裂缝型储层裂缝发育程度分形描述方法  

Fractal Description of the Fracture Reserviors

作　　者：尹燕义[1,2] 柳成志[1,2] 陈洪波 李维民 杨纯东 

机构地区：[1]大庆石油学院石油勘探系 [2]辽河石油管理局

出　　处：《大庆石油学院学报》1998年第1期8-10,共3页Journal of Daqing Petroleum Institute

摘　　要：运用分形几何学的方法，对辽河油田洼３８块变质岩潜山油藏裂缝型储层的裂缝发育程度分布特征进行了研究，发现储层裂缝发育程度和分布具有自相似性，可用分形几何学进行描述。介绍了求取储层宏观裂缝分维值的盒维数方法和求取储层微观裂缝分维值的康托点集法。储层裂缝分维Ｄ值是描述储层裂缝发育程度的定量参数。在碎屑岩中裂缝最发育，分维值最高；其次为混合花岗岩；辉绿岩脉裂缝发育程度最差，分维值最小。The principles and methods of fractal geometry are applied to the study of fracture characteristics of the fracture reserviors of 38 metamorphic rocks in burried hill oil pool in Liaohe oil field. The results show that the spatial distribution of reservior fracture can be regarded as having self similarity. And the distribution regularity of the fracture can be described by fractal geometry. The paper presents the box counting method to calculate the fractal dimensions of the reservior macro fractures and the Cantor's dust method to the micro fractures. The fractal dimension D value is a quantitative parameter to describe the complexity of the reservoir fractures. The fractures are most developed in the clastic rock. And the fractal dimension D value is the biggest, and then in the migmagranite. In the diabase vein the fractures are very poor. And the fractal dimension D value is the smallest.

关 键 词：储层 裂缝 分形学 分维值 油气资源 

分 类 号：P618.130.2[天文地球—矿床学]