− | 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 [[Diffusive seal leakage|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([[Intact membrane seal leakage]]), open fractures bypass matrix [[pore systems]] ([[Fractured membrane seal leakage]]), [[Natural hydraulic fracturing of top seals|hydrofracturing]] occurs, leakage takes place through micropermeable lithologies ([[Micropermeable seal leakage]]), or gas is diffused ([[Diffusive seal leakage]]). The most likely mechanism is controlled by the seal lithology and the geological history. |