Oil and gas transportation way and ability of unconformity of continental rifted-basin in Jiyang depression

被引：4
|
作者：
Sui F.-G. [1 ]
Song G.-Q. [1 ]
Zhao L.-Q. [1 ]
Wang X.-J. [1 ]
机构：
[1] Geological Scientific Research Institute of Shengli Oilfield
来源：
Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) | 2010年 / 34卷 / 04期
关键词：
Continental rifted-basin; Geologic characteristic; Petroleum geology; Transportation ability; Transportation way; Unconformity;
D O I：
10.3969/j.issn.1673-5005.2010.04.008
中图分类号：
学科分类号：
摘要：
Based on the geologic characteristics of unconformity structure in Jiyang depression and the oil and gas transportation process of hydrocarbon reservoir for the found formation, oil and gas transportation way and ability of unconformity were analyzed. The results show that unconformity structure layers with different characteristic are mainly composed of sand and mudstone in continental rifted basin. Sand-mud combination of unconformity surface can be divided into four kinds of types: sand/sand, sand/mud, mud/sand and mud/mud. Their distributions have some regularities in the plane. Different combination type controls transportation way of oil and gas of unconformity, in which sand/sand type controls the vertical way, sand/mud, mud/sand types control the horizontal way. As a result of facies fast changing and non-permeable of mudstone both before and after weathering in rifted basin, poor horizontal continuity of permeable formation of unconformity structure seriously limits horizontal oil and gas transportation extent of unconformity. It is important to particularly concern matching between unconformity structural type and fault, cage sand body for forcasting stratigraphic reservoir with ulterior trap-source distance.
引用
收藏
页码：44 / 48
页数：4
相关论文
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