Improved comments. No code changed.
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@ -28,13 +28,12 @@ OIL
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GAS
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WATER
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DISGAS
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-- DISGAS must be included if the run contains dissolved gas
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-- This means that we are dealing with live oil
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-- As seen from figure 4 in Odeh, GOR is increasing with time,
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-- which means that dissolved gas is present
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FIELD
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START
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-- Start date
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1 'JAN' 2015 /
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WELLDIMS
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@ -58,7 +57,7 @@ DX
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-- There are in total 300 cells with length 1000ft in x-direction
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300*1000 /
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DY
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-- Same reasoning as above (in y-direction)
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-- There are in total 300 cells with length 1000ft in y-direction
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300*1000 /
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DZ
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-- The layers are 20, 30 and 50 ft thick, in each layer there are 100 cells
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@ -73,7 +72,7 @@ PORO
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300*0.3 /
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PERMX
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-- The layers have perm. 500mD (top layer), 50mD and 200mD respectivly.
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-- The layers have perm. 500mD, 50mD and 200mD, respectively.
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100*500 100*50 100*200 /
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PERMY
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@ -109,25 +108,17 @@ ROCK
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-- Using values from table 1 in Odeh:
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14.7 3E-6 /
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-- Using values from Norne:
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-- In METRIC units:
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-- 277.0 4.84E-5 /
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-- In FIELD units:
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-- 4017.55 3.34E-6 /
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SWOF
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-- Column 1: water saturation
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-- - this has been set to (almost) equally spaced values from 0.12 to 1
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-- Column 2: corresponding water relative permeability
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-- Column 2: water relative permeability
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-- - generated from the Corey-type approx. formula
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-- the coeffisient is set to 10e-5, S_{orw}=0 and S_{wi}=0.12
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-- Column 3: corresponding oil relative permeability when only
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-- oil and water are present
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-- - we will use the same values as in column 3 in SGOF
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-- this is not really correct, but since only the first
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-- Column 3: oil relative permeability when only oil and water are present
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-- - we will use the same values as in column 3 in SGOF.
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-- This is not really correct, but since only the first
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-- two values are of importance, this does not really matter
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-- Column 4: corresponding water-oil capillary pressure (psi)
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-- Column 4: water-oil capillary pressure (psi)
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0.12 0 1 0
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0.18 4.64876033057851E-008 1 0
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@ -148,12 +139,12 @@ SWOF
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SGOF
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-- Column 1: gas saturation
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-- Column 2: corresponding gas relative permeability
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-- Column 3: corresponding oil relative permeability when oil, gas
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-- and connate water are present
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-- Column 4: corresponding oil-gas capillary pressure (psi)
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-- Column 2: gas relative permeability
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-- Column 3: oil relative permeability when oil, gas and connate water are present
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-- Column 4: oil-gas capillary pressure (psi)
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-- - stated to be zero in Odeh's paper
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-- Values in column 1 through 3 correspond to table 3 in Odeh's paper
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-- Values in column 1-3 are taken from table 3 in Odeh's paper:
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0 0 1 0
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0.001 0 1 0
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0.02 0 0.997 0
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@ -172,13 +163,13 @@ SGOF
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--1.00 1.0 0.000 0 /
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-- Warning from Eclipse: first sat. value in SWOF + last sat. value in SGOF
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-- must not be greater than 1, but Eclipse still runs
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-- OPM needs the sum to be excactly 1 so I added a row with gas sat. = 0.88
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-- Flow needs the sum to be excactly 1 so I added a row with gas sat. = 0.88
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-- The corresponding krg value was estimated by assuming linear rel. between
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-- gas sat. and krw. between gas sat. 0.85 and 1.00 (the last two values given)
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DENSITY
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-- Density (lb per ft³) at surface cond. of
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-- oil, water and gas, respectivly (in that order)
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-- oil, water and gas, respectively (in that order)
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-- Using values from Norne:
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-- In METRIC units:
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@ -188,12 +179,12 @@ DENSITY
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PVDG
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-- Column 1: gas phase pressure (psia)
