Improved comments. No code changed.

This commit is contained in:
Lars K Blatny 2015-07-24 15:47:31 +02:00
parent 7ebec30ac0
commit 0418a043be
2 changed files with 108 additions and 107 deletions

View File

@ -28,13 +28,12 @@ OIL
GAS
WATER
DISGAS
-- DISGAS must be included if the run contains dissolved gas
-- This means that we are dealing with live oil
-- As seen from figure 4 in Odeh, GOR is increasing with time,
-- which means that dissolved gas is present
FIELD
START
-- Start date
1 'JAN' 2015 /
WELLDIMS
@ -58,7 +57,7 @@ DX
-- There are in total 300 cells with length 1000ft in x-direction
300*1000 /
DY
-- Same reasoning as above (in y-direction)
-- There are in total 300 cells with length 1000ft in y-direction
300*1000 /
DZ
-- The layers are 20, 30 and 50 ft thick, in each layer there are 100 cells
@ -73,7 +72,7 @@ PORO
300*0.3 /
PERMX
-- The layers have perm. 500mD (top layer), 50mD and 200mD respectivly.
-- The layers have perm. 500mD, 50mD and 200mD, respectively.
100*500 100*50 100*200 /
PERMY
@ -109,25 +108,17 @@ ROCK
-- Using values from table 1 in Odeh:
14.7 3E-6 /
-- Using values from Norne:
-- In METRIC units:
-- 277.0 4.84E-5 /
-- In FIELD units:
-- 4017.55 3.34E-6 /
SWOF
-- Column 1: water saturation
-- - this has been set to (almost) equally spaced values from 0.12 to 1
-- Column 2: corresponding water relative permeability
-- Column 2: water relative permeability
-- - generated from the Corey-type approx. formula
-- the coeffisient is set to 10e-5, S_{orw}=0 and S_{wi}=0.12
-- Column 3: corresponding oil relative permeability when only
-- oil and water are present
-- - we will use the same values as in column 3 in SGOF
-- this is not really correct, but since only the first
-- Column 3: oil relative permeability when only oil and water are present
-- - we will use the same values as in column 3 in SGOF.
-- This is not really correct, but since only the first
-- two values are of importance, this does not really matter
-- Column 4: corresponding water-oil capillary pressure (psi)
-- Column 4: water-oil capillary pressure (psi)
0.12 0 1 0
0.18 4.64876033057851E-008 1 0
@ -148,12 +139,12 @@ SWOF
SGOF
-- Column 1: gas saturation
-- Column 2: corresponding gas relative permeability
-- Column 3: corresponding oil relative permeability when oil, gas
-- and connate water are present
-- Column 4: corresponding oil-gas capillary pressure (psi)
-- Column 2: gas relative permeability
-- Column 3: oil relative permeability when oil, gas and connate water are present
-- Column 4: oil-gas capillary pressure (psi)
-- - stated to be zero in Odeh's paper
-- Values in column 1 through 3 correspond to table 3 in Odeh's paper
-- Values in column 1-3 are taken from table 3 in Odeh's paper:
0 0 1 0
0.001 0 1 0
0.02 0 0.997 0
@ -172,13 +163,13 @@ SGOF
--1.00 1.0 0.000 0 /
-- Warning from Eclipse: first sat. value in SWOF + last sat. value in SGOF
-- must not be greater than 1, but Eclipse still runs
-- OPM needs the sum to be excactly 1 so I added a row with gas sat. = 0.88
-- Flow needs the sum to be excactly 1 so I added a row with gas sat. = 0.88
-- The corresponding krg value was estimated by assuming linear rel. between
