Table 2 Statistic \(\:{\varvec{z}}_{\varvec{r}}\) calculated based on pearson correlation coefficients among various conventional logging parameters.

From: Sequence division and coal facies research methods of the deep No. 8 coal seam in the Daning-Jixian Block, eastern margin of Ordos basin

 

AC

CN

DEN

GR

RT

SP

AC

      

CN

0.49

     

DEN

0.39

0.028

    

GR

0.34

0.083

0.907

   

RT

0.04

0.128

0.07

0.0001

  

SP

0.05

0.127

0.42

0.113

0.125

 
Back to article page