serial completion lgr

7/30/2019 Serial Completion LGR

1/7

--fully corrected to metric 03.04.13

--gas incl in Runspec section 04.04.13

--reducing no of cells for out-of-memory problem

--Productn data changed 09.04.13

--Flowrate reduced to 800 stb/day

RUNSPEC ==============================================================-- Title is used as header on output, to identify run

TITLE

Rim tank model buildup

-- Specify dimension of model, NX, NY, NZ

DIMENS

-- NX NY NZ

50 50 50 /

-- Phases included (oil, gas and water, i.e. 3-phase run)

OIL

WATER

GASDISGAS

-- Units to use, alternatives are METRIC, FIELD or LAB

FIELD

-- Specify maximum values for well data (# means max number of)

WELLDIMS

-- #wells #cell-connections Next three values are defaulted

4 5 3* /

LGR

-- MAXLGR MAXCLLGR MAXAMLGC MAXAMLGF MAXLGRAM LSTACK INTERP?

1 80 1* 1* 1* 1* 1* /

--Increase NStack solver size to 25 to increase speed maybe

NSTACK

10/

-- Start date, i.e. Day 0 in simulation

START

1 'JAN' 2004 /

GRID ===========================================================

-- Turn off writing of data to report fileNOECHO

-- Definition of grid cells. From DIMENS keyword above, we have:

-- N = NX*NY*NZ = 100*100*100 = 1000000.

-- In each cell DX = DY = 4 m and DZ varies btw GOC and OWC from 3-10m

-- (Dimension measured in m since units were defined as METRIC above)

-- The grid cells are then defined by:

DX

125000*26.24 /

DY

125000*26.24 /

DZ

62500*26.24 2500*39.38 60000*26.24/


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--BOX

-- 1 100 1 100 51 52 /

--DZ

-- 200000*10 /--ENDBOX

-- So far the grid shape has been defined, but we also need to define at

-- which depth (measured from sea level) the cell tops are. We assume a

-- horizontal reservoir, and input depths which are consistent with the

-- DZ-values we defined above.

BOX

1 50 1 50 1 1 /

TOPS

2500*9186.4 /ENDBOX

CARFIN

-- -- Box to refine -- Cells in LGR

-- LGR-name I1 I2 J1 J2 K1 K2 nx ny nz MaxWells

'CARWP1' 25 49 25 25 26 26 25 3 6 1 /

ENDFIN

-- Permeabilities are constant, so define 90 equal values.

PERMX

125000*200 /PERMY

125000*200 /

PERMZ

125000*20 /

-- Porosity is constant in each layer, so define 30 values in layer 1,

-- 30 in layer 2, and 30 in layer 3. Each layer contains 30 cells.

