石油与天然气地质 ›› 1995, Vol. 16 ›› Issue (3): 246-251.doi: 10.11743/ogg19950308

• 论文 • 上一篇    下一篇

塔里木盆地古城鼻隆区非构造圈闭

郭建华1, 翟永红1, 刘生国1, 罗传容2   

  1. 1. 江汉石油学院, 湖北荆沙, 434102;
    2. 地质矿产部石油地质综合大队, 湖北荆沙, 434100
  • 收稿日期:1994-11-18 修回日期:1995-02-26 出版日期:1995-09-25 发布日期:2012-01-16

NONSTRUCTURAL TRAPS IN GUCHENG NOSEUPLIFT AREA, TARIM BASIN

Guo Jianhua1, Zhai Yonghong1, Liu Shengguo1, Luo Chuanrong2   

  1. 1. Jianghan PetroleUm institute, Jingsha, Hubei;
    2. CDmprehensive Research institute of Petroleum Geology, MGMR, Jingsha, Hubei
  • Received:1994-11-18 Revised:1995-02-26 Online:1995-09-25 Published:2012-01-16

PDF (PC)

683

被引次数

2

摘要：

古城鼻隆构造区石炭系底为一区域性不整合,其上广泛发育(1)与侵蚀面有关的沟谷体系,圈闭的优劣取决于底板地层,以中、上奥陶统最好,志留系次之。(2)鼻隆裙边国侵蚀强度形成砂岩超覆和砂砾岩超覆两类地层超覆圈闭,前者优于后者。

关键词: 非构造圈闭, 沟谷体系, 起覆尖灭, 古城鼻隆, 塔里木盆地

Abstract:

The Carboniferous basement of Gucheng nose-uplift area is a regional unconformity.The extensively developed overlying stratigraphic traps include: 1. Erosion-surface formedchannel-valley system stratigraphic traps. The trap properties depend on basements. It isconsidered that the basement of the Middle-Upper Ordovician is the best while that of theSilurian is secondarys 2. The fringe marginal overlap traps of the nose uplift. Different degrees of erosion result in sandstone overlap and gravel overlap. The former prevails over the later.