Stratigraphic, Structural, and Correlation Considerations 



67 



B-ni 



B-3Z: 



Figure 32. Plan views (except 2 and 4) of oil concentration. Numbers 1 and 2 are 

 simple convex trap reservoirs. Numbers 5, 6, 7, and 8 are permeability trap 

 reservoirs. Wilhelm's reservoir classification indices are given below each draw- 

 ing. (Adapted from Wilhelm. Am. Assoc. Petroleum Geologists.) 