PORO

37500*0.3

50000*0.23

37500*0.18 /

-- Request to write an INIT (initial) file. Contains all data used to

-- initialize the model

INIT

-- Turn report writing back on

ECHO

PROPS ===============================================================

PVDG

1214.70 13.9470 0.01240

1414.70 7.02800 0.01250

1614.70 4.65700 0.01280

1814.70 3.45300 0.01300

2214.70 2.24000 0.01390


3/7

2614.70 1.63800 0.01480

3014.70 1.28200 0.01610

3414.70 1.05200 0.01730

3814.70 0.89000 0.01870

/

PVTO

0.13700 1214.70 1.17200 1.97000 /

0.19500 1414.70 1.20000 1.55600 /

0.24100 1614.70 1.22100 1.39700 /

0.28800 1814.70 1.24200 1.28000 /

0.37500 2214.70 1.27800 1.09500 /

0.46500 2614.70 1.32000 0.96700 /

0.55800 3014.70 1.36000 0.84800 /

0.66100 3414.70 1.40200 0.76200 /

0.77000 3814.70 1.44700 0.69100

4214.70 1.44050 0.694004614.70 1.43400 0.69700 /

/

PVTW

3814.7000 1.02310 3.10E-06 0.94000 0.00E+00 /

GRAVITY

35.0000 1.00960 0.75000 /

ROCK

3214.70 0.40E-05 /

SGFN

0.0000 0.0000 0.0000

0.0500 0.0000 0.0300

0.0900 0.0320 0.1000

0.1800 0.0890 0.3000

0.2700 0.1640 0.6000

0.3600 0.2530 1.0000

0.4500 0.3540 1.5000

0.5400 0.4650 2.1000

0.6300 0.5860 2.8000

0.7200 0.7160 3.6000

0.8100 0.8540 4.5000

0.9000 1.0000 5.5000

/

SOF3

0.3000 0.0000 0.0000

0.3600 0.0320 0.0010

0.4200 0.0890 0.0080

0.4800 0.1640 0.0275

0.5400 0.2530 0.0640

0.6000 0.3540 0.1250


4/7

0.6600 0.4650 0.2160

0.7200 0.5860 0.3430

0.7800 0.7160 0.5120

0.8400 0.8540 0.7290

0.9000 1.0000 1.0000

/

SWFN

0.1000 0.0000 20.000

0.1600 0.0005 9.0000

0.2200 0.0040 5.0000

0.2800 0.0135 4.1000

0.3400 0.0320 3.3000

0.4000 0.0625 2.6000

0.4600 0.1080 2.0000

0.5200 0.1720 1.5000

0.5800 0.2560 1.10000.6400 0.3650 0.8000

0.7000 0.5000 0.6000

0.8000 0.6670 0.3000

0.9000 0.8330 0.1000

1.0000 1.0000 0.0000

/

RPTPROPS

1 1 1 1 1 1 1 0 1 1 /

SOLUTION

RSVD

6000.0 0.7700

8000.0 0.7700

/

SOLUTION =============================================================

EQUIL

-- DD = Datum depth, the depth to which all reports will be referenced.

-- DD Pressure@DD OWC Pcow(OWC) Default rest of data items

-- (summarily taking OWC as DD - 3012 below, for now, pressure at 4800psi -- =332 bars

-- DD PDD OWC POWC GOC PGOC

9842 4815 9881.9 0 9842 0 4* /

RPTRST

BASIC=2 /

SUMMARY ==============================================================

-- List data vectors which we want stored for graphics post-processing

-- Field Oil Production Rate

FOPR

-- Field Oil Production Total

FOPT

-- Field Water Cut


5/7

FWCT

-- Field Pressure (averaged reservoir pressure)

FPR

-- Field Oil In Place

FOIP

-- Field Water Production RateFWPR

-- Field Water Injection Rate

FWIR

--BLOCK OIL SATURATION

--BOSAT

-- Well Water Cut for all wells

WWCT

'WP1' /

--Well Bottom Hole Pressure for all wells

WBHP

'WP1' /--Total CPU usage

TCPU

/

SCHEDULE ==============================================================

-- Specify output of graphics result files for cell data, and times which

-- to write these. (Details to come later)

RPTRST

BASIC=5 NORST=1 FREQ=6 /DRSDT

0.0003 /

-- Well specification: Give names, positions (i, j) and main phase of wells

--WELSPECS

--wname group i j Z(bhp) prefPhase

--'WP1' 'G' 25 25 1* 'OIL' /

--/

WELSPECL

'WP1' 'G' 'CARWP1' 1 2 1* 'OIL' 1* 'STD' 'SHUT' 'YES' 1 'SEG' 3* 'STD'

/

-- (Note two slashes, one terminates each well, one terminates the keyword)

-- Completion data, the well is open to the reservoir in cells in layers

-- from k_hi to k_lo.

--COMPDAT

--wname ic jc k_hi k_lo open/shut 2*DontCare well_diam Default...

-- Q1. What det d size of the well diam? in this case 0.3m = ?"

--'WP1' 25 25 26 26 'OPEN' 2* 1 4* /

/

COMPDATL


6/7

--Wnm LGRname Ic Jc Ktop Kbtm OPEN? SatTbl rw Kh .....

'WP1' 'CARWP1' 1 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 2 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 3 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 4 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 5 2 1 2 'OPEN' 2* 0.5 5* /'WP1' 'CARWP1' 6 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 7 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 8 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 9 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 10 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 11 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 12 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 13 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 14 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 15 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 16 2 1 2 'OPEN' 2* 0.5 5* /'WP1' 'CARWP1' 17 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 18 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 19 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 20 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 21 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 22 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 23 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 24 2 1 2 'OPEN' 2* 0.5 5* /

'WP1' 'CARWP1' 25 2 1 2 'OPEN' 2* 0.5 5* /

/

-- Production data, specify producing rate and constraints

-- Well WP1 will produce with an oil rate of 2000 STB/day constrained by

-- that wells flowing bottomhole pressure is minimum 3350 psi.

-- (Details to come later)

WCONPROD

--wname open/shut ctrlmode orat 4*Default bhpmin Rest default...

'WP1' 'OPEN' 'ORAT' 800 4* 3365 /

-- with a Fbhp of 3350 and average reservoir pressure of 4800 (at OWC) giving a max? PDD of

4800-3350 = 1450psi or about 332bars - 232bars = 100bars. {A

-- question can now be- Is this pressure drawdown PDD not too large, or too small?}

/

-- Milestone dates, e.g. to write results

DATES

1 'JUL' 2004 /

1 'JAN' 2005 /

/

-- Change production rate to 4000 STB/day

--WCONPROD

--wname open/shut ctrlmode orat 4*Default bhpmin Rest default...

--'WP1' 'OPEN' 'ORAT' 4000 4* 3365 /

--/

--DATES


7/7

--1 'JUL' 2005 /

/

-- Number and size (days) of timesteps

TSTEP

10*200 /

END

serial completion lgr

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