地震属性分析技术在断层地层圈闭识别中的应用&mdash;&mdash;以车排子地区清水河组为例

周路, 李新豫, 吾许克, 陆鹏, 付立, 李先艳

doi:10.11764/j.issn.1672-1926.2011.05.894

天然气地球科学 >

2011 , Vol. 22 >Issue 5: 894 - 900

DOI: https://doi.org/10.11764/j.issn.1672-1926.2011.05.894

天然气勘探

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

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1.西南石油大学,“油气藏地质及开发工程”国家重点实验室，四川成都610500；
2.中国石油勘探开发研究院廊坊分院，河北廊坊 065007；
3.新疆油田公司勘探开发研究院，新疆克拉玛依 834000；
4.川庆钻探工程公司测井公司，重庆 400021

周路（1962-），男，四川武胜人，教授，博士，主要从事地震资料解释，地震岩性与储层预测等方面的科研与教学.

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.

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Application of Seismic Attributes Analysis in Identification of Fault-stratigraphic Trap:A Case of Qingshuihe Formation in Chepaizi Region#br# 

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1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,
Chengdu 610500,China;2.Langfang Branch of Research Institute of Petroleum Exploration & Development,
PetroChina,Langfang 065007,China;3.Research Institute of Exploration and Development,Xinjiang Oilfield Branch,
Karamay 834000,China;4.Logging Company,Chuanqing Drilling Engineering Co.Ltd.,CNPC,Chongqing 400021,China

Received date: 2010-06-29

Revised date: 2011-04-17

Online published: 2011-10-10

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摘要

白垩系清水河组在车排子凸起东斜坡区由沙湾凹陷向隆起高部位层层超覆尖灭，北西—南东向断裂成排成带分布，易形成断层与地层超覆型复合圈闭。地震相干分析技术对识别小断距断层有较大的帮助，分频和振幅类地震属性的结合可有效识别薄砂层组超覆尖灭线，沿层振幅类属性特征可识别研究区各期砂层发育期三角洲前缘沉积体的分布，进一步预测砂体的发育区。构造解释与地震属性的结合可评价圈闭储层发育特征，指出研究区第二期砂层组发育5个断层地层圈闭，圈闭内砂体发育，具有重要勘探价值，其中A圈闭、C圈闭是下一步首选勘探目标。

关键词： 准噶尔盆地; 车排子地区; 清水河组; 地震属性; 断层地层圈闭

本文引用格式

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

Abstract

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.

Key words： Junggar basin; Chepaizi area; Qingshuihe Formation; Seismic attribute; Fault-stratigraphic trap.

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