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Figure 4-3. Mercury-injection curves (MICP), plots of pore-throat distribution, and photomicrographs of three shale types.
A. Shale type 3, seal for pay sections: Oil: 860-1175 ft Gas: 1000-1355 ft.
B. Shale type 2, seal for pay sections: Oil: 935-1235 ft Gas: 1125-1480 ft.
C. Shale type 4, seal for pay sections: Oil: 715-900 ft Gas: 885-1115 ft.