摘要
本文对塔中１井储层段进行了岩芯、薄片、阴极发光等观察和分析，划分出了角砾白云岩、残余颗粒白云岩和晶粒白云岩３种岩石类型，识别出了白云石化、硅化、方解石化、重晶石化、萤石化、黄铁矿化、自生粘土矿物化以及溶解、压溶等成岩作用类型；归纳出塔中１井储层段经历了３个成岩阶段、４种成岩环境的改造和叠加，并在物性测定的基础上给出３个岩性段的储集条件．
The reservoir rocks in Tazhong 1 well are studied based on analysis of cores,thin sections,cathodoluminescenc etc.The dolostones are divided into three types:conglomera ic dolostones,grain dolostones,andcrystalline dolostones.The recognized diagenesis includes dolomitication,silicification dedolomitization,baritization,pyritication,precipitation of clay minerals. dissolution and pressure solution.The reservoir rocks werereformed during three periods fo diagenesis and in four types of diagenetic environments.
关键词
岩石学
成岩作用
储集条件
油气藏
Petrology
Diagenesis
Diagenetic period
Diagenetic environment
Reservoir characteristics
