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==Leakage associated with faults==

==Leakage associated with faults==

Leakage is commonly associated with faults. Fault leakage is a function of fault-fill lithology, lithology of surrounding rocks, and timing. Note these characteristics to evaluate fault-associated leakage:

Leakage is commonly associated with faults. [[Fault-dependent leak points, continuity, and charge|Fault leakage]] is a function of fault-fill lithology, lithology of surrounding rocks, and timing. Note these characteristics to evaluate fault-associated leakage:

* Calculate smear-gouge ratio or shale smear factor to estimate fault-fill lithology. Petroleum leakage up faults is a type of membrane seal failure. The higher the shale content of the fault fill, the less the chance of fault-plane leakage.

* Calculate smear-gouge ratio or shale smear factor to estimate fault-fill lithology. Petroleum leakage up faults is a type of membrane seal failure. The higher the shale content of the fault fill, the less the chance of fault-plane leakage.