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AAPG Bulletin
Figure
AAPG Bulletin;
Year: 2024;
Issue: February
DOI: 10.1306/12202222033
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Figure 4. Permeability test program consisting of a sample saturation stage followed by two loading-unloading confining pressure (Pc) cycles. The steady-state permeability tests are conducted at isostatic (vertical = horizontal) confining stress conditions. The effective stress is the Pc minus the pore pressure (Pp). The average total time to complete the test program is ∼30 days per sample.