Successfully cycling a low-permeability, high-yield condensate reservoir, headlee devonian field
The Headlee Devonian Field produces a rich (325 bbl/MMcf) gas-condensate from a depth of 11,900 ft. Over 50,000,000 bbl of hydrocarbon liquids have been recovered during 8 yr of cycling operations. The average core properties are 5.8% porosity and 0.11 to 0.30 md permeability. The dew point pressure of 4,375 psia is only 881 psi below the average reservoir pressure. This high dew point pressure and the low formation permeability result in flowing BHP's below the dew point pressure. A method for calculating the volume of retrograde liquid around the producing well bore ad its effect on producing rates is presented. Also presented is a prediction technique combining areal sweep behavior and a stratification analysis that matches past performance indicating a recovery of 3.5 times that expected under primary pressure depletion.
- OSTI ID:
- 6523285
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
020300* -- Petroleum-- Drilling & Production
BOREHOLES
CAVITIES
DEW POINT
EFFICIENCY
ENERGY SOURCES
ENGINEERING
FLUID INJECTION
FOSSIL FUELS
FUELS
GAS CONDENSATE FIELDS
GAS INJECTION
GEOLOGIC DEPOSITS
MINERAL RESOURCES
NATURAL GAS DEPOSITS
PERMEABILITY
PETROLEUM
PETROLEUM DEPOSITS
POROSITY
PRODUCTION
RESERVOIR ENGINEERING
RESOURCES