石油与天然气地质 ›› 1987, Vol. 8 ›› Issue (4): 352-362.doi: 10.11743/ogg19870403

• 论文 • 上一篇    下一篇

临盘-商河油田沙河街组三段砂岩成岩作用及次生孔隙特征

郑清, 信荃麟   

  1. 华东石油学院第三系综合研究室
  • 收稿日期:1986-03-21 修回日期:1987-05-04 出版日期:1987-12-25 发布日期:2012-01-16

THE DIAGENESIS AND SECONDARY PORE FEATURE OF SANDSTONE OF THE THIRD MEMBER OF SHAHEJIE FORMATION, LINPAN AND SHANGHE OIL FIELDS

Zheng Qing, Xin Quanlin   

  1. East China Petroleum College
  • Received:1986-03-21 Revised:1987-05-04 Online:1987-12-25 Published:2012-01-16

摘要:

临盘-商河油田沙河街组三段上部砂岩,在埋藏过程中经历了未成熟期、半成熟期和成熟期三个阶段,各阶段的成岩作用及孔隙特征明显不同。成熟期是次生孔隙最发育的阶段,成为最重器的储集空间,分为粒间溶孔、粒内溶孔、铸模孔、微孔及裂隙五种类型,受物源沉积环境和构造活动控制。

Abstract:

The sandstone diagenesis and pore evolution of the third member (upper part) of the Shahejie Formation in Linpan and Shanghe Oil Fields heve been studied in this paper on the basis of observation and analysis of cores. thin sections, casting slices, SEM, X-ray diffraction and cathodoluminescence. The study shows that the sandstone of the third member of the Shahejie Formation have undergone immunature stage, semimature stage and mature stage. The diagenesis and pore feature of different stages are obviously different, and the mature stage is the phase of maximum development of secondary porosity. These condary pores in this area involve five basical types, such as intergranular pores, intragranular pores, microporosity, moldic pores and fractures. They have become the most important reservior spaces. The development of the secondary pore is mainly controlled by the provenance. depositional environment and tectonic movement.