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  | isbn    = 0-89181-602-X

  | isbn    = 0-89181-602-X

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When a fluid pressure is higher than estimated from the normal hydrostatic fluid gradient for a given depth, it is called overpressure. For this situation to occur, the fluid must first be trapped within a rock unit (pressure compartment).

When a [[fluid pressure]] is higher than estimated from the [[normal hydrostatic fluid gradient]] for a given depth, it is called overpressure. For this situation to occur, the fluid must first be trapped within a rock unit (pressure compartment).

Overpressure can be caused by uplift, increased heat, compaction, generation of hydrocarbons, or a combination of these factors.

Overpressure can be caused by [[uplift]], increased [[heat]], [[compaction]], [[Hydrocarbon generation|generation of hydrocarbons]], or a combination of these factors.

==Uplift==

==Uplift==