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基于煤层气藏的地质理论认识,分析了煤层水的来源;并结合水化学三线图、离子浓度之间的相互关系与系统聚类逐步判别的方法,确定和建立了郑村区块主要含水层的水化学特征及判别函数。通过判别分析,识别了郑村区块煤层气井产出水来源并给与有效验证。
Based on the geological theory of coalbed methane reservoir, the source of coalbed water is analyzed. Combining with the relationship between the water chemistry three-line diagram and ion concentration and the stepwise discrimination of system clustering, the main aquifer Water chemistry and discriminant functions. Through discriminant analysis, the source of produced water of CBM wells in Zhengcun block is identified and validated.