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MAIN.FOR
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C=====================================================================
C
C BOAST3: BLACK OIL APPLIED SIMULATION TOOL (from BOASTII 01/89)
C Modified for BDM by W.K. Sawyer - 05/06/92 (converted to NDP FORTRAN, etc.)
C Modified for LSU by W.K. Sawyer - 07/02/93 (added B3PLOT & COLORGRID)
C Modified for LSU by W.K. Sawyer - 05/31/95 (converted to MS PowerStation
C Fortran and added Restart)
C=====================================================================
c----- PARAMS.FOR and COMMON.INC have been modified (from MISC4) for
c----- B3PLOT & COLORGRID
INCLUDE 'PARAMS.FOR'
INCLUDE 'COMMON.INC'
c------- Added for ___.MAP file - 07/02/93 ------------------------------
c------- Note that NWX=LP11 and NODX=LP3 (see PARAMS.FOR)
CHARACTER*8 WELNAM(NWX)
CHARACTER*30 PARNAM
CHARACTER*75 HEADER, IDENT
DIMENSION IDWEL(NWX),NPW(NWX)
DIMENSION LWX(NWX,NODX), LWY(NWX,NODX), LWZ(NWX,NODX),
& IDIR(NWX,NODX)
C----- Arrays for outputting X & Y grid to ____.MAP file - added here for
C----- restart run - 06/03/95
DIMENSION DXNEW(IMX),DYNEW(JMX),DY1(IMX)
c------------------------------------------------------------------------
C
CHARACTER*75 DUMID(5)
DIMENSION DRSODP(LP1,LP2,LP3), QGRSO(LP1,LP2,LP3),
& RPW(LP1,LP2,LP3), RPG(LP1,LP2,LP3), RPO(LP1,LP2,LP3),
& RSOA(LP1,LP2,LP3),KR3(LP1,LP2,LP3),
& VISO(LP1,LP2,LP3),VISW(LP1,LP2,LP3),VISG(LP1,LP2,LP3),
& RHOO(LP1,LP2,LP3),RHOW(LP1,LP2,LP3),RHOG(LP1,LP2,LP3),
& CAPGO(LP1,LP2,LP3),CAPOW(LP1,LP2,LP3)
C.... NOTE: RSOA is passed to PRTPS
C.... DRSODP is passed to QRATE
C.... QGRSO is passed to QRATE & PRTPS
C.... RKROMX is used to set oil compressibility to zero
C.... and is passed to TABLE, PRTPS & QRATE
C========================================================================
c;;;;;;;;;;;;;;;; Restart Files ;;;;;;;;;;;;;;;;;;;
CHARACTER*12 RESIN,RESOUT
c;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
CHARACTER*5 WELNM
REAL KROT,KROGT,KRWT,KRGT,MUWT,MUOT,MUGT,KX,KY,KZ
& ,MUO,MUW,MUG,MBEWI,MBEGI,MCFGI
& ,MBEO,MBEW,MBEG,MCFG,MBEOI,MIN,MCFG1,MCFGT
C
COMMON /BUBBLE/ PBO,VSLOPE(LP8),BSLOPE(LP8),RSLOPE(LP8),PMAXT,
& IREPRS,MPGT(LP8),
& RHOSCO(LP8),RHOSCW(LP8),RHOSCG(LP8),MSAT(LP7),MPOT(LP8),
& MPWT(LP8),PBOT(LP1,LP2,LP3),PBOTN(LP1,LP2,LP3)
