利用地震切片技术分析沉积相的潜在风险与对策

苏明军, 倪长宽, 袁淑琴, 蔡刚

doi:10.11764/j.issn.1672-1926.2014.12.2034

天然气地球科学 >

2014 , Vol. 25 >Issue 12: 2034 - 2039

DOI: https://doi.org/10.11764/j.issn.1672-1926.2014.12.2034

天然气勘探

利用地震切片技术分析沉积相的潜在风险与对策

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1.中国石油勘探开发研究院西北分院，甘肃兰州730020；
2.中国石油大港油田勘探开发研究院，天津 300280

苏明军（1970-)，男，江苏江阴人，高级工程师，博士，主要从事沉积储层研究.E-mail：sumj@petrochina.com.cn.

收稿日期: 2014-04-15

修回日期: 2014-07-22

网络出版日期: 2019-09-18

基金资助

中国石油重大科技攻关项目“地震沉积学软件系统研制及应用”（编号：2012B-3709)资助.

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Potential Risks and Countermeasures of Sedimentary Facies Analysis by Seismic Slice

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1.Northwest Branch,PetroChina Research Institute of Petroleum Exploration ; Development,Lanzhou 730020,China;
2.Research Institute,Dagang Oilfield Company,Tianjin 300280,China

Received date: 2014-04-15

Revised date: 2014-07-22

Online published: 2019-09-18

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摘要

近年来地震切片技术在沉积分析中得到广泛应用。但由于陆相地层的复杂性和地震数据本身的带限特性，地震切片应用中广泛存在不确定性和非唯一性，主要分析了:①复杂岩性的影响；②地震切片穿时造成的影响；③地质模型的多样性；④先验知识不足对地震切片应用的影响。并结合实际资料指出了引起地震切片应用风险的基本原因、主要因素及其可能产生的现象，明确了地震切片应用的前提和应用范围，进一步提出了应对风险的相应对策。

关键词： 地震切片; 地质模型; 等时性; 复杂岩性; 沉积相; 风险

本文引用格式

苏明军, 倪长宽, 袁淑琴, 蔡刚 . 利用地震切片技术分析沉积相的潜在风险与对策[J]. 天然气地球科学, 2014 , 25(12) : 2034 -2039 . DOI: 10.11764/j.issn.1672-1926.2014.12.2034

Abstract

In recent years,seismic slice technique has been widely applied in sedimentary analyses.However,uncertainty and non-uniqueness existed during application due to the complexity of continental strata and frequency band limitation of seismic data.The following risks were studied: (1)effect of complex lithology; (2)effect of diachronous seismic slice; (3)diversity of geological models; (4)effect of prior acknowledge limitation on application of seismic slice. Combined with actual data,the basic reasons,main factors and potential phenomena that may cause risks during application of seismic slice were pointed out, the prerequisite and scope for seismic slice application were confirmed, and corresponding countermeasures coping with risks were submitted.

Key words： Seismic slice; Geological model; Isochronous; Complex lithology; Sedimentary facies; Risk

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