摘要
地层是一个非常复杂的非均质体,声波测井曲线在一定程度上反映了地层的非均质性。研究利用分形理论分析声波测井曲线。在测井资料处理中,选取一定井段的声波测井数据计算其分维数是可行的,其中Box是应用最为广泛的一种,也是最简便的一种,它能够反映孔隙结构的非均质性,可以用来研究测井曲线的形态。而且由于逐点计算的要求,研究将采用窗口技术来计算声波测井曲线的Box。结果表明,Box的大小与测井曲线的读数无关,而只与测井曲线读数的变化有关。而测井曲线读数的变化为地层的非均质性。
The stratigraphy was a very complex heterogeneous body,acoustic logging curve was the reflection of the heterogeneous body.The fractal theory was used to analyze the box-dimension of acoustic logging curve.It was feasible to calculate the fractal dimension of a section of the acoustilog in processing log data and the box-dimension was applied most widely and easily,it could be used to reflect the heterogeneity of the stratigraphy.In this paper windows analysis was used to calculate the box-dimension of the acoustic logging curve.The results show that the size of box-dimension is not related with the readings of logging curve,and it is related with the changes of the readings; while the reading changes are the heterogeneity of the stratigraphy.
出处
《石油天然气学报》
CAS
CSCD
北大核心
2009年第5期299-301,共3页
Journal of Oil and Gas Technology
关键词
声波
测井曲线
分形
BOX
窗口分析
acoustic
logging curve
fractal
box-dimension
windows analysis