COMMON /COEF/ AW(LP1,LP2,LP3),AE(LP1,LP2,LP3),AN(LP1,LP2,LP3),
& AS(LP1,LP2,LP3),AB(LP1,LP2,LP3),AT(LP1,LP2,LP3),E(LP1,LP2,LP3),
& B(LP1,LP2,LP3)
COMMON /RUNSUM/ ITSNO(LP12),STIME(LP12),SOPROD(LP12),
& SGPROD(LP12),
& SWPROD(LP12),SGOR(LP12),SWOR(LP12),SGINJ(LP12),SWINJ(LP12)
COMMON /RUN2/SPVWTP(LP12),SOCUMP(LP12),SWCUMP(LP12),SGCUMP(LP12),
& SGCUMI(LP12),SWCUMI(LP12),SAQUIR(LP12),SAQUIC(LP12)
COMMON /SAQUI/ IAQOPT,CPIAQ1(LP1,LP2,LP3),CPIAQ2(LP1,LP2,LP3),
& CPI1(LP1,LP2,LP3),CPI2(LP1,LP2,LP3),EWAQ(LP1,LP2,LP3),
& CUMAQW(LP1,LP2,LP3),
& QWAQ(LP1,LP2,LP3),CUMEW(LP1,LP2,LP3),QWAQR(LP7),CUMAQR(LP7)
& ,IAQREG(LP1,LP2,LP3),PAQ(LP1,LP2,LP3),PIAQ(LP1,LP2,LP3)
COMMON /SARRAY/ PN(LP1,LP2,LP3),IOCODE,IDMAX,
& SON(LP1,LP2,LP3),SWN(LP1,LP2,LP3),SGN(LP1,LP2,LP3),
& A1(LP1,LP2,LP3),A2(LP1,LP2,LP3),A3(LP1,LP2,LP3),
& SUM(LP1,LP2,LP3),GAM(LP1,LP2,LP3),QS(LP1,LP2,LP3)
COMMON /SLIMIT/ GORT(LP11),WORT(LP11),ILIMOP(LP11),
& GORL(LP11),WORL(LP11),QOC(LP11,LP3),QWC(LP11,LP3),QGC(LP11,LP3)
COMMON /SPARM/ KX(LP1,LP2,LP3),KY(LP1,LP2,LP3),KZ(LP1,LP2,LP3),
& EL(LP1,LP2,LP3),TX(LP4,LP2,LP3),TY(LP1,LP5,LP3),TZ(LP1,LP2,LP6),
& PDAT(LP1,LP2,LP3),PDATUM,GRAD
COMMON /SPOST/ KOPR,KGPR,KWPR,KGOR,KWOR,KGIR,KWIR,KRESP,
& KAIR,KAIC,KCOP,KCGP,KCWP,KCGI,KCWI,ITSMAX
COMMON /SPRTPS/ P(LP1,LP2,LP3),SO(LP1,LP2,LP3),SW(LP1,LP2,LP3),
& SG(LP1,LP2,LP3)
COMMON /SPVT/ SAT(LP7,LP9),KROT(LP7,LP9),KRWT(LP7,LP9),
& BGT(LP7,LP9),
& KRGT(LP7,LP9),ITHREE(LP7),RSOT(LP7,LP9),BWPT(LP7,LP9),
& PCOWT(LP7,LP9),PCGOT(LP7,LP9),KROGT(LP7,LP9),SWR(LP7),
& POT(LP7,LP9),MUOT(LP7,LP9),BOT(LP7,LP9),BOPT(LP7,LP9),
& RSOPT(LP7,LP9),PWT(LP7,LP9),MUWT(LP7,LP9),BWT(LP7,LP9),
& PGT(LP7,LP9),MUGT(LP7,LP9),
& BGPT(LP7,LP9),CRT(LP7,LP9),IPVT(LP1,LP2,LP3),IROCK(LP1,LP2,LP3),
& NROCK,NPVT,PSIT(LP7,LP9),PRT(LP7,LP9),WOROCK(LP7),GOROCK(LP7)
COMMON /SRATE/ PID(LP11,LP3),PWF(LP11,LP3),PWFC(LP11,LP3),
& KIP(LP11),LAYER(LP11),QVO(LP11),CUMG(LP11,LP3),
& GMO(LP11,LP3),GMW(LP11,LP3),GMG(LP11,LP3),
& QVW(LP11),QVG(LP11),QVT(LP11),CUMO(LP11,LP3),CUMW(LP11,LP3),
& IDWELL(LP11),ALIT(LP11),BLIT(LP11)
COMMON /SSOLN/ BO(LP1,LP2,LP3),BW(LP1,LP2,LP3),BG(LP1,LP2,LP3),
& QO(LP1,LP2,LP3),QW(LP1,LP2,LP3),QG(LP1,LP2,LP3),
& GOWT(LP1,LP2,LP3),GWWT(LP1,LP2,LP3),GGWT(LP1,LP2,LP3),
& O1(LP4,LP2,LP3),W1(LP4,LP2,LP3),
& O2(LP1,LP5,LP3),W2(LP1,LP5,LP3),
& O3(LP1,LP2,LP6),W3(LP1,LP2,LP6),
