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天然气地球科学

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一种评价水驱特征曲线适用性的方法

张枫，曹肖萌，易继贵，蔡银涛，郭立波，王玉珍，潘婷婷   

  1. 1.中国石油集团东方地球物理勘探有限责任公司，河北 涿州 072750;
    2.中国石油大港油田分公司，天津 300280
  • 收稿日期:2013-06-09 修回日期:2013-08-20 出版日期:2014-03-10 发布日期:2014-03-10
  • 通讯作者: 张枫zhfeng6969@163.com E-mail:zhfeng6969@163.com
  • 作者简介:张枫(1974-)，男，四川南部人，副教授，博士，主要从事油气田开发研究.E-mail:zhfeng6969@163.com.
  • 基金资助:

    国家科技重大专项课题“复杂油藏地球物理配套技术”(编号:2011ZX05019-006)资助.

A Method of Evaluation Suitability of Waterflood Curve

ZHANG Feng，CAO Xiao-meng，YI Ji-gui，CAI Yin-tao，GUO Li-bo，WANG Yu-zheng，PAN Ting-ting   

  1. 1.BGP Inc.,China National Petroleum Corporation,Zhuozhou 072750,China;
    2.PetroChina Dagang Oilfield Company,Tianjin 300280,China
  • Received:2013-06-09 Revised:2013-08-20 Online:2014-03-10 Published:2014-03-10

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407

摘要：

水驱特征曲线是油藏动态分析和预测水驱采收率的有效工具。常用的主要有甲、乙、丙、丁4种。然而这4种水驱曲线各代表一种水驱油田含水上升规律，且计算的可采储量存在较大差异。若采用4种水驱曲线计算结果平均的方法进行可采储量标定，则会造成错误的油藏认识。如何选择适合的水驱特征曲线是合理进行油藏动态分析和可采储量预测的关键。通过研究提出了利用反映综合生产特征的R*—fw关系曲线进行水驱特征曲线适用性评价的方法,并通过实例说明该方法的具体评价过程、合理性以及水驱曲线的具体应用。

关键词: 水驱特征曲线, 可采储量, 含水上升, 动态预测

Abstract:

Waterflood curves of A,B,C and D are effective methods to analyze reservoir performance and predict recoverable reserves in waterflood oilfields.However,each curve of these represents one kind of water cut trend,and their calculation results of recoverable reserves are very different.If recoverable reserves are obtained by averaging the results of four curves,reservoir recognition may be known by mistake.How to choose the suitable waterflood curve becomes the key of forecasting recoverable reserves and analyzing reservoir performance.Through the research,R*-fw curve which reflects composite production performance is present to evaluate the applicability of waterflood curve in this paper and an example is given to illustrate the evaluation process and rationality of this method,and the application of waterflood curves.

Key words: Water drive curve, Recoverable reserves, Water cut trend, Performance forecasting

中图分类号: 

  • TE341

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