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鄂尔多斯盆地碎屑岩储集体中的次生孔隙类型
引用本文:杨玲,韩继勇,孙卫,任晓娟.鄂尔多斯盆地碎屑岩储集体中的次生孔隙类型[J].西北大学学报,2005,35(5):621-624.
作者姓名:杨玲  韩继勇  孙卫  任晓娟
作者单位:[1]西安石油大学石油工程学院,陕西西安710065 [2]西北大学地质学系,陕西西安710069
基金项目:中国石油天然气集团公司中青年创新基金资助项目(04E7044)
摘    要:目的研究鄂尔多斯盆地碎屑岩储集体中的次生孔隙。方法分析大量铸体薄片以及扫描电镜、压汞、和X-绗射资料。结果该盆地碎屑储集体中次生孔隙类型有,胶结物的溶蚀孔、长石颗粒溶孔和岩屑溶孔;油气储集体中次生孔隙占有重要地位,对油气的储集、渗流起主导作用。结论次生孔隙既可产生于胶结物中,也可产生于岩屑和矿物颗粒中,火山岩屑溶孔为该盆地次生孔隙类型的一大特点。

关 键 词:碎屑岩储集体  次生孔隙  鄂尔多斯盆地
文章编号:1000-274X(2005)05-0621-04
收稿时间:03 22 2004 12:00AM
修稿时间:2004年3月22日

The secondary porosity type of the clastic rock storage in Ordos Basin
YANG Ling, HAN Ji-yong, SUN Wei, REN Xiao-juan.The secondary porosity type of the clastic rock storage in Ordos Basin[J].Journal of Northwest University(Natural Science Edition),2005,35(5):621-624.
Authors:YANG Ling  HAN Ji-yong  SUN Wei  REN Xiao-juan
Abstract:Aim To study the secondary porosity in the clastic rock storage of Ordos Basin. Methods The data of the casting film, electron microscope scanning, hydrargyrum driving text and X-diffraction were analyzed. Results The secondary porosity was chief pore type, consisting of dissolving pores in the lithic fragment, colloidal substance and sedimentation rock fragment. Condusions The secondary porosity existed in the volcano lithic fragment mostly as well as in the colloidal substance and sedimentation rock fragment. The secondary porosity was dominant in the gas/ oil storage for storing and filtrate percolation in this basin.
Keywords:clastic rock storage  secondary porosity  Ordos Basin
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