天然气地球科学 ›› 2012, Vol. 23 ›› Issue (2): 359–364.doi: 10.11764/j.issn.1672-1926.2012.02.359

• 天然气勘探 • 上一篇    下一篇

地震沉积学在准噶尔盆地玛湖西斜坡区三叠系百口泉组的应用

 郭璇, 潘建国, 谭开俊, 王斌   

  1. 中国石油勘探开发研究院西北分院,甘肃 兰州 730020
  • 收稿日期:2011-10-26 修回日期:2012-02-20 出版日期:2012-04-10 发布日期:2012-04-10
  • 通讯作者: 郭璇guoxuan@petrochina.com.cn. E-mail:guoxuan@petrochina.com.cn.
  • 作者简介:郭璇(1975-),女,甘肃临洮人,工程师,主要从事地震综合解释工作.E-mail:guoxuan@petrochina.com.cn.
  • 基金资助:

    中国石油天然气股份有限公司重大科技攻关项目“准噶尔盆地新区带有利目标优选与评价”(编号:2010D-0705-02)资助.

Application of Seismic Sedimentology in Triassic Baikouquan  Formation of Western Mahu Slope of Junggar Basin

 GUO  Xuan, PAN  Jian-Guo, TAN  Kai-Dun, WANG  Bin   

  1. Northwest Branch of Research Institute of Petroleum Exploration and Development,CNPC,Lanzhou 730020,China
  • Received:2011-10-26 Revised:2012-02-20 Online:2012-04-10 Published:2012-04-10

摘要:

地震沉积学主要是利用三维地震信息和现代地球物理技术对沉积体系、沉积相平面展布以及沉积发育史进行研究。准噶尔盆地玛湖西斜坡紧邻生油凹陷,成藏条件十分有利,油气资源丰富。但勘探目的层较深,储层非均质性强、储层较薄。通过对准噶尔盆地区域构造条件和沉积条件的研究认为,该区油藏类型多为构造岩性油藏,为此在准噶尔盆地玛湖凹陷西斜坡区三叠系百口泉组开展地震沉积学应用方面的研究,并通过对一系列地层切片的研究,结合钻井岩心信息进行动态解释,明确研究区沉积相特征。

关键词: 地震沉积学, 准噶尔盆地, 90°相移, 分频技术, 地层切片

Abstract:

Seismic sedimentology mainly uses 3D seismic information and modern geophysical technology to study sedimentary systems,sedimentary facies spread and its evolution history.The western Mahu slope close to the oil-generated sag in the vicinity of northwest margin fault belt of Junggar basin and has the favorable hydrocarbon accumulation conditions and rich oil and gas resources.But there is deep exploration bed of interest,strong heterogeneity of reservoir,and relatively thin reservoir.Based on study of regional structural and sedimentary conditions in the Junggar basin,the structural traps are not well-developed,but the composite traps such as lithological and stratigraphical trap are favorable developed.Accordingly,we carry out seismic sedimentology on the western Mahu slope of Junger basin in the 3D seismic area.We use a series of layer slices and drilled core information to dynamically interpret the target zone and determine the sedimentary facies in the study area.

Key words: Seismic sedimentology, Junggar basin, 90°, phase shift, Frequency division, Layer slicing.

中图分类号: 

  • TE122

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