低渗透稠油油藏水平井优化设计研究

丁一萍, 李江龙, 刘传喜, 刘芳, 阚新东, 祖振昆

doi:10.11764/j.issn.1672-1926.2011.03.561

天然气地球科学 >

2011 , Vol. 22 >Issue 3: 561 - 565

DOI: https://doi.org/10.11764/j.issn.1672-1926.2011.03.561

天然气开发

低渗透稠油油藏水平井优化设计研究

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1.中国石油化工股份有限公司石油勘探开发研究院博士后工作站，北京 100083；
2.中国石油大学博士后流动站，北京 102249;
3.中国石油化工股份有限公司石油勘探开发研究院，北京 100083;
4.中国石油大学（北京）石油工程学院，北京 102249;
5.中国石油大港油田分公司，天津 300280

丁一萍（1981-），女，黑龙江人,博士后，主要从事油气田开发研究.

收稿日期: 2011-02-22

修回日期: 2011-04-25

网络出版日期: 2011-06-10

基金资助

“十二五”国家重大专项“裂缝—孔隙型碳酸盐岩稠油油藏开发关键技术研究”（编号：2011ZX05031-002）资助.

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Optimized Horizontal Technology in Low Permeability and Heavy Oil Reservoirs

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1.Post Doctoral Research Center,Petroleum Exploration and Production Research Institute,SINOPEC,Beijing 100083,China;
2.Post Doctoral Research Center,China University of Petroleum,Beijing 102249,China;3.Petroleum Exploration and
Production Research Institute,SINOPEC,Beijing 100083,China;4.Petroleum Engineering Institute,China University
of Petroleum,Beijing 102249,China;
5.Dagang Oidfield Company,PetroChina,Tianjin 300280,China

Received date: 2011-02-22

Revised date: 2011-04-25

Online published: 2011-06-10

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摘要

在蒸汽吞吐的开发方式下，利用热采数值模拟方法，针对低渗透稠油油藏水平井应用的井距和水平段长度展开优化研究，建立了低渗中粘、高渗高粘、中渗高粘、高渗中粘4种不同油藏类型的模型，以周期生产气油比和累积产油量做为对比指标。[JP2]认为低渗中粘稠油油藏不同于中高渗高粘稠油油藏，应用水平井开发不会发生水平井端部效应。低渗中粘稠油油藏，水平井合理井距在100 m[JP]，水平段长度为300~400 m效果最佳。

关键词： 稠油油藏; 蒸汽吞吐; 末端效应; 优化设计

本文引用格式

丁一萍, 李江龙, 刘传喜, 刘芳, 阚新东, 祖振昆 . 低渗透稠油油藏水平井优化设计研究[J]. 天然气地球科学, 2011 , 22(3) : 561 -565 . DOI: 10.11764/j.issn.1672-1926.2011.03.561

Abstract

Based on development of cyclic steam,we used the thermal numerical simulation to do the optimized horizontal technology for the horizontal well spacing and horizontal well section length in the carbonate reservoirs with low permeability and heavy oil.We established four different kinds of numerous models for low permeability and medium viscosity,high permeability and high viscosity,medium permeability and high viscosity,and high permeability and medium viscosity.The production steam\|oil ratio and cumulative oil production was chosen as correlation index.The result shows that the end effect of steam injection does not happen in the heavy oil reservoirs with low permeability and moderate viscosity by horizontal well,which is different in the high permeability and high viscosity reservoirs.In the low permeability and moderate viscosity heavy oil reservoirs,the reasonable well spacing of horizontal wells is 100m,and the horizontal well length rang from 300m to 400m after the optimization.

Key words： Heavy oil reservoir; Cyclic steam stimulation; End effect; Optimization design.

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