& QOWG(LP1,LP2,LP3),VP(LP1,LP2,LP3),CT(LP1,LP2,LP3)
COMMON /TRIDI/ UM(LP15),AZL(LP15),BZL(LP15),CZL(LP15),DZL(LP15),
& UZL(LP15),X(LP15),BETA(LP15),GAMMA(LP15),W(LP15)
COMMON /TSTDAT/ IFATAL,IWARN
COMMON /VECTOR/ DX(LP1,LP2,LP3),DY(LP1,LP2,LP3),DZ(LP1,LP2,LP3),
& DZNET(LP1,LP2,LP3),IQN1(LP11),IQN2(LP11),IQN3(LP11)
COMMON /CHAR/ WELNM(LP11)
C
DIMENSION FTIO(50),OOIP(LP3),OWIP(LP3),ODGIP(LP3),OFGIP(LP3)
c;;;;;;;;;;;;;;;;;;;; Restart ;;;;;;;;;;;;;;;;;;;;;;;;;
DIMENSION REDATE(LP17)
c;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
DIMENSION RKCOEF(7,7),THRUA(LP1,LP2,LP3)
DIMENSION WOC(LP7),GOC(LP7)
C
DATA KRUNGE/1/
DATA RKCOEF
& /1.0,6*0.0,
& 0.13157894,1.0,5*0.0,
& 0.03937504,0.15625736,1.0,4*0.0,
& 0.01666967,0.053199139,0.16491829,1.0,3*0.0,
& 0.0085487791,0.024394839,0.059605275,0.16893119,1.0,2*0.0,
& .0049515953,.013195402,.028593749,.06308716,.17111215,1.0,0.0,
& .0031198738,.0079382925,.015998138,.031126418,.06518731,
& .17242757,1.0/
DATA ETI,FT,FTMAX/0.0,0.0,0.0/
DATA COP,CWP,CGP,CWI,CGI/0.0,0.0,0.0,0.0,0.0/
DATA IOMETH,IFTCOD,IRSCNT/0,0,1/
DATA NX,NY,NZ,NTER,NTEP,NW,
& NTMAX,NRST,N1DIR,N23DIR,NITER,NTRI
& /LP1,LP2,LP3,LP9,LP9,LP11,LP12,LP17,LP15,
& LP14,LP22,LP15/
C................................................................
c........ Initialize write switches for output to ___.OUT and ___.MAP files
DATA KXMP,KYMP,KZMP,
& IPMAP,ISOMAP,ISWMAP,ISGMAP,IPBMAP,IAQMAP,
& KROMP,KRWMP, KRGMP, IRSOMP, IPCOW,IPCGO, KPHIMP /16*0/
c........ Initialize new cum well & node production arrays
DATA WCGP, WCWP, WCOP / NWX*0., NWX*0., NWX*0. /
DATA CUMGN,CUMWN,CUMON / NODWX*0., NODWX*0., NODWX*0. /
IOCODE = 21
C.... New file structure for NDP Fortran...............................
OPEN(20, FILE = 'B.SIM', STATUS = 'OLD')
OPEN(21, FILE = 'B.OUT', STATUS = 'NEW')
OPEN(07, FILE = 'B.WEL', STATUS = 'NEW')
OPEN(09, FILE = 'B.SCR', STATUS = 'NEW')
OPEN(10, FILE = 'B.TAB', STATUS = 'NEW')
OPEN(15, FILE = 'B.GWN', STATUS = 'NEW')
OPEN(17, FILE = 'B.CGD', STATUS = 'NEW')
READ(20,69111) HEADER
WRITE(IOCODE,69113) HEADER
WRITE(*,69113) HEADER
WRITE(9,69113) HEADER
DO 10000 J=1,4
READ(20,69111) IDENT
WRITE(IOCODE,69113) IDENT
WRITE(*,69113) IDENT
WRITE(9,69113) IDENT
10000 CONTINUE
69111 FORMAT(A75)
69113 FORMAT(1X,A75)
c.... Begin is in BLOCK3.FOR (5/5/92)..............
