摘要:对研究区浅层长2储层的精细研究,对于浅层储层油气潜力评价至关重要.利用钻井岩心观察、岩石铸体薄片鉴定、扫描电镜、样品物性分析和常规高压压汞实验,对储层展开精细评价研究.①储层岩性组成主要为长石砂岩和岩屑长石砂岩,填隙物成分主要为黏土矿物,其中主要组分为高岭石、绿泥石、水云母.②延长组长2平均孔隙度14.51%,平均渗透率5.01mD.渗透率主要分布范围在0.5~30mD.③通过鉴定储层孔隙主要为粒间孔和溶蚀孔,溶蚀孔中以长石溶孔最发育,长2为5.99%,延长组浅层长2储层孔隙结构以小孔、微细喉为主.④研究区共筛选出23个有利目标区,其中建议目标区8个,总面积24.76km^2.
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