Study on Methane Drainage with Technique of Multi-perforating and Fracturing
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摘要: 复合射孔技术能有效地控制射孔方向和压裂缝的扩展。对其作用机理进行了初步的分析研究,并对相关参数进行了理论计算。针对煤层的特性,将该技术用于煤层致裂,经过现场应用,效果良好。该技术在煤层致裂爆破中的发展方向较多,有良好的应用前景Abstract: Compound technique of perforating can effectively control the perforating direction and the fracturing expansion.The functional mechanism of this technique is analyzed theoretically and related parameters are calculated.This technique is applied to fracturing coal seams and the on-site monitoring effects are satisfactory. The development direction and application prospects of compound technique of perforating are both pointed out.
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Key words:
- equilateral cumulative aciton /
- fracturing /
- compound technique of perforating /
- methane drainage /
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