Seal 1
Seal 1 :
(n.) Geology. A relatively impermeable rock, commonly shale, anhydrite or salt, that forms a barrier or cap above and around reservoir rock such that fluids cannot migrate beyond the reservoir. A seal is a critical component of a complete petroleum system. The permeability of a seal capable of retaining fluids through geologic time is ~ 10-6 to 10-8 darcies. Syn: cap rock, caprock. See: Evaporite, Fault, Field, Halite, Impermeable, Migration, Oil Field, Permeability, Petroleum System, Pinch-Out, Prospect, Reservoir, Salt Dome, Shale, Structural Trap, Trap
No records Found