新元矿3号煤层水力压裂增透技术研究及应用

Research and Application of Hydraulic Fracturing Technology for Permeability Enhancement in No.3 Coal Seam of Xinyuan Coal Mine

由于新元矿煤层透气性差,原有的针对煤巷掘进采取的抽采方式效率不高,抽采出的瓦斯浓度和纯度较低。本文介绍了采用水力压裂增透技术,扩大裂隙范围,形成贯通的裂隙区域,改善煤层透气性,并在压裂后进行增透效果考察,达到了提高瓦斯抽采效率和的目的,保障了矿井的安全高效生产。

Because of the poor permeability of coal seam in Xinyuan Coal Mine,the efficiency of the original extraction method for coal roadway excavation is not high,and the gas concentration and purity extracted are low.This paper introduces the application of hydraulic fracturing technology to increase permeability,enlarge the fracture range,form a penetrating fracture area,improve the permeability of coal seam,and inspect the permeability effect after fracturing.The purpose of improving gas extraction efficiency and efficiency is achieved,and the safe and efficient production of mine is guaranteed.