CALL BEGIN(IOCODE, NROCK,NTER,NPVT,NTEP,NW,
& NTMAX,NRST,N1DIR,N23DIR,NITER,NTRI,
& IREOPT,IPLOTP,IRNUM,IRSTRT,NN,TMAX, RESIN,RESOUT, REDATE)
WRITE(17,69113) HEADER
IDMAX=0.0
CMBEO=0.0
CMBEW=0.0
CMBEG=0.0
693 FORMAT(A75)
69 FORMAT(40A2)
33 FORMAT(//)
C====================== Deleted lots here 9/20/91 ====================
C for IPOSTP=1
C**** POST-PLOT PACKAGE CODES
IF(IPLOTP.EQ.0) WRITE(IOCODE,3015)
3015 FORMAT(//T10,'POST-RUN TABLE WILL BE WRITTEN.')
C====================================================================
c;;;;;;;;;;;;; Restart Option Added - May-June, 1995 ;;;;;;;;;;;;;;
IF(IREOPT.GT.0) GO TO 20
c;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
C**** Establish reservoir and block dimensions
CALL GRIDSZ(IOCODE,II,JJ,KK,NX,NY,NZ, ALPHA, TOP)
C**** Establish porosity and permeability at each zone..................
CALL PORPRM(IOCODE,II,JJ,KK)
C**** Calculate interblock transmissibilities...........................
CALL TRANS(II,JJ,KK)
C**** Empirical data
CALL TABLE(IOCODE,II,JJ,KK,RKROMX,KR3)
C**** Establish initial conditions......................................
CALL UINITL(KPI,II,JJ,KK,ET0,CUMPO,MBEO, CUMPW,MBEW,CUMPG,MBEG,
&WOC,GOC,CUMIW,CUMIG,CAPGO,CAPOW)
C**** Solution method, debug print, and time-step control parameters....
CALL CODES(IOCODE,KSM1,KSN1,KCO1,NN,FACT1,FACT2,TMAX,KSOL,MITER,
& OMEGA,TOL,TOL1,KSN,KSM,KCO,KCOFF,KSCRN, KOUT, DSMAX,DPMAX,
& NUMDIS,IRK,THRUIN,WORMAX,GORMAX,PAMIN,PAMAX)
C**** Aquifer data entry
CALL AQUI(TMAX)
C==== READ NO. OF WELLS, NODES/WELL & CONTROLS & complete writes to _.CGD file
CALL WELLS(NWELLS,WELNAM,KSCRN,NODTOT,IDWEL,NPW,
& LWX,LWY,LWZ,IDIR, IOCODE)
C**** If a fatal input error occurs, do not begin run
IF(IFATAL.GE.1) GO TO 1006
IF(IWARN.GT.0) WRITE(IOCODE,19) IWARN
19 FORMAT(
&/5X,5('-'),'A TOTAL OF',I5,' WARNINGS HAVE BEEN NOTED',5('-'),/)
20 CONTINUE
C.... Read Recurrent Data Header
READ(20,69)
D5615=1.0/5.615
D288=1.0/288.
D144=1.0/144.
C... Determine time step index range
NINIT=1
IF(IREOPT.NE.1) GO TO 24
NINIT=IRSTRT
24 NMAX=NN+1
C============== THIS IS BEGINNING OF TIME-STEP LOOP ====================
C.... Recurrent calc loop....................