-- gas sat. and krw. between gas sat. 0.85 and 1.00 (the last two values given)
DENSITY
-- Density (lb per ft³) at surface cond. of
-- oil, water and gas, respectivly (in that order)
-- oil, water and gas, respectively (in that order)
-- Using values from Norne:
-- In METRIC units:
@ -188,12 +179,12 @@ DENSITY
PVDG
-- Column 1: gas phase pressure (psia)
-- Column 2: corresponding gas formation volume factor (rb per Mscf)
-- Column 2: gas formation volume factor (rb per Mscf)
-- - in Odeh's paper the units are said to be given in rb per bbl,
-- but this is assumed to be a mistake: FVF-values in Odeh's paper
-- are given in rb per scf, not rb per bbl. This will be in
-- agreement with conventions
-- Column 3: corresponding gas viscosity (cP)
-- Column 3: gas viscosity (cP)
-- Using values from lower right table in Odeh's table 2:
14.700 166.666 0.008000
@ -208,27 +199,33 @@ PVDG
9014.7 0.38600 0.047000 /
PVTO
-- Item 1: dissolved gas-oil ratio (Mscf per stb)
-- Item 2: bubble point pressure (P-bub) (psia)
-- Item 3: oil FVF for saturated oil (rb per stb)
-- Item 4: oil viscosity for saturated oil (cP)
-- Column 1: dissolved gas-oil ratio (Mscf per stb)
-- Column 2: bubble point pressure (psia)
-- Column 3: oil FVF for saturated oil (rb per stb)
-- Column 4: oil viscosity for saturated oil (cP)
-- Use values from top left table in Odeh's table 2:
0.0010 14.7 1.0620 1.0400 /
0.0905 264.7 1.1500 0.9750 /
0.1800 514.7 1.2070 0.9100 /
0.3710 1014.7 1.2950 0.8300 /
0.6360 2014.7 1.4350 0.6950 /
0.7750 2514.7 1.5000 0.6410 /
0.9300 3014.7 1.5650 0.5940 /
1.2700 4014.7 1.6950 0.5100
9014.7 1.5790 0.7400 /
1.6180 5014.7 1.8270 0.4490
9014.7 1.7370 0.6310 /
-- Need to specify data for undersaturated oil for the highest GOR.
-- Assume linear relation between GOR and FVF at 9014.7psi for saturated
-- and undersaturated oil such that we can find a value for FVF at 9014.7psi
-- and GOR=1.618. Use same approx. for viscosity.
0.0010 14.7 1.0620 1.0400 /
0.0905 264.7 1.1500 0.9750 /
0.1800 514.7 1.2070 0.9100 /
0.3710 1014.7 1.2950 0.8300 /
0.6360 2014.7 1.4350 0.6950 /
0.7750 2514.7 1.5000 0.6410 /
0.9300 3014.7 1.5650 0.5940 /
1.2700 4014.7 1.6950 0.5100
9014.7 1.5790 0.7400 /
1.6180 5014.7 1.8270 0.4490
9014.7 1.7370 0.6310 /
-- It is required to enter data for undersaturated oil for the highest GOR
-- (i.e. the last row) in the PVTO table.
-- In order to fulfill this requirement, values for oil FVF and viscosity
-- at 9014.7psia and GOR=1.618 for undersaturated oil have been approximated:
-- It has been assumed that there is a linear relation between the GOR
-- and the FVF when keeping the pressure constant at 9014.7psia.
-- From Odeh we know that (at 9014.7psia) the FVF is 2.357 at GOR=2.984
-- for saturated oil and that the FVF is 1.579 at GOR=1.27 for undersaturated oil,
-- so it is possible to use the assumption described above.
-- An equivalent approximation for the viscosity has been used.
/
SOLUTION
@ -238,23 +235,27 @@ EQUIL
-- Item 1: datum depth (ft)
-- Item 2: pressure at datum depth (psia)
-- - Odeh's table 1 says that initial reservoir pressure is
-- 4800 psi at 8400ft, which explains choice of item 1 and 2.
