[1]赵靖康,安玉华,李媛婷,等.一种微粒运移影响油井产液规律的数模表征方法[J].复杂油气藏,2023,16(02):191-194.[doi:10.16181/j.cnki.fzyqc.2023.02.012]
 ZHAO Jingkang,AN Yuhua,LI Yuanting,et al.A numerical simulation method of particle migration affecting well fluid production[J].Complex Hydrocarbon Reservoirs,2023,16(02):191-194.[doi:10.16181/j.cnki.fzyqc.2023.02.012]
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一种微粒运移影响油井产液规律的数模表征方法()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
16卷
期数:
2023年02期
页码:
191-194
栏目:
油气开发
出版日期:
2023-06-25

文章信息/Info

Title:
A numerical simulation method of particle migration affecting well fluid production
作者:
赵靖康安玉华李媛婷王 刚刘建华
中海石油(中国)有限公司天津分公司渤海石油研究院,天津 300452
Author(s):
ZHAO JingkangAN YuhuaLI YuantingWANG GangLIU Jianhua
Bohai Oil Research Institute of CNOOC Tianjin Branch Company,Tianjin 300452,China
关键词:
井筒堵塞数值模拟可动微粒含量采液指数
Keywords:
wellbore blockagenumerical simulationmovable particle contentliquid production index
分类号:
TE319
DOI:
10.16181/j.cnki.fzyqc.2023.02.012
文献标志码:
A
摘要:
P油田为多层砂岩油藏,采用防砂完井方式生产,目前进入中高含水期,油井产液规律与常规油田开发不同,多数油井投产后产液下降,少数油井投产后产液量稳定或随着含水升高而增加,对油藏数值模拟拟合与开发指标预测有很大影响。通过油田100多口油井的产液规律分析,认为井筒附近可移动微粒含量是影响产液规律的主要因素。为了在数模中表征这种现象,通过对油井月平均产液指数标准化和累积产液标准化,结合油井射孔段不同的可移动微粒平均含量,进行大数据统计分析,回归建立无因次产液指数变化倍数、累积产液和可移动微粒含量的关系公式。新方法应用于油藏数值模拟的历史拟合和预测,大幅改善了拟合和预测精度。
Abstract:
The P Oilfield is a multi-layer sandstone reservoir, which is produced by the sand control completion method, and is now entering the medium to high water cut period. The liquid production law of oil wells is different from conventional oilfield development, with most wells producing decreasing fluid after production, and a few wells producing stable fluid or increasing with increasing water cut after production, which has a great impact on the numerical simulation fitting and development index prediction of the reservoir. Based on the analysis of the liquid production law of more than 100 oil wells in the oilfield, it is concluded that the content of movable particles near the wellbore is the main factor affecting the liquid production pattern. To characterize this phenomenon in the numerical model, a large data statistical analysis was performed by normalizing the monthly average fluid production index and cumulative fluid production of the wells, combining different average contents of movable particles in the perforation section of the wells, and regressing to establish the relationship formulas of non-dimensional liquid production index decline times, cumulative liquid production and the movable particle content. The new method was applied to the historical fitting and prediction of reservoir numerical simulation, which greatly improves the fitting and prediction accuracy.

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备注/Memo

备注/Memo:
收稿日期:2022-08-10;
改回日期:2022-10-09。
第一作者简介:赵靖康(1973—),高级工程师,目前从事油气田开发研究工作。
E-mail:zjk4846679@163.com。
更新日期/Last Update: 2023-06-25