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成庄煤层气区块位于山西沁水盆地南部,是华北油田煤层气井平均单井产量最高的区块。目前成庄区块煤层气累计采气6亿方,采出程度45%,取得了高效开发效果及良好的经济效益。成庄区块具备构造简单、埋深较浅、储层物性较好的特点,其开发技术与其他区块相比,有相似之处,但由于该区块与多个煤矿矿权重叠,开发技术也具有独特性。本文通过对成庄区块的高效开发技术及开发效果研究分析,总结实践成果,以期为煤层气田的高效开发提供借鉴。
The coalbed methane block in Chengzhuang is located in the south of Qinshui Basin in Shanxi Province and is the block with the highest average single well output in the coalbed methane wells in Huabei Oilfield. At present, a total of 600 million cubic meters of coalbed methane has been acquired in Chengzhuang block and the recovery rate has reached 45%. Efficient development results and good economic benefits have been achieved. The Chengzhuang block has the characteristics of simple structure, shallow depth and good reservoir physical properties. Its development technology has similarities with other blocks. However, due to the overlapping of the mine and several coal mines, the development Technology is also unique. Through the research and analysis on the efficient development technology and development effect of Chengzhuang blocks, this paper summarizes the practical results, in order to provide reference for the efficient development of coalbed methane fields.