LEGEND 



1/ / / /I Delomif* 

 ]/■'.-'■/■':/ A S^nJy Dolomltm 



'- - -^ ■»- I Anhydritt 



■ '—'- ^~-^ :l Sandy Sh^lf 



■^\y:^-iiy--\ Sand 



:-r-:-r-v--i SA*/e 



Oil SAow oJ 

 Oil Pay ,J 



. Gr*y Srlnelu Coifiie Slight fo fair porosity fJeoit Stttiri 

 Safur*tcel\ SligfiUy poroux 



Dot. Gr»<j Sh«l9 



S/ip dogs in hole 

 ti/ar porous Dot- 



Tan Oil SUin^ Slightly anhy. Dot. 



Figure 151. Type of sample log of producing section. Lithology 

 is plotted on a percentage basis. Drilling-time data are re- 

 corded to right of lithologic column. Note slow penetration 

 rate through anhydrite above 4,000 feet. 



