| 地震沉积学在近岸水下扇沉积体系分析中的应用以泌阳凹陷东南部古近系核三上亚段为例 |
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| 引用本文： | 耿晓洁,朱筱敏,董艳蕾.地震沉积学在近岸水下扇沉积体系分析中的应用以泌阳凹陷东南部古近系核三上亚段为例[J].吉林大学学报(地球科学版),2016,46(1):57-64. |
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| 作者姓名： | 耿晓洁 朱筱敏 董艳蕾 |
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| 作者单位： | 1. 北京易华录信息技术股份有限公司, 北京 100043;
2. 中国石油大学(北京)地球科学学院, 北京 102249 |
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| 基金项目： | 国家自然科学基金项目(41272133，41202078)；中国石油大学(北京)科研基金(KYJJ20120131)Supported by Project of National Natural Science Foundation of China(41272133，41202078)，China University of Petroleum (Beijing)Reasearch Fund(KYJJ20120131) |
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| 摘 要： | 泌阳凹陷东南部受盆地边界断层控制,主要沉积平氏、栗园两套近岸水下扇复合体。为解决砂砾岩体分布预测的难题,本次研究在建立泌阳凹陷东南部陡坡带核三上亚段高频层序地层格架的基础上,运用地震沉积学的技术,进行相位转换、分频处理、地层切片,分析研究区古近纪核桃园组上亚段4个四级层序(从上到下SQH31-SQH34)内,近岸水下扇复合沉积体系的砂体展布特征,并与钻井资料相结合,建立了研究区核三上亚段的沉积相模式。研究表明核三上亚段沉积早期,断裂活动强度大,SQH34-SQH33内扇体展布面积较大,核三上亚段沉积晚期SQH32-SQH31,扇体横向展布相对稳定。其中,中扇亚相的辫状水道砂体,以及扇体前端的滑塌浊积体是油气勘探的主要目标。
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| 关 键 词： | 泌阳凹陷 地震沉积学 近岸水下扇复合沉积体系 油气 核桃园组 |
| 收稿时间： | 2015-04-03 |
Application of Seismic Sedimentology to Subaqueous Fan Complex Systems:A Case Study on Palaeogene He3 Section in Biyang Sag |
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| Geng Xiaojie,Zhu Xiaomin,Dong Yanlei.Application of Seismic Sedimentology to Subaqueous Fan Complex Systems:A Case Study on Palaeogene He3 Section in Biyang Sag[J].Journal of Jilin Unviersity:Earth Science Edition,2016,46(1):57-64. |
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| Authors: | Geng Xiaojie Zhu Xiaomin Dong Yanlei |
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| Institution: | 1. Beijing E-Hualu Information Technology Co., Ltd, Beijing 100043, China;
2. College of Geosciences, China University of Petroleum, Beijing 102249, China |
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| Abstract: | Controlled by the boundary faults,Pingshi and Liyuan subaqueous fan complex systems are developed in the southeast of Biyang sag.In order to anticipate the distribution of sandbodies of subaqueous fan system,the high resolution sequence framework of He3 section is established,and on which the 90°phase shift technique,stratal slicing,and quantitative seismic sedimentology are used to analyze the characteristics of four sequential layers in He3 section,and further combing with the log data the sedimentary model of the He3 section is achieved.Based on this study,we find that during SQH34 SQH33 when the boundary faults were active strongly,the fans spreaded into a large area;while during SQH32 SQH31,the fans’distributions were relatively stable.Sandbodies of middle fans and slump turbidite are the targets for oil and gas exploration. |
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| Keywords: | Biyang sag seismic sedimentology subaqueous fans complex petroleum gas Hetaoyuan Formation |
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