The incorporation of the effects of CO/sub 2/ solubility in brine into a compositional simulator
Conference
·
OSTI ID:5586285
- Oak Ridge Associated Universities Fellow, Univ. of Pittsburgh (US)
- USDOE Morgantown Energy Technology Center, WV (USA)
The effects of the dissolution of carbon dioxide into an aqueous phase containing dissolved solids on the displacement of oil by carbon dioxide evaluated by using a one-dimensional compositional simulator. The Henry constant and partial molar volume of carbon dioxide in water at infinite dilution were determined for the CO/sub 2//H/sub 2/O system over the 25{sup 0}C (77{sup 0}F) to 250{sup 0}C (482{sup 0}F) temperature range and the 4.83 MPa (700 psia) to 72.41 MPa (10,500 psia) pressure range. The decreased solubility of CO/sub 2/ in brine is accounted for empirically by a factor correlated to the weight percent of dissolved solids. The effects of dissolved solids on the density and viscosity of the aqueous phase over the 25{sup 0}C (77{sup 0}F) to 100{sup 0}C (212{sup 0}F) temperature range correlated to the amount of dissolved solids. Ultimate oil recoveries in simulations accounting for the solubility of CO/sub 2/ in brine are less than those attained in simulations which did not incorporate solubility of CO/sub 2/ in the aqueous phase.
- OSTI ID:
- 5586285
- Report Number(s):
- CONF-881143--
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
023000 -- Petroleum-- Properties & Composition
99 GENERAL AND MISCELLANEOUS
990230 -- Mathematics & Mathematical Models-- (1987-1989)
ANALOG SYSTEMS
BRINES
CARBON DIOXIDE INJECTION
CHEMICAL COMPOSITION
DISPLACEMENT FLUIDS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID FLOW
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
MANY-DIMENSIONAL CALCULATIONS
MISCIBLE-PHASE DISPLACEMENT
OIL SATURATION
OIL WELLS
ONE-DIMENSIONAL CALCULATIONS
PARAMETRIC ANALYSIS
PETROLEUM
PHASE STUDIES
RECOVERY
RESERVOIR ROCK
SATURATION
SIMULATORS
SOLUBILITY
WATER SATURATION
WELLS
020300* -- Petroleum-- Drilling & Production
023000 -- Petroleum-- Properties & Composition
99 GENERAL AND MISCELLANEOUS
990230 -- Mathematics & Mathematical Models-- (1987-1989)
ANALOG SYSTEMS
BRINES
CARBON DIOXIDE INJECTION
CHEMICAL COMPOSITION
DISPLACEMENT FLUIDS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID FLOW
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
MANY-DIMENSIONAL CALCULATIONS
MISCIBLE-PHASE DISPLACEMENT
OIL SATURATION
OIL WELLS
ONE-DIMENSIONAL CALCULATIONS
PARAMETRIC ANALYSIS
PETROLEUM
PHASE STUDIES
RECOVERY
RESERVOIR ROCK
SATURATION
SIMULATORS
SOLUBILITY
WATER SATURATION
WELLS