DO 1000 N=NINIT,NMAX
NLOOP=N
c;;;;;;;;;;;;;;;;;;;;; Restart ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
C**** Restart algorithm
IF(IREOPT.EQ.-1) GO TO 30
IF(IREOPT.EQ.0) GO TO 25
IF(N.LT.IRSTRT) GO TO 1000
IF(N.GT.IRSTRT) GO TO 25
IRS=0
22 IRS=IRS+1
READ (24) CPIAQ1,CPIAQ2,CPI1,CPI2,EWAQ,CUMAQW,
& QWAQ,CUMEW,IAQREG,PAQ,PIAQ,
& P,SO,SW,SG,PN,SON,SWN,SGN,
& CUMO,CUMW,CUMG,TX,TY,TZ, DX,DY,DZ,
& QOC,QWC,QGC,PID,PWF,PWFC,GMO,GMW,GMG,
& BO,BW,BG,VP,CT,EL,PBOT,PBOTN, RPO,RPW,RPG,RSOA,
& NPW,LWX,LWY,LWZ, ALPHA,TOP, KR3, CAPGO,CAPGW,
& RHOO,RHOW,RHOG, VISO,VISW,VISG, IDIR,IDWEL
C** VECTORS
READ (24) QWAQR,CUMAQR, KX,KY,KZ,PHI,
& ITSNO,STIME,SOPROD,SGPROD,SWPROD,SGOR,SWOR,
& SGINJ,SWINJ,SPVWTP,SOCUMP,SWCUMP,SGCUMP,
& SGCUMI,SWCUMI,SAQUIR,SAQUIC, GORT,WORT,GORL,WORL,
& ILIMOP,KIP,WELNAM,LAYER,IDWELL, QVO,QVG,QVW,QVT, IQN1,IQN2,IQN3,
& MSAT,MPOT,MPWT,MPGT,RHOSCO,RHOSCW,RHOSCG, VSLOPE,BSLOPE,RSLOPE,
& SAT,KROT,KRWT,KRGT,KROGT,PCOWT,PCGOT,POT,MUOT,BOT,BOPT,RSOT,RSOPT
&,PWT,MUWT,BWT,BWPT, PGT,PSIT,MUGT,BGT,BGPT,PRT,CRT,
& WQG,WQW,WQO,WCGP,WCWP,WCOP,WGOR,WWOR,WSGAV,WSWAV,WSOAV,WPOAV,
& WPWFAV, QGN,QWN,QON,CUMGN,CUMWN,CUMON,NGOR,NWOR,SGG,SWW,SOO,
& POO,NPWF
C** SCALARS
READ (24) II,JJ,KK,KSM1,KSN1,KCO1,KSOL,MITER, NUMDIS,IRK,THRUIN,
& FACT1,FACT2,OMEGA,TOL,TOL1,WORMAX,GORMAX,PAMIN,PAMAX,
& NVQN,CWI,CGI,ETI,PBO,PMAXT, KSCRN,KOUT, KDX,KDY,KDZ,KDZNET,
& STBO,STBOI,STBW,STBWI,MCFG,MCFGI,MBEO,MBEW,MBEG,CMBEO,CMBEW,
& CMBEG,TOOIP,TOWIP,TOGIP,TODGIP,TOFGIP,DELT0,RESVOL,OP,WP,GP,WI,
& GI,PAVG0,PAVG,OPR,WPR, GPR,WIR,GIR,COP, CWP,CGP,MCFG1,MCFGT,
& CWOR,WOR,CGOR,GOR,DSMAX,DPMAX,KCOFF,KSN,KSM, KCO,SWR,PDATUM,
& GRAD,DSMC,DPMC,IAQOPT,NTSTEP,IREPRS,ITHREE, NROCK,NPVT,IROCK,
& IPVT,NWELLS,NODTOT,RKROMX,KXMP,KYMP,KZMP,IPMAP,ISOMAP,ISWMAP,
& ISGMAP,IPBMAP,IAQMAP,KROMP,KRWMP,KRGMP,IRSOMP,IPCOW,IPCGO,KPHIMP
WRITE(21,31) IRS,NTSTEP,ETI
WRITE(9,31) IRS,NTSTEP,ETI
WRITE(*,31) IRS,NTSTEP,ETI
31 FORMAT(/T5,70('-'),/T5,
& 'RESTART DATA READ - RESTART RECORD NO.=',I5,/T5,
& 'NTSTEP =',I5,' AND ELAPSED TIME (ETI) =',F12.4,' DAYS.',
& /T5,70('-'),/)
IF(N.EQ.NTSTEP) GO TO 25
IF(IRS.LT.3) GO TO 22
WRITE(IOCODE,23) IRS,N,ETI,NTSTEP
23 FORMAT(/1X,70('-'),/1X,
&'ATTEMPT TO READ RESTART DATA FAILED AFTER',I3,' TRIES @ STEP',I4,
&/1X,'TIME =',F10.2,' DAYS',3X,'LAST RESTART TIME STEP READ =',I5,
&/1X,70('-')/)
GO TO 1006
25 CONTINUE
IF(ETI.NE.REDATE(IRSCNT)) GO TO 30
IF(IRSCNT.GT.3) GO TO 28
NTSTEP=N
c--------------------------------
INCLUDE 'RESTART.INC'
c--------------------------------
WRITE(21,26) NTSTEP,ETI
WRITE(9,26) NTSTEP,ETI
WRITE(*,26) NTSTEP,ETI
26 FORMAT(/T5,70('-'),
&/T5,'RESTART RECORD WRITTEN AT BEGINNING OF STEP',I5,
&/T5,' TIME =',F12.4,' DAYS',
&/T5,70('-'),//)
IRSCNT=IRSCNT+1
GO TO 30
28 WRITE(IOCODE,29) IRSCNT,NTSTEP,ETI
29 FORMAT(/T10,100('-'),/T10,
