ROS (0 20 30 40 



.0 .9 .8 .7 .6 



PSP 8 SSP 



Saturation Correction 

 f ROS Known 



Rmf/R« : 25 

 Apparent Sw : 55 *i 

 Truj 5» = 37% 

 (ROS = 157.1 



'A Contribution to Electrical 



Figure 14-24. Saturation determination chart. 



Permeability 



To date there is no direct logging method for measuring permeability in 

 the hole. It is true that the MicroLog shows the location of the mud cake and 

 thus can point out intervals that have taken mud nitrate and, consequently, 

 have some permeability. This is of particular interest in most hard rocks. In 



324 



