[1]李迎新.低渗透裂缝型砂岩油藏加密调整数值模拟研究[J].复杂油气藏,2009,(04):45.
　Li Yingxin.Numerical simulation study on well pattern realignment by infilling for a low-permeability and fractured sandstone reservoir[J].Complex Hydrocarbon Reservoirs,2009,(04):45.
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低渗透裂缝型砂岩油藏加密调整数值模拟研究
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2009年04期
页码:
45
栏目:
OA
出版日期:
2009-12-25

文章信息/Info

Title:
Numerical simulation study on well pattern realignment by infilling for a low-permeability and fractured sandstone reservoir
作者:
李迎新;
中国石油天然气股份有限公司大庆油田有限责任公司采油工程研究院,黑龙江 大庆 163453
Author(s):
Li Yingxin
Oil Production Engineering Research Institute of Daqing Oilfield Company Ltd,PetroChina,Daqing,Helongjiang 163453
关键词:
低渗透油藏;  裂缝;  砂岩油藏;  数值模拟;  加密调整
Keywords:
low permeability;  fracture;  economic limit of well spacing;  numerical simulation;  infilling realignment
分类号:
TE324
文献标志码:
A
摘要:
针对低渗透裂缝型砂岩油藏新肇油田转成线性注水井网开发中暴露出的矛盾,利用采收率与井网密度公式计算新肇油田经济极限井距。根据井点信息,结合数字化沉积相研究成果,建立了新站油田相控地质模型,应用CMG数模软件中的双孔双渗模型开展新肇油田古634区块剩余油研究,主要开发指标历史拟合精度在5%以内,较好地适应新站低渗透裂缝性油藏,定性定量地搞清剩余油分布规律;针对剩余油特点,开展该区加密调整研究,设计不同的加密方案并通过数值模拟评价其开发效果,应用经济评价优选出合理的加密调整方式是油井间垂直距离50m中心加密油井
Abstract:
In view of the contradictions exposed from converting to a waterflooding development of linear well network in Xinzhao Oilfield,which is a low permeability fractured sandstone reservoir,the economic limit of well spacing was calculated by recovery ratio and well spacing density formula.Based on information of well points,also integrating the research results of digitized sedimentary facies,a facies-controlled geological model for Xinzhao Oilfield was established,and then a dual-porosity and dual-permeability model in the commercial software of CMG was applied to study remaining oil of Gu 634 block in Xinzhao oilfield.The history match precision of main development indexes is within 5%,the distribution characteristics of remaining oil were analyzed qualitatively and quantificationally.According to the characteristics of remaining oil,well pattern realignment by infilling for the block was studied.Different infilling realignment schemes were designed,and developmental effects of these schemes were evaluated by numerical simulation.A reasonable infilling realignment scheme,in which an oil well is infilled at center of 50m of vertical distance between wells,was optimized by economic evaluation.

参考文献/References:

[1] 黄延章.低渗透油层渗流机理[M].北京:石油工业出版社,1998:75-79
[2] 齐与峰.砂岩油田注水开发合理井网研究中的几个理论问题[J].石油学报,1990,11(4):51-60
[3] 刘子良.裂缝性低渗透砂岩油田合理注采井网[J].石油勘探与开发,2003,4(30):85-88
[4] 周锡生.裂缝性低渗透砂岩油藏井网优化设计[J].大庆石油地质与开发,2003,4(22):25-30

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备注/Memo

备注/Memo:
收稿日期:2009-04-24; 改回日期:2009-08-15
作者简介:李迎新(1979—),女,硕士,工程师,2002年大庆石油学院石油工程专业毕业,2006年大庆石油学院油气田开发专业毕业,现从事油藏压裂改造和油藏数值模拟工作,电话:13644597337,E-mail:liyingx-1@petrochina.com.cn。
更新日期/Last Update: 2013-06-19