新疆石油地质

新疆石油地质 ›› 2004, Vol. 25 ›› Issue (1): 202-203.

• 应用技术 • 上一篇    下一篇

驱油效率和体积波及系数的确定

相天章, 李鲁斌   

  1. 中国石油辽河油田分公司勘探开发研究院,辽宁盘锦124010
  • 收稿日期:2003-06-19 出版日期:2004-02-01 发布日期:2020-08-14
  • 作者简介:相天章(1956-),男,辽宁辽阳人,高级工程师,硕士,油藏工程。联系电话:0427-7820274

Determination of Displacement Efficiency and V olumetric Sweep Efficiency

XIANG Tian-zhang, LI Lu-bin   

  1. Research Institute of Exploration and Development, Liaohe Oilfield Company, PetroChina, Panjin, Liaoning 124010, China
  • Received:2003-06-19 Online:2004-02-01 Published:2020-08-14

摘要： 从Buckley-Leverett 一维水驱理论出发得到了驱油效率与可采储量采出程度的数学关系,且驱油效率有最小值。在此基础上，进一步建立了实际油藏的驱油效率与可采储量采出程度的数学模型。利用采出程度驱油效率和体积波及系数三者关系。给出了体积波及系数与可采储量采出程度的计算公式。根 据驱油效率和体积波及系数计算公式.提出了注水开发后期体积波及系数和驱油效率潜力分析方法和应采取的开发方式。通过实际应用计算结果与已有成果相一致。

关键词: 注水, 油田开发, 体积波及系数, 驱油效率, 数学模型

Abstract: In accordance with one dimensional waterflood theory of Buckley-Leverett,mathematical relationship between oildisplacement efficiency and recovery percent of recoverable reserves as well as minimum value of displacement efficiency arederived. And the numerical model of this relationship from a case of Liaohe field is developed accordingly. In addition, using therelationship among recovery percent,displacement and volumetric sweep efficiency, the equations for estimation of the volumetricsweep efficiency and the recovery percent of recoverable reserves are obtained, based on which the volumetric sweep efficiencyand the potential analysis of displacement efficiency in late stage of waterflooding along with development regime to be adoptedare proposed. The actual application is identical to the calculated results.

Key words: water flood, oilfield development, volumetric sweep efficiency, displacement efficiency, mathematical model

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