摘要
成岩作用目前还处于定性描述阶段,为定量描述成岩作用对储层物性的影响,笔者提出了压实系数、胶结系数、溶蚀系数及成岩系数概念,它们分别表征了压实作用、胶结作用、溶蚀作用及成岩综合效应引起的储层孔隙度变化。沉积物在成岩演化过程中发生的主要成岩变化及其产物叫成岩相,成岩相变化可形成透镜状成岩储渗体,它是香溪群透镜状油气藏形成的原因。
At present,diagenesis is only described qualitatinly.In order to describe diagenesis quantitatively.A series of diagenetic coefficients are put forward.Which can describe the influ- ence of all kinds of diageneses of the porosity of reservoirs.The major diagenesis and results of sed- iment is called diagenetic facies.It is the dingenetic traps that controlling the formation of oil and gas reservoirs of Xiangxi Group.
出处
《矿物岩石》
CAS
CSCD
1996年第4期64-69,共6页
Mineralogy and Petrology
关键词
成岩作用
储层物性
成岩相
定量评价
油气藏
diagenesis
porosity
coefficients
diagenetic facis
Xiangxi group
