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| isbn = 0-89181-602-X
| isbn = 0-89181-602-X
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A seal can fail when [[capillary pressure]] exceeds seal entry pressure, open fractures bypass matrix [[pore systems]], [[Hydrofracture|hydrofracturing]] occurs, leakage takes place through micropermeable lithologies, or gas is diffused. The most likely mechanism is controlled by the seal lithology and the geological history.
A seal can fail when [[capillary pressure]] exceeds seal entry pressure, open fractures bypass matrix [[pore systems]], [[Natural hydraulic fracturing of top seals|hydrofracturing]] occurs, leakage takes place through micropermeable lithologies, or gas is diffused. The most likely mechanism is controlled by the seal lithology and the geological history.
==Seal failure timing==
==Seal failure timing==