& 'THE NUMBER OF RESTART WRITE (',I2,') EXCEEDS THE',
& ' ALLOWED NUMBER AT TIME STEP',I5,
& ' (TIME =',F10.2,' DAYS)',/T10,100('-'),/)
GO TO 1006
30 CONTINUE
C;;;;;;;;;;;;;;;;;;;; End Restart Stuff ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
IF(N.GT.NINIT) GO TO 3000
c-------------------- Write grid and well data to .CGD file ------------------
DO 9550 I=1,II
DXNEW(I) = DX(I,1,1)
IF(KDY.EQ.1) THEN
DY1(I) = DY(I,1,1)
ENDIF
9550 CONTINUE
IF(KDY.LT.1) THEN
DO 9560 J=1,JJ
DYNEW(J) = DY(1,J,1)
9560 CONTINUE
ENDIF
C------- NOTE: COLORGRD only recognizes KDY=0 or KDY=1; since 0 and -1
C------- have the same meaning anyway, will change -1 to 0 for
C------- input to COLORGRD.
C---- NOTE: There is no KRAD=1 option in MISC4 OR BOAST3 - so just define KRAD=0
KDYY = KDY
IF(KDYY.EQ.-1) KDYY = 0
KRAD = 0
WRITE(17,959)
959 FORMAT(1X,' NX NY NZ KRAD KDYY')
WRITE(17,9611) II,JJ,KK,KRAD,KDYY
9611 FORMAT(1X,5I5)
WRITE(17,9631)
9631 FORMAT(1X,'.............. X-direction blocks...............')
WRITE(17,9651) (DXNEW(I),I=1,II)
9651 FORMAT(1X,100G12.5)
WRITE(17,9671)
9671 FORMAT(1X,'.............. Y-direction blocks...............')
IF(KDYY.EQ.0) WRITE(17,9651) (DYNEW(J),J=1,JJ)
IF(KDYY.EQ.1) WRITE(17,9651) (DY1(I),I=1,II)
c----------------- Now write Record Length for ___.CGD file ----------------
NBYTES = 4 + 30 + II*JJ*KK*4
c.... Round up to nearest multiple of 128 bytes (not really necessary).
MAPREC = (NBYTES/128 + 1) * 128
WRITE(*,77751) NBYTES,MAPREC
WRITE(9,77751) NBYTES,MAPREC
WRITE(IOCODE,77751) NBYTES,MAPREC
77751 FORMAT(//1X,
&'NBYTES=',I5,' Record Length of Map file: MAPREC=',I5/)
c.... Write record length to ____.CGD file............
WRITE(17,7777)
7777 FORMAT(1X,'Record Length for .MAP file')
WRITE(17,7779) MAPREC
7779 FORMAT(1X,2I5)
c----------------- Now write well and node data to .CGD file ----------------
WRITE(17,1059)
1059 FORMAT(1X,'No. of Wells')
WRITE(17,961) NWELLS
961 FORMAT(1X,I5)
WRITE(17,963)
963 FORMAT(1X,' Well Nodes WellName')
965 FORMAT(1X,I5,I5,1X,A8)
DO 411 NW = 1,NWELLS
WRITE(17,965) IDWEL(NW), NPW(NW), WELNAM(NW)
411 CONTINUE
WRITE(17,9591)
9591 FORMAT(1X,' Well Node(i,j,k) DIR')
DO 4111 NW=1,NWELLS
NODS = NPW(NW)
DO 4111 M=1,NODS
I = LWX(NW,M)
J = LWY(NW,M)
K = LWZ(NW,M)
IDIRX = IDIR(NW,M)
WRITE(17,9611) IDWEL(NW),I,J,K,IDIRX
4111 CONTINUE
C********************* ____.CGD FILE is now complete *********************
OPEN(18, FILE = 'B.MAP', STATUS = 'UNKNOWN', FORM= 'UNFORMATTED',
& ACCESS= 'DIRECT', RECL=MAPREC)
C========================================================================
C========================================================================
C.... Write "time zero or initial" stuff to ____.MAP file.................
c===> NOTE : If XMULT > 0.0, the array passed will be multiplied by XMULT.