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-- Column 2: corresponding gas formation volume factor (rb per Mscf)
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-- Column 2: gas formation volume factor (rb per Mscf)
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-- - in Odeh's paper the units are said to be given in rb per bbl,
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-- but this is assumed to be a mistake: FVF-values in Odeh's paper
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-- are given in rb per scf, not rb per bbl. This will be in
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-- agreement with conventions
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-- Column 3: corresponding gas viscosity (cP)
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-- Column 3: gas viscosity (cP)
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-- Using values from lower right table in Odeh's table 2:
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14.700 166.666 0.008000
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@ -208,27 +199,33 @@ PVDG
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9014.7 0.38600 0.047000 /
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PVTO
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-- Item 1: dissolved gas-oil ratio (Mscf per stb)
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-- Item 2: bubble point pressure (P-bub) (psia)
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-- Item 3: oil FVF for saturated oil (rb per stb)
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-- Item 4: oil viscosity for saturated oil (cP)
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-- Column 1: dissolved gas-oil ratio (Mscf per stb)
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-- Column 2: bubble point pressure (psia)
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-- Column 3: oil FVF for saturated oil (rb per stb)
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-- Column 4: oil viscosity for saturated oil (cP)
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-- Use values from top left table in Odeh's table 2:
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0.0010 14.7 1.0620 1.0400 /
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0.0905 264.7 1.1500 0.9750 /
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0.1800 514.7 1.2070 0.9100 /
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0.3710 1014.7 1.2950 0.8300 /
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0.6360 2014.7 1.4350 0.6950 /
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0.7750 2514.7 1.5000 0.6410 /
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0.9300 3014.7 1.5650 0.5940 /
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1.2700 4014.7 1.6950 0.5100
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9014.7 1.5790 0.7400 /
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1.6180 5014.7 1.8270 0.4490
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9014.7 1.7370 0.6310 /
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-- Need to specify data for undersaturated oil for the highest GOR.
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-- Assume linear relation between GOR and FVF at 9014.7psi for saturated
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-- and undersaturated oil such that we can find a value for FVF at 9014.7psi
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-- and GOR=1.618. Use same approx. for viscosity.
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0.0010 14.7 1.0620 1.0400 /
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0.0905 264.7 1.1500 0.9750 /
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0.1800 514.7 1.2070 0.9100 /
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0.3710 1014.7 1.2950 0.8300 /
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0.6360 2014.7 1.4350 0.6950 /
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0.7750 2514.7 1.5000 0.6410 /
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0.9300 3014.7 1.5650 0.5940 /
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1.2700 4014.7 1.6950 0.5100
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9014.7 1.5790 0.7400 /
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1.6180 5014.7 1.8270 0.4490
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9014.7 1.7370 0.6310 /
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-- It is required to enter data for undersaturated oil for the highest GOR
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-- (i.e. the last row) in the PVTO table.
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-- In order to fulfill this requirement, values for oil FVF and viscosity
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-- at 9014.7psia and GOR=1.618 for undersaturated oil have been approximated:
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-- It has been assumed that there is a linear relation between the GOR
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-- and the FVF when keeping the pressure constant at 9014.7psia.
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-- From Odeh we know that (at 9014.7psia) the FVF is 2.357 at GOR=2.984
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-- for saturated oil and that the FVF is 1.579 at GOR=1.27 for undersaturated oil,
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-- so it is possible to use the assumption described above.
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-- An equivalent approximation for the viscosity has been used.
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/
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SOLUTION
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@ -238,23 +235,27 @@ EQUIL
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-- Item 1: datum depth (ft)
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-- Item 2: pressure at datum depth (psia)
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-- - Odeh's table 1 says that initial reservoir pressure is
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-- 4800 psi at 8400ft, which explains choice of item 1 and 2.
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-- 4800 psi at 8400ft, which explains choice of item 1 and 2
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-- Item 3: depth of water-oil contact (ft)
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-- - chosen to be directly under the reservoir
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-- Item 4: oil-water capillary pressure at the water oil contact (psi)
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-- - given to be 0 in Odeh's paper
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-- Item 5: depth of gas-oil contact (ft)
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-- - chosen to be directly above the reservoir
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-- Item 6: gas-oil capillary pressure at gas-oil contact (psi)
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-- - given to be 0 in Odeh's paper
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-- Item 7: RSVD-table (enter true or false)
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-- Item 8: RVVD-table (enter true or false)
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-- Item 9: Set to zero as this is the only value supported by OPM
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-- Item 9: Set to 0 as this is the only value supported by OPM
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-- Item #: 1 2 3 4 5 6 7 8 9
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8400 4800 8450 0 8300 0 1 0 0 /
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RSVD
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-- This table needs to be specified as item 7 in EQUIL is set to true
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-- Dissolved GOR initially constant with depth through the reservoir:
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-- Dissolved GOR is initially constant with depth through the reservoir.
