深层砂砾岩体岩相及天然裂缝对压裂改造的影响

发布时间：2018-05-08 10:44

本文选题：砂砾岩体 + 水力压裂　；参考：《中国石油大学胜利学院学报》2016年04期

【摘要】：储层压裂改造影响因素研究是进行钻井设计、储层压裂改造设计、储层压裂改造技术研发的基础。深层致密砂砾岩体沉积储层特征明显不同于泥页岩、火成岩等储层,其沉积厚度大、岩性及岩性组合变化快、天然裂缝发育、井间压裂效果差异大。笔者认为,在砂砾岩体储层的岩石力学特性、地应力分布等影响因素研究基础上,应重点开展沉积特征和天然裂缝发育对储层压裂改造的影响。综合利用三维地震、钻录井、压裂施工参数曲线等资料,将Y227-3HF井和Y227-8HF井储层压裂改造微地震监测数据与储层压裂改造影响因素分析相结合,研究岩相和天然裂缝两因素对深层致密砂砾岩体储层压裂改造的影响。
[Abstract]:The research on the influencing factors of reservoir fracturing is the basis of drilling design, reservoir fracturing design and reservoir fracturing technology research and development. The sedimentary reservoir characteristics of deep dense sandy gravel rock body are obviously different from those of shale and igneous rock reservoirs, such as large sedimentary thickness, rapid change of lithology and lithology combination, development of natural fractures and great difference of fracturing effect between wells. The author believes that on the basis of the study of the influencing factors such as the rock mechanical characteristics and the distribution of in-situ stress of the sandstone and gravel rock reservoir, the influence of sedimentary characteristics and the development of natural fractures on the reservoir fracturing reconstruction should be emphasized. Based on the data of 3D seismic, mud logging and fracturing parameters, the microseismic monitoring data of reservoir fracturing in Y227-3HF well and Y227-8HF well are combined with the analysis of the influencing factors of reservoir fracturing reconstruction. The effect of lithofacies and natural fracture on fracturing reconstruction of deep dense sandy gravel reservoir is studied.
【作者单位】：中国石化胜利油田分公司物探研究院;
【分类号】：TE357

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