-- 4800 psi at 8400ft, which explains choice of item 1 and 2
-- Item 3: depth of water-oil contact (ft)
-- - chosen to be directly under the reservoir
-- Item 4: oil-water capillary pressure at the water oil contact (psi)
-- - given to be 0 in Odeh's paper
-- Item 5: depth of gas-oil contact (ft)
-- - chosen to be directly above the reservoir
-- 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 /
@ -376,7 +377,7 @@ 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
@ -386,7 +387,7 @@ 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
@ -394,7 +395,7 @@ 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:
@ -412,5 +413,4 @@ TSTEP
--Advance the simulator once a year for TEN years:
--10*365 /
END

View File

@ -28,13 +28,13 @@ OIL
GAS
WATER
DISGAS
-- DISGAS must be included if the run contains dissolved gas
-- This means that we are dealing with live oil
-- As seen from figure 4 in Odeh, GOR is increasing with time,
-- which means that dissolved gas is present
FIELD
START
-- Start date
1 'JAN' 2015 /
WELLDIMS
@ -58,7 +58,7 @@ DX
-- There are in total 300 cells with length 1000ft in x-direction
300*1000 /
DY
-- Same reasoning as above (in y-direction)
-- There are in total 300 cells with length 1000ft in y-direction
300*1000 /
DZ
-- The layers are 20, 30 and 50 ft thick, in each layer there are 100 cells
@ -73,7 +73,7 @@ PORO
300*0.3 /
PERMX
-- The layers have perm. 500mD (top layer), 50mD and 200mD respectivly.
-- The layers have perm. 500mD, 50mD and 200mD, respectively.
100*500 100*50 100*200 /
PERMY
@ -109,23 +109,15 @@ ROCK
-- Using values from table 1 in Odeh:
14.7 3E-6 /
-- Using values from Norne:
-- In METRIC units:
-- 277.0 4.84E-5 /
-- In FIELD units:
-- 4017.55 3.34E-6 /
SWOF
-- Column 1: water saturation
-- - this has been set to (almost) equally spaced values from 0.12 to 1
-- Column 2: corresponding water relative permeability
-- Column 2: water relative permeability
-- - generated from the Corey-type approx. formula
-- the coeffisient is set to 10e-5, S_{orw}=0 and S_{wi}=0.12
-- Column 3: corresponding oil relative permeability when only
-- oil and water are present
-- - we will use the same values as in column 3 in SGOF
-- this is not really correct, but since only the first
-- Column 3: oil relative permeability when only oil and water are present
-- - we will use the same values as in column 3 in SGOF.
-- This is not really correct, but since only the first
-- two values are of importance, this does not really matter
-- Column 4: corresponding water-oil capillary pressure (psi)
@ -148,12 +140,12 @@ SWOF
SGOF
-- Column 1: gas saturation
-- Column 2: corresponding gas relative permeability
-- Column 3: corresponding oil relative permeability when oil, gas
-- and connate water are present
-- Column 4: corresponding oil-gas capillary pressure (psi)
-- Column 2: gas relative permeability
-- Column 3: oil relative permeability when oil, gas and connate water are present
-- Column 4: oil-gas capillary pressure (psi)
-- - stated to be zero in Odeh's paper
-- Values in column 1 through 3 correspond to table 3 in Odeh's paper
-- Values in column 1-3 are taken from table 3 in Odeh's paper:
0 0 1 0
0.001 0 1 0
0.02 0 0.997 0
@ -172,13 +164,13 @@ SGOF
--1.00 1.0 0.000 0 /
-- Warning from Eclipse: first sat. value in SWOF + last sat. value in SGOF
-- must not be greater than 1, but Eclipse still runs
-- OPM needs the sum to be excactly 1 so I added a row with gas sat. = 0.88
-- Flow needs the sum to be excactly 1 so I added a row with gas sat. = 0.88
-- The corresponding krg value was estimated by assuming linear rel. between
