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Theoretical Analysis and Practical Study on Reasonable Water Pressure of Hydro-fracturing

机译：水力压裂合理水压的理论分析与实践研究

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摘要

The hydro-fracturing technology is the depressurization antireflection elimination outburst technology for the low permeability outburst coal seam with high methane. At present, the mechanism of the depressurization antireflection elimination outburst is sufficiently mastered and the application effectiveness of field engineering also is well, but how to determine hydro-fracturing parameters is not systematically described, especially the reasonable water pressure. Based on the hydro-fracturing mechanism and process, the reasonable water pressure is theoretically analyzed, and then the pressure parameter of hydro-fracturing applicated in the low permeability outburst coal seam with high methane is obtained, finally the reasonable pressure formula of water injection is obtained. The application test results of field engineering shows that there is the difference between the theoretical analysis result and the pressure in field engineering test, namely, the theoretical analysis pressure is lower than the pressure in field engineering test.
机译：水力压裂技术是具有高甲烷的低渗透性突出煤层的减压抗反射消除爆发技术。目前，减压抗反射消除爆发的机制充分掌握，现场工程的应用效果也很好，但是如何确定水力压裂参数，特别是合理的水压。基于水力压裂机理和工艺，理论上分析合理的水压，然后获得了在低渗透突出煤层中的水力压力压力的压力参数，最后是注水的合理压力配方获得。现场工程的应用测试结果表明，理论分析结果与现场工程试验中的压力之间存在差异，即理论分析压力低于现场工程试验中的压力。

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