地震属性方法在油田开发阶段薄砂体识别中的应用&mdash;&mdash;以印尼苏门答腊盆地Gemah油田M油层为例

田鑫, 王绪本, 张铭, 张文起, 毕素萍

doi:10.11764/j.issn.1672-1926.2011.03.533

天然气地球科学 >

2011 , Vol. 22 >Issue 3: 533 - 538

DOI: https://doi.org/10.11764/j.issn.1672-1926.2011.03.533

天然气勘探

地震属性方法在油田开发阶段薄砂体识别中的应用——以印尼苏门答腊盆地Gemah油田M油层为例

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1.成都理工大学地球探测与信息技术教育部重点实验室，四川成都 610059;2.中国石油勘探开发研究院西北分院，甘肃兰州 730020;3.中国石油勘探开发研究院，北京 100083

田鑫(1968-)，男，甘肃庆阳人，高级工程师，主要从事地球物理解释、油气田开发及石油地质综合研究.

收稿日期: 2010-04-27

修回日期: 2010-05-31

网络出版日期: 2011-06-10

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Application of Seismic Attributes Identifying Thin Sand Body：A Example of M Formation in Gemah Oilfield of Sumatrina Basin#br# 

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1.MOE Key Laboratory of Earth Exploration and Information Technology,Chengdu Universit of Technology,
Chengdu 610059,China; 2.The Noorthwest Division of Research Institute of Petroleum Exploration and 
Exploitation of PetroChina,Lanzhou 730020,China; 3.Division of Research Institute of Petroleum 
Exploration and Exploitation of PetroChina,Beijing 100083,China

Received date: 2010-04-27

Revised date: 2010-05-31

Online published: 2011-06-10

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摘要

印度尼西亚南苏门答腊盆地Jabung地区西北部油区的Gemah油田Lower Tanglang Aka油层组储层砂体厚度较薄，一般为5~10 m，部分小于5 m，且横向变化快。找准这些储集砂体是油田开发取得油气产量的关键因素；应用地震属性确定砂体分布既是油气开发的关键之一，也是难题之一。将地震波形分类、本征值相干体属性分析等新技术，应用于薄层砂体的识别，据此部署钻井5口，实钻与预测吻合良好，实践证实,结合测井资料，进行地震属性综合分析，是油田开发中识别薄层砂体的有效方法。

关键词： 地震属性; 薄层砂体识别; 地震本征值相干体; 地震波形分类; 南苏门答腊盆地

本文引用格式

田鑫, 王绪本, 张铭, 张文起, 毕素萍 . 地震属性方法在油田开发阶段薄砂体识别中的应用——以印尼苏门答腊盆地Gemah油田M油层为例[J]. 天然气地球科学, 2011 , 22(3) : 533 -538 . DOI: 10.11764/j.issn.1672-1926.2011.03.533

Abstract

In the LTA Formation of Gemah oilfield,northwest Jabung area of Sumatrina basin of Indonesia,reservoir sand layers are relatively thin,with the thickness of about 5\|10 meters in generally,less than 5 meters in some parts and quickly lateral variation.To find out the reservoir sand is the major work to achieve a good oil and gas product; the seismic technology is the key method to identify the distribution of sand layer and also is a big challenge.In this paper,seismic waveform classification and eigenvalue coherency cube have been applied to identify the thin sand layer.Five wells were drilled based on this method,and the outcomes of two wells are consistent with the prediction,which confirms that the integration of multi seismic attributes is a good method for identifying thin sand layer.

Key words： Seismic attributes; Identifying thin sand body; Attribute of eigenvalue coherency cube; Seismic waveform classification attribute; Sumatrina basin.

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