R4TIME = 0.0
XMULT = 0.0
MREC = 0
PARNAM = 'Top Elev, ft '
CALL OUTMAP(MREC,II,JJ,KK,R4TIME,TOP,XMULT,PARNAM)
PARNAM = 'Thickness, ft '
CALL OUTMAP(MREC,II,JJ,KK,R4TIME,DZ,XMULT,PARNAM)
PARNAM = 'X-dir grid, ft '
MREC = MREC+1
WRITE(18,REC=MREC)
& R4TIME,PARNAM,(((DX(I,J,K), I=1,II), J=1,JJ), K=1,KK)
PARNAM = 'Y-dir grid, ft '
MREC = MREC+1
WRITE(18,REC=MREC)
& R4TIME,PARNAM,(((DY(I,J,K), I=1,II), J=1,JJ), K=1,KK)
IF(KXMP.GT.0) THEN
PARNAM = 'X-perm, md '
CALL OUTMAP(MREC,II,JJ,KK,R4TIME,KX,XMULT,PARNAM)
ENDIF
IF(KYMP.GT.0) THEN
PARNAM = 'Y-perm, md '
CALL OUTMAP(MREC,II,JJ,KK,R4TIME,KY,XMULT,PARNAM)
ENDIF
IF(KZMP.GT.0) THEN
PARNAM = 'Z-perm, md '
CALL OUTMAP(MREC,II,JJ,KK,R4TIME,KZ,XMULT,PARNAM)
ENDIF
C------- ADD THESE LATER - TX, TY, TZ have different dimensions --------------
C------- - and therefore OUTMAP cannot be used ---------------
C IF(ITCODE.GT.0) THEN
C ITXW = 1
C ITYW = 1
C IYZW = 1
C ENDIF
C IF(ITXW.GT.0) THEN
C PARNAM = 'X-dir Trans. '
C CALL OUTMAP(MREC,II,JJ,KK,R4TIME,TX,XMULT,PARNAM)
C ENDIF
C
C IF(ITYW.GT.0) THEN
C PARNAM = 'Y-dir Trans. '
C CALL OUTMAP(MREC,II,JJ,KK,R4TIME,TY,XMULT,PARNAM)
C ENDIF
C
C IF(ITYZ.GT.0) THEN
C PARNAM = 'Z-dir Trans. '
C CALL OUTMAP(MREC,II,JJ,KK,R4TIME,TZ,XMULT,PARNAM)
C ENDIF
C=============================================================================
C.... Calculate record length for binary file (to contain data for B3PLOT)
c.... Open file and write first (header) record..........................
c--------------- Description of record length of ___.BPD file ------------
c.... time welmam field inj stuff field-well-node stuff
c.... NRECL = 1*4 + 8*NWELLS + 7*4 + 13(1+NWELLS+NODTOT)*4
c------------------------------------------------------------------------
NBYTES = 32 + 8*NWELLS + 52*(1+NWELLS+NODTOT)
c.... Round up to nearest multiple of 128 bytes (not really necessary).
NRECL = (NBYTES/128 + 1) * 128
WRITE(*,77753) NBYTES,NRECL
WRITE(9,77753) NBYTES,NRECL
WRITE(IOCODE,77753) NBYTES,NRECL
77753 FORMAT(//1X,
&'NBYTES=',I5,' Record Length of BPD file = ',I5,' bytes'/)
C.... Open binary production data file & write run ID header..........
C.... Note that record length (NRECL) is not known until this point!
OPEN(14, FILE = 'B.BPD', STATUS = 'UNKNOWN', FORM= 'UNFORMATTED',
& ACCESS= 'DIRECT', RECL=NRECL)
IREC=1
WