收稿日期: 2010-03-07
修回日期: 2010-05-27
网络出版日期: 2010-08-10
基金资助
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Seismic Attribute Configuration of Sedimentary Sandstone Body Formed in Deep\|water Condition
Received date: 2010-03-07
Revised date: 2010-05-27
Online published: 2010-08-10
Supported by
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周宗良, 田昀, 张凡磊, 马海霞 . 深水成因沉积地震属性构型分析与模式探讨[J]. 天然气地球科学, 2010 , 21(4) : 666 -669 . DOI: 10.11764/j.issn.1672-1926.2010.04.666
In this paper, we discussed the Paleogene sedimentary sandstone body formed in deep-water conditions and architectural characteristics of seismic attributes in the Banqiao sag of Huanghua depression.The palaeogeomorphology is the dominant factor that affects the distribution of deep-water sandstone body, and the main river valley (or river) would limit the deposition of the sandstone body in the deep-water compound channel.The main bank and overbank is developed in both of main channel sides.With the bend river swinging and migrating in the main valley, the secondary bank and overbank was formed.The gravity flow deposition under deep water is controlled by the channel valley landforms, with main vertical aggradation and inferior lateral one.During the vertical aggradation process, the deposition, erosion, re-deposition and re-erosion occurs continuously for gravity flow sand body, causing the multiple distorted configuration of sandstone body in the semis profiles which distinguished from the meandering river deposition.
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