大庆石油地质与开发

1982, (Z1) 190-198

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用统计法研究油层渗透率非均质性
PERMEABILITY HETEROGENEITY STUDY OF OIL RESERVOIRS WITH STATISTIC METHOD

齐与峰
Qi Yufeng ;

摘要(Abstract):

本文应用数理统计法研究大庆油田各大开发区不同开发层系的渗透率分布规律,其中大部分符合皮尔逊第三型Γ(x)分布,另一些符合其变态Γ(x~2)分布。萨达洛夫分布是Γ(x)分布自由度为3时的特殊情形;马克士威尔分布是Γ(x~2)分布自由度为3时的特殊情形。 文中还对不同类型分布函数的性质做了理沦分析,它们有着广泛的实用意义。 文章最后给出几种分布规律对无水和最终采收率的影响。
: A study of permeability distributions of different groups of objective zones in each major development units of Daqing oil-field has been made in this paper by using mathematic statistics. Among these distributions most are in accord with г(x) distribution of Pirson type Ⅲ, the rest being in accord with his abnormal г(x) distribution. M.M. Sattarov distribution is an exceptional case of г(x) distribution at a freedom degree of 3 and Maxwell distribution is a special case of г ( x2 ) distribution at a freedom degree of 3. A theoretical analysis of the characters of different distribution func-tions, which have an extensively applicable significance, is also made in this paper. In its last part this paper gives us the effect of several distributions on the watar breakthrough and ultimate oil recovery factors.

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作者(Authors): 齐与峰
Qi Yufeng ;

DOI: 10.19597/j.issn.1000-3754.1982.z1.007

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