收稿日期: 2010-06-29
修回日期: 2011-04-17
网络出版日期: 2011-10-10
基金资助
国家科技重大专项课题(编号:2008ZX05001-006)资助.
Application of Seismic Attributes Analysis in Identification of Fault-stratigraphic Trap:A Case of Qingshuihe Formation in Chepaizi Region#br#
Received date: 2010-06-29
Revised date: 2011-04-17
Online published: 2011-10-10
周路, 李新豫, 吾许克, 陆鹏, 付立, 李先艳 . 地震属性分析技术在断层地层圈闭识别中的应用——以车排子地区清水河组为例[J]. 天然气地球科学, 2011 , 22(5) : 894 -900 . DOI: 10.11764/j.issn.1672-1926.2011.05.894
The Cretaceous Qingshuihe Formation in the eastern slope of Chepaizi area overlap from Shawan sag to high position of the uplift,and the distribution of the northwest-southeast striking faults as a row and belt shape are profitable to the fault-stratigraphic composite trap in this area.The seismic coherence technology is a tool to identify the small faults.The combination of frequency and amplitude attributes has ability to effectively identify the thin sand pinch-out line.the delta front sand body distribution at different stages of sand formation can be identified by the amplitude characteristics of along layer attribute to predict the detailed development of sand area.The combination of structure interpretation and seismic attributes can evaluate the development of the trap reservoir.By the means of seismic attributes analysis above,we point out that five fault-stratigraphic traps existed at the second stage of sand formation,sand body as an important exploration aim is developed within each traps,and the A and C traps are the preferred target for the future exploration.
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