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Flashing flow in fractured geothermal reservoirs

Conference ·
OSTI ID:7369558
; ;
Flashing two-phase flow can occur in fractured geothermal reservoirs when water flows toward the wellbore. The mass flow and enthalpy characteristics of wells with two-phase flow feedzones have been investigated by using a modified critical flow slip model. The model includes the effect of heat transfer from the reservoir rock to the two-phase flowing mixture. It was possible to estimate the effective fracture width of geothermal reservoir-well systems and to demonstrate under what conditions choking may occur in feedzone fractures.
Research Organization:
Stanford Univ., CA
DOE Contract Number:
AT03-80SF11459
OSTI ID:
7369558
Report Number(s):
SGP-TR-60; CONF-821214-20; ON: DE83015865
Country of Publication:
United States
Language:
English

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Related Subjects

15 GEOTHERMAL ENERGY
150200 -- Geology & Hydrology of Geothermal Systems
150904* -- Geothermal Engineering-- Geothermal Reservoir & Well Performance
ENTHALPY
FLOW MODELS
FLOW RATE
FLUID FLOW
FRACTURED RESERVOIRS
GEOTHERMAL WELLS
Geothermal Legacy
MASS TRANSFER
MATHEMATICAL MODELS
PHYSICAL PROPERTIES
THERMODYNAMIC PROPERTIES
TWO-PHASE FLOW
WELLS