20" 



30" 



7QQQ 



_LO_ 



_20_ 



_3Q_ 



i 



AQ. 



7QSO 



^0_ 



JZQ_ 



-B0_ 



^0_ 



7100 



10 



.20_ 



3D_ 



_40_ 



7150 



fc> 



j60_ 



Figure 16-3. Caliper log in Smith County, Texas, used to find packer seat. 



