涪陵页岩气压裂试验参数对产能的影响分析

Impacts of Fracturing Test Parameters of Fuling Shale Gas on Gas Productivity

页岩气作为一种重要的非常规能源,具有资源潜力大,开采寿命长等优点。目前,涪陵页岩气田已成功开发,涪陵页岩气藏自身的独特性决定了其产能的影响因素的复杂多样性。对气田内压裂完成的20余口水平井的试验参数及试气产量进行了统计,对比评价了不同水平段长度、不同簇间距、压裂段数、规模、方位角、不同压裂材料等试验参数对水平井压裂后产能的影响,为后期有效优化设计和指导页岩气水平井分段压裂施工提供依据,为实现涪陵页岩气田大规模高效开发提供技术支撑。

Peculiarity of Fuling shale gas reservoir leads to complicated and various impacts on gas productivity. This paper made statistics for test parameters and gas testing yield of over 20 fractured wells and evaluated in comparison test parameters including different horizontal interval length, different cluster spacing, number and azimuth of frac- tured intervals and different fracturing materials that impact gas productivity of fractured horizontal wells, thus offer- ing a reference for improving staged fracturing of shale gas horizontal wells and a technical support for efficiently de- veloping Fuling shale gas reservoir.