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-- The reason is that the initial reservoir pressure given is higher
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---than the bubble point presssure of 4014.7psia, meaning that there is no
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-- free gas initially present.
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8300 1.270
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8450 1.270 /
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@ -376,7 +377,7 @@ COMPDAT
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/
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-- Coordinates in item 2-5 are retreived from Odeh's figure 1 and 2
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-- Item 9 is the well bore internal diameter,
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-- the radius is given to be 0.25ft in Odeh
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-- the radius is given to be 0.25ft in Odeh's paper
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WCONPROD
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@ -386,7 +387,7 @@ WCONPROD
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-- It is stated in Odeh's paper that the maximum oil prod. rate
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-- is 20 000stb per day which explains the choice of value in item 4.
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-- The items > 4 are defaulted with the exception of item 9,
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-- the BHP lower limit, which is given to be 1000psia in Odeh.
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-- the BHP lower limit, which is given to be 1000psia in Odeh's paper
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WCONINJE
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-- Item #:1 2 3 4 5 6 7
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@ -394,7 +395,7 @@ WCONINJE
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/
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-- Stated in Odeh that gas inj. rate (item 5) is 100MMscf per day
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-- BHP upper limit (item 7) should not be exceeding the highest
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-- pressure in the PVT table=9014.7psia (default is 100 000psia).
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-- pressure in the PVT table=9014.7psia (default is 100 000psia)
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TSTEP
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--Advance the simulater once a month for TEN years:
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@ -412,5 +413,4 @@ TSTEP
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--Advance the simulator once a year for TEN years:
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--10*365 /
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END
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@ -28,13 +28,13 @@ OIL
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GAS
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WATER
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DISGAS
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-- DISGAS must be included if the run contains dissolved gas
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-- This means that we are dealing with live oil
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-- As seen from figure 4 in Odeh, GOR is increasing with time,
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-- which means that dissolved gas is present
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FIELD
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START
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-- Start date
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1 'JAN' 2015 /
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WELLDIMS
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@ -58,7 +58,7 @@ DX
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-- There are in total 300 cells with length 1000ft in x-direction
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300*1000 /
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DY
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-- Same reasoning as above (in y-direction)
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-- There are in total 300 cells with length 1000ft in y-direction
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300*1000 /
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DZ
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-- The layers are 20, 30 and 50 ft thick, in each layer there are 100 cells
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@ -73,7 +73,7 @@ PORO
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300*0.3 /
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PERMX
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-- The layers have perm. 500mD (top layer), 50mD and 200mD respectivly.
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-- The layers have perm. 500mD, 50mD and 200mD, respectively.
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100*500 100*50 100*200 /
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PERMY
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@ -109,23 +109,15 @@ ROCK
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-- Using values from table 1 in Odeh:
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14.7 3E-6 /
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-- Using values from Norne:
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-- In METRIC units:
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-- 277.0 4.84E-5 /
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-- In FIELD units:
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-- 4017.55 3.34E-6 /
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SWOF
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-- Column 1: water saturation
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-- - this has been set to (almost) equally spaced values from 0.12 to 1
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-- Column 2: corresponding water relative permeability
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-- Column 2: water relative permeability
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-- - generated from the Corey-type approx. formula
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-- the coeffisient is set to 10e-5, S_{orw}=0 and S_{wi}=0.12
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-- Column 3: corresponding oil relative permeability when only
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-- oil and water are present
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-- - we will use the same values as in column 3 in SGOF
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-- this is not really correct, but since only the first
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-- Column 3: oil relative permeability when only oil and water are present
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-- - we will use the same values as in column 3 in SGOF.
