽采展布特征,具有针对性强、计算简单的特征。计算成果可优化煤层气井网布置和排采制度,减少投资,提高煤层气抽采效率。

The general mathematical method is used to deduce the extraction of the regional coalbed methane of the vertical well and the later testing data are used for comparison and verification.The features of the spatial drainage distribution of the coalbed methane are obtained,which is characterized by high pertinence and simple calculation.The calculation results can optimize the layout and drainage system of coalbed methane well pattern,reduce the investment and improve the efficiency of coalbed methane extraction.