【摘要】 应用分形理论证实了疏松砂岩储层粒度组成具有自相似的分形结构,通过对某油田140块岩样粒度分形维数的研究,给出了该地区疏松砂岩储层粒度分形维数值的范围。粒度分形维数与分选系数、粘土含量有较好的相关性,且粒度分形维数可以表征粒度分布特征及储层物理力学特性,也可进行储层粒度分布随钻分析及确定完井割缝筛管筛缝宽度等。更多还原

【Abstract】 The granularity distributing is self similar in loose sandstone reservoir rocks is proved by the fractal theory. Based on the studies on granular fractal dimensions of 140 samples from some oilfield, the fractal numerical ranges for the loose sandstone reservoir zones of this area are obtained. The granular fractal dimensions are related greatly to choosing coefficient, clay quantities, and it can be used to describe granular distributing features and reservoir physicalmechanics and to analyze granular distributing in reservoirs while drilling and determine the screen width, etc.更多还原