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现代地质 ›› 2007, Vol. 21 ›› Issue (Suppl): 161-164.

• 地球探测与空间信息技术 • 上一篇    下一篇

低渗透油藏压裂参数优化研究

谷丽冰,李治平,侯秀林,周金应   

  1. 中国地质大学 能源学院,北京100083
  • 收稿日期:2006-09-20 修回日期:2006-12-30 出版日期:2007-08-20 发布日期:2007-08-20
  • 作者简介:谷丽冰,女,博士研究生,1975年出生,油气田开发工程专业,主要从事油气田开发方法理论的研究。

Optimizing Fracturing Parameters on Low-permeability Reservoir

GU Li-bing, LI Zhi-ping,HOU Xiu-lin, ZHOU Jin-ying   

  1. School of Energy Resources, China University of Geosciences, Beijing100083, China
  • Received:2006-09-20 Revised:2006-12-30 Online:2007-08-20 Published:2007-08-20

摘要:

开发低渗透油藏时,压裂已成为必不可少的增产手段。针对低渗透油藏进行压裂参数优化研究有重要的实际意义。进行压裂参数优化模拟的步骤如下:首先建立数学模型,然后计算分析裂缝半径、导流能力、裂缝方向等因素对产量和含水率的影响,根据计算结果分析不同参数值对产量和含水率的影响,进而优选出最佳参数值。计算结果显示裂缝参数的最优值如下:无因次裂缝半径为0.1,导流能力为15~30 μm2·cm,裂缝方向沿低渗透方向延伸。压裂参数优化的思路和方法对提高低渗透油藏开发压裂效果有显著的指导意义。

关键词: 低渗透, 压裂, 参数优化, 数值模拟

Abstract:

About 60% petroleum reserves are low-permeability reservoirs in China now. Fracturing is needed in order to improve productivity of these reservoirs. The research of optimizing fracturing parameters by the use of numerical simulation can offer theory guidance to actually working design. Firstly, mathematics pattern was founded. Then,  different values of radius,flow conductivity and direction of fractures were calculated,and their effects on productivity and water cut were analyzed. Computation results indicate that this method can improve the effect of fracturing in low-permeability reservoir, and optimal values of fracturing parameters do exist.

Key words: low-permeability, fracturing, parameter optimization, numerical simulation

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