depletion-type reservoir

depletion-type reservoir

[də′plē·shən ¦tīp ′rez·ə‚vwär]
(petroleum engineering)
Oil reservoir which is initially in (and during depletion remains in) a state of equilibrium between the gas and liquid phases; includes single-phase gas, two-phase bubble-point, and retrograde-gas-condensate (or dew-point) reservoirs.