通过岩芯观察、薄片鉴定、全井眼微电阻率扫描成像(FMI)测井分析等手段,对束鹿地区古近系沙三下段砾岩,泥灰岩〔1〕储层进行了研究分析。结果认为,研究区储集空间类型以裂缝和次生孔洞为主。对储层孔渗特征起作用的又以构造裂缝和孔隙——溶蚀孔洞为主。构造裂缝中以高角度斜交缝和垂直缝为主,部分充填或未充填,填充物以方解石为主,其发育经历了先期张裂、后期压扭和充填三个世代。 By means of core observation, thin slice identification and FMI logging analysis, the reservoir of the conglomerate and marl [1] in the Lower Paleogene of the Member 3 in the Shulu area is studied and analyzed . The result shows that the main reservoir types in the study area are fractures and secondary pores. Tectonic porosity and dissolution pores dominate reservoir porosity and permeability. Tectonic fractures are mainly composed of diagonal and vertical fractures at high angles, partially filled or unfilled, and calcites dominated by infill. The development experienced three stages of pre-cracking, post-compression and filling.