大气顶窄油环油藏屏障注水开发技术适应性研究&mdash;&mdash;以渤海锦州25-1南油田E<em><sub>s</sub></em>3-I油藏为例

童凯军, 赵春明, 张迎春, 何新容

doi:10.11764/j.issn.1672-1926.2011.03.566

天然气地球科学 >

2011 , Vol. 22 >Issue 3: 566 - 570

DOI: https://doi.org/10.11764/j.issn.1672-1926.2011.03.566

天然气开发

大气顶窄油环油藏屏障注水开发技术适应性研究——以渤海锦州25-1南油田E_s3-I油藏为例

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1.中海石油（中国）有限公司天津分公司勘探开发研究院，天津 300452；
2.中海油能源发展钻采工程研究院，天津 300452

童凯军（1984-），男，安徽安庆人，硕士，主要从事油藏数值模拟及油藏工程研究工作.

收稿日期: 2010-12-02

修回日期: 2011-02-22

网络出版日期: 2011-06-10

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Adaptability and Development Suggestion of Barrier Water Flooding for Reservoir with Big Gas Cap and Thin Oil ring

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1.Tianjin Branch of CNOOC Limited, Tianjin 300452,China;
2.CNOOC Energy Technology and Service-Oilfield Engineering Research Institute, Tianjin 300452,China.

Received date: 2010-12-02

Revised date: 2011-02-22

Online published: 2011-06-10

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摘要

气顶油藏作为一类较为复杂的油气藏类型，在开发中遇到的最主要问题就是气顶气锥进，造成油井气窜，严重影响油井产能。以渤海锦州25-1南油田E_s3-I油藏为研究对象，应用数值模拟方法对屏障注水技术开发大气顶窄油环油藏的对策机理进行了系统论证，并分析了对该类油藏实施屏障注水的技术可行性以及合理屏障注水比例、注水时机等开发参数。结果表明：与衰竭开发脑及常规注水开发方式相比,屏障注水开发能显著提高此类油藏的采收率。

关键词： 气顶油藏; 屏障注水; 油环; 数值模拟; 锦州25-1南油田

本文引用格式

童凯军, 赵春明, 张迎春, 何新容 . 大气顶窄油环油藏屏障注水开发技术适应性研究——以渤海锦州25-1南油田E_s3-I油藏为例[J]. 天然气地球科学, 2011 , 22(3) : 566 -570 . DOI: 10.11764/j.issn.1672-1926.2011.03.566

Abstract

For reservoirs with big gas cap and thin oil\|ring, gas channeling may obviously reduce well productivity.So how to prevent gas channeling is an important problem in the development of such reservoirs.This paper takes reservoir E_s3-I of JZ25-1 oilfield as an example, using numerical simulation to study the adaptability of barrier water flooding, and analysing the technical feasibility and operational parameters of barrier water flooding.The results show that depletion and common water flooding are not available in the development of such reservoirs, while barrier water flooding can increase the recovery ratio; the effect is the best when the barrier water injection takes 60 percent of total water injection.

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Key words： Reservoir with gas cap; Barrier water flooding; Narrow oil rim; Simulation; JZ25-1 oil field.<; p>

参考文献

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