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GASWATER.DOC
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1991-01-12
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928b
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29 lines
GAS MATERIAL BALANCE WITH WATER DRIVE
-------------------------------------
PURPOSE: TO DETERMINE THE GAS IN PLACE WHEN PRODUCTION IS AFFECTED
BY BOTTOM WATER DRIVE.
INPUT: CUMULATIVE DAYS FOR EACH DATA POINT
CUMULATIVE MMCF FOR EACH DATA POINT
CUMULATIVE WATER FOR EACH DATA POINT
SHUTIN PRESSURE FOR EACH DATA POINT
GAS GRAVITY
PERMEABILITY
FORMATION THICKNESS
TOTAL POROSITY
WATER SATURATION
BOTTOM HOLE TEMPERATURE
RATIO OF GAS RESERVOIR TO ACQUIFER SIZE
OUTPUT: VAN EVERDINGEN HURST MATERIAL BALANCE GRAPHS FOR EACH
DIMENSIONLESS RATIO SELECTED
USES: THIS PROGRAM CAN BE USED TO EVALUATE:
(1) GAS-IN-PLACE FROM GAS WELLS WITH PARTIAL WATER DRIVE
(2) GAS-IN-PLACE FROM GAS WELLS WITH FULL WATER DRIVE