Subsurface Logging Methods 



357 



Figure 149. Granular dolomite with good intermediate porosity. Reverse circulated 

 cuttings. xlO. Penrose's University 2, sec. 3, blk. 10, University lands, Andrews 

 County, Texas; 4465-4470 feet. 



Figure 150. Leached oolitic porosity in dolomite. x5. Champlin's University 1-D, sec. 

 26, blk. 13, University lands, Andrews County, Texas; 8030-8060 feet. 