-- gas sat. and krw. between gas sat. 0.85 and 1.00 (the last two values given)
DENSITY
-- Density (lb per ft³) at surface cond. of
-- oil, water and gas, respectivly (in that order)
-- oil, water and gas, respectively (in that order)
-- Using values from Norne:
-- In METRIC units:
@ -188,12 +180,12 @@ DENSITY
PVDG
-- Column 1: gas phase pressure (psia)
-- Column 2: corresponding gas formation volume factor (rb per Mscf)
-- Column 2: gas formation volume factor (rb per Mscf)
-- - in Odeh's paper the units are said to be given in rb per bbl,
-- but this is assumed to be a mistake: FVF-values in Odeh's paper
-- are given in rb per scf, not rb per bbl. This will be in
-- agreement with conventions
-- Column 3: corresponding gas viscosity (cP)
-- Column 3: gas viscosity (cP)
-- Using values from lower right table in Odeh's table 2:
14.700 166.666 0.008000
@ -208,27 +200,33 @@ PVDG
9014.7 0.38600 0.047000 /
PVTO
-- Item 1: dissolved gas-oil ratio (Mscf per stb)
-- Item 2: bubble point pressure (P-bub) (psia)
-- Item 3: oil FVF for saturated oil (rb per stb)
-- Item 4: oil viscosity for saturated oil (cP)
-- Column 1: dissolved gas-oil ratio (Mscf per stb)
-- Column 2: bubble point pressure (psia)
-- Column 3: oil FVF for saturated oil (rb per stb)
-- Column 4: oil viscosity for saturated oil (cP)
-- Use values from top left table in Odeh's table 2:
0.0010 14.7 1.0620 1.0400 /
0.0905 264.7 1.1500 0.9750 /
0.1800 514.7 1.2070 0.9100 /
0.3710 1014.7 1.2950 0.8300 /
0.6360 2014.7 1.4350 0.6950 /
0.7750 2514.7 1.5000 0.6410 /
0.9300 3014.7 1.5650 0.5940 /
1.2700 4014.7 1.6950 0.5100
9014.7 1.5790 0.7400 /
1.6180 5014.7 1.8270 0.4490
9014.7 1.7370 0.6310 /
-- Need to specify data for undersaturated oil for the highest GOR.
-- Assume linear relation between GOR and FVF at 9014.7psi for saturated
-- and undersaturated oil such that we can find a value for FVF at 9014.7psi
-- and GOR=1.618. Use same approx. for viscosity.
0.0010 14.7 1.0620 1.0400 /
0.0905 264.7 1.1500 0.9750 /
0.1800 514.7 1.2070 0.9100 /
0.3710 1014.7 1.2950 0.8300 /
0.6360 2014.7 1.4350 0.6950 /
0.7750 2514.7 1.5000 0.6410 /
0.9300 3014.7 1.5650 0.5940 /
1.2700 4014.7 1.6950 0.5100
9014.7 1.5790 0.7400 /
1.6180 5014.7 1.8270 0.4490
9014.7 1.7370 0.6310 /
-- It is required to enter data for undersaturated oil for the highest GOR
-- (i.e. the last row) in the PVTO table.
-- In order to fulfill this requirement, values for oil FVF and viscosity
-- at 9014.7psia and GOR=1.618 for undersaturated oil have been approximated:
-- It has been assumed that there is a linear relation between the GOR
-- and the FVF when keeping the pressure constant at 9014.7psia.
-- From Odeh we know that (at 9014.7psia) the FVF is 2.357 at GOR=2.984
-- for saturated oil and that the FVF is 1.579 at GOR=1.27 for undersaturated oil,
-- so it is possible to use the assumption described above.
-- An equivalent approximation for the viscosity has been used.
/
SOLUTION
@ -238,23 +236,27 @@ EQUIL
-- Item 1: datum depth (ft)
-- Item 2: pressure at datum depth (psia)
-- - Odeh's table 1 says that initial reservoir pressure is
-- 4800 psi at 8400ft, which explains choice of item 1 and 2.
-- 4800 psi at 8400ft, which explains choice of item 1 and 2
-- Item 3: depth of water-oil contact (ft)
-- - chosen to be directly under the reservoir
-- Item 4: oil-water capillary pressure at the water oil contact (psi)
-- - given to be 0 in Odeh's paper
-- Item 5: depth of gas-oil contact (ft)
-- - chosen to be directly above the reservoir
-- 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