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-- This is not really correct, but since only the first
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-- two values are of importance, this does not really matter
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-- Column 4: corresponding water-oil capillary pressure (psi)
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@ -148,12 +140,12 @@ SWOF
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SGOF
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-- Column 1: gas saturation
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-- Column 2: corresponding gas relative permeability
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-- Column 3: corresponding oil relative permeability when oil, gas
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-- and connate water are present
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-- Column 4: corresponding oil-gas capillary pressure (psi)
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-- Column 2: gas relative permeability
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-- Column 3: oil relative permeability when oil, gas and connate water are present
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-- Column 4: oil-gas capillary pressure (psi)
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-- - stated to be zero in Odeh's paper
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-- Values in column 1 through 3 correspond to table 3 in Odeh's paper
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-- Values in column 1-3 are taken from table 3 in Odeh's paper:
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0 0 1 0
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0.001 0 1 0
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0.02 0 0.997 0
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@ -172,13 +164,13 @@ SGOF
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--1.00 1.0 0.000 0 /
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-- Warning from Eclipse: first sat. value in SWOF + last sat. value in SGOF
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-- must not be greater than 1, but Eclipse still runs
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-- OPM needs the sum to be excactly 1 so I added a row with gas sat. = 0.88
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-- Flow needs the sum to be excactly 1 so I added a row with gas sat. = 0.88
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-- The corresponding krg value was estimated by assuming linear rel. between
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-- gas sat. and krw. between gas sat. 0.85 and 1.00 (the last two values given)
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DENSITY
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-- Density (lb per ft³) at surface cond. of
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-- oil, water and gas, respectivly (in that order)
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-- oil, water and gas, respectively (in that order)
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-- Using values from Norne:
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-- In METRIC units:
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@ -188,12 +180,12 @@ DENSITY
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PVDG
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-- Column 1: gas phase pressure (psia)
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-- Column 2: corresponding gas formation volume factor (rb per Mscf)
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-- Column 2: gas formation volume factor (rb per Mscf)
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-- - in Odeh's paper the units are said to be given in rb per bbl,
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-- but this is assumed to be a mistake: FVF-values in Odeh's paper
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-- are given in rb per scf, not rb per bbl. This will be in
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-- agreement with conventions
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-- Column 3: corresponding gas viscosity (cP)
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-- Column 3: gas viscosity (cP)
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-- Using values from lower right table in Odeh's table 2:
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14.700 166.666 0.008000
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@ -208,27 +200,33 @@ PVDG
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9014.7 0.38600 0.047000 /
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PVTO
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-- Item 1: dissolved gas-oil ratio (Mscf per stb)
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-- Item 2: bubble point pressure (P-bub) (psia)
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-- Item 3: oil FVF for saturated oil (rb per stb)
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-- Item 4: oil viscosity for saturated oil (cP)
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-- Column 1: dissolved gas-oil ratio (Mscf per stb)
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-- Column 2: bubble point pressure (psia)
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-- Column 3: oil FVF for saturated oil (rb per stb)
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-- Column 4: oil viscosity for saturated oil (cP)
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-- Use values from top left table in Odeh's table 2:
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0.0010 14.7 1.0620 1.0400 /
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0.0905 264.7 1.1500 0.9750 /
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0.1800 514.7 1.2070 0.9100 /
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0.3710 1014.7 1.2950 0.8300 /
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0.6360 2014.7 1.4350 0.6950 /
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0.7750 2514.7 1.5000 0.6410 /
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0.9300 3014.7 1.5650 0.5940 /
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1.2700 4014.7 1.6950 0.5100
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9014.7 1.5790 0.7400 /
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1.6180 5014.7 1.8270 0.4490
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9014.7 1.7370 0.6310 /
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-- Need to specify data for undersaturated oil for the highest GOR.
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-- Assume linear relation between GOR and FVF at 9014.7psi for saturated
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-- and undersaturated oil such that we can find a value for FVF at 9014.7psi
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-- and GOR=1.618. Use same approx. for viscosity.
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0.0010 14.7 1.0620 1.0400 /
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0.0905 264.7 1.1500 0.9750 /
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0.1800 514.7 1.2070 0.9100 /
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0.3710 1014.7 1.2950 0.8300 /
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0.6360 2014.7 1.4350 0.6950 /
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0.7750 2514.7 1.5000 0.6410 /
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0.9300 3014.7 1.5650 0.5940 /
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1.2700 4014.7 1.6950 0.5100
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9014.7 1.5790 0.7400 /
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1.6180 5014.7 1.8270 0.4490
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9014.7 1.7370 0.6310 /
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-- It is required to enter data for undersaturated oil for the highest GOR
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-- (i.e. the last row) in the PVTO table.
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-- In order to fulfill this requirement, values for oil FVF and viscosity
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-- at 9014.7psia and GOR=1.618 for undersaturated oil have been approximated:
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-- It has been assumed that there is a linear relation between the GOR
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-- and the FVF when keeping the pressure constant at 9014.7psia.
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-- From Odeh we know that (at 9014.7psia) the FVF is 2.357 at GOR=2.984
|
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-- for saturated oil and that the FVF is 1.579 at GOR=1.27 for undersaturated oil,
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-- so it is possible to use the assumption described above.
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-- An equivalent approximation for the viscosity has been used.
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/
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SOLUTION
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@ -238,23 +236,27 @@ EQUIL
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-- Item 1: datum depth (ft)
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-- Item 2: pressure at datum depth (psia)
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-- - Odeh's table 1 says that initial reservoir pressure is
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-- 4800 psi at 8400ft, which explains choice of item 1 and 2.
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-- 4800 psi at 8400ft, which explains choice of item 1 and 2
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-- Item 3: depth of water-oil contact (ft)
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-- - chosen to be directly under the reservoir
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-- Item 4: oil-water capillary pressure at the water oil contact (psi)
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-- - given to be 0 in Odeh's paper
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-- Item 5: depth of gas-oil contact (ft)
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-- - chosen to be directly above the reservoir
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-- Item 6: gas-oil capillary pressure at gas-oil contact (psi)
|
||||
-- - given to be 0 in Odeh's paper
|
||||
-- Item 7: RSVD-table (enter true or false)
|
||||
-- Item 8: RVVD-table (enter true or false)
|
||||
-- Item 9: Set to zero as this is the only value supported by OPM
|
||||
-- Item 9: Set to 0 as this is the only value supported by OPM
|
||||
|
||||
-- Item #: 1 2 3 4 5 6 7 8 9
|
||||
8400 4800 8450 0 8300 0 1 0 0 /
|
||||
|
||||
RSVD
|
||||
-- This table needs to be specified as item 7 in EQUIL is set to true
|
||||
-- Dissolved GOR initially constant with depth through the reservoir:
|
||||
-- Dissolved GOR is initially constant with depth through the reservoir.
|
||||
-- The reason is that the initial reservoir pressure given is higher
|
||||
---than the bubble point presssure of 4014.7psia, meaning that there is no
|
||||
-- free gas initially present.
|
||||
8300 1.270
|
||||
8450 1.270 /
|
||||
|
||||
@ -377,7 +379,7 @@ COMPDAT
|
||||
/
|
||||
-- Coordinates in item 2-5 are retreived from Odeh's figure 1 and 2
|
||||
-- Item 9 is the well bore internal diameter,
|
||||
-- the radius is given to be 0.25ft in Odeh
|
||||
-- the radius is given to be 0.25ft in Odeh's paper
|
||||
|
||||
|
||||
WCONPROD
|
||||
@ -387,7 +389,7 @@ WCONPROD
|
||||
-- It is stated in Odeh's paper that the maximum oil prod. rate
|
||||
-- is 20 000stb per day which explains the choice of value in item 4.
|
||||
-- The items > 4 are defaulted with the exception of item 9,
|
||||
-- the BHP lower limit, which is given to be 1000psia in Odeh.
|
||||
-- the BHP lower limit, which is given to be 1000psia in Odeh's paper
|
||||
|
||||
WCONINJE
|
||||
-- Item #:1 2 3 4 5 6 7
|
||||
@ -395,7 +397,7 @@ WCONINJE
|
||||
/
|
||||
-- Stated in Odeh that gas inj. rate (item 5) is 100MMscf per day
|
||||
-- BHP upper limit (item 7) should not be exceeding the highest
|
||||
-- pressure in the PVT table=9014.7psia (default is 100 000psia).
|
||||
-- pressure in the PVT table=9014.7psia (default is 100 000psia)
|
||||
|
||||
TSTEP
|
||||
--Advance the simulater once a month for TEN years:
|
||||
@ -413,5 +415,4 @@ TSTEP
|
||||
--Advance the simulator once a year for TEN years:
|
||||
--10*365 /
|
||||
|
||||
|
||||
END
|
||||
|
Loading…
Reference in New Issue
Block a user