中国石油大学学报（自然科学版）2016，Vol.40Issue(6)：1-8,8.DOI:10.3969/j.issn.1673-5005.2016.06.001
扒楼沟剖面二叠系辫状河砂体构型与非均质性特征
Braided river sand body architecture and heterogeneity of Permian in Palougou outcrop
摘要
Abstract
Through field measurement, sand body anatomy, lithofacies analysis, and with the aid of thin sections and physical data, the architecture and heterogeneity characteristics of the braided river sand bodies of Shanxi Formation of Permian in the Palougou profile in Baode county, Shanxi province, were systematically studied. The results show that two kinds of genetic sand bodies, channel and channel bar are mainly developed in braided rivers. The vertical lithofacies combinations in chan-nel sand body and channel bar sand body are Ge-St and Ge-Sm-M-Sm-Sp-M-Sp or Ge-Sm-St-Sm-St-Sp-M-Sp, respectively;Braided river sand bodies can be further divided into five levels of architectural elements, which are bed, bed set, channel bar/channel accretion, channel bar/braided channel, and braided river from small to large. Channel sand body is usually composed of several accretions superimposed vertically, while channel bar sand body is composed of several accretions and chute sand bodies superimposed vertically, with mud layers in it. Channel bar sand body has better physical properties and weaker heterogeneity than channel sand body, and therefore, the whole channel bar can be high quality reservoir. On the other hand, channel sand body only has good physical properties near the river center which may become potential reservoir. Remaining oil mainly accumulates near large scales of mud layers in the channel bar, and in the side and upper part of the channel sand body, but with large deposition potentials in the channel bar.关键词
扒楼沟剖面/辫状河/河道/心滩/砂体构型/非均质性/剩余油分布Key words
Palougou profile/braided river/channel/channel bar/sand body architecture/heterogeneity/remaining oil dis-tribution分类
能源科技引用本文复制引用
王越,陈世悦,李天宝,梁绘媛,王剑..扒楼沟剖面二叠系辫状河砂体构型与非均质性特征[J].中国石油大学学报（自然科学版）,2016,40(6):1-8,8.基金项目
“十二五”国家油气重大专项(2011ZX05013-002) （2011ZX05013-002）
