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Length: 1152 (0x480)
Types: TextFile
Names: »ENG.MOD«
└─⟦6ae1c04a5⟧ Bits:30004364 SW1656 IFPS/Personal Version 2.10 release 1.1
└─⟦this⟧ »ENG.MOD«
COLUMNS 1985..2004
ØØ
ØØ This model provides an example of a detailed engineering
ØØ model for calculating the production capacities of an oil and
ØØ gas well. The calculations are based on a standard set of
ØØ equations that can be found in any petroleum engineering manual.
ØØ
ØØ PRODUCTION PLAN INPUT:
PRODUCTION=DATA
ØØ
ØØ OIL AND GAS DECLINE CURVE EQUATIONS
ØØ ===================================
EXPONENTIAL DECLINE=(INITIAL PRODUCTION-BEGINNING PRODUCTION)/ '
EFFECTIVE DECLINE RATE
EXPONENTIAL DECLINE PRODUCTION = EXPONENTIAL DECLINE - '
PREVIOUS EXPONENTIAL DECLINE
EFFECTIVE DECLINE RATE=-NATLOG(1-DECLINE RATE)
BEGINNING PRODUCTION=INITIAL PRODUCTION * '
NATEXP(-EFFECTIVE DECLINE RATE * YEARS PRODUCING)
CUMULATIVE PRODUCTION=EXPONENTIAL DECLINE PRODUCTION + PREVIOUS
OPERATING COSTS=EXPONENTIAL DECLINE PRODUCTION * COST PER BARREL
TOTAL RESERVES=DATA
ØØ
ØØ INPUT:
DECLINE RATE=DATA
INITIAL PRODUCTION=DATA
COST PER BARREL=DATA
YEARS PRODUCING=1,PREVIOUS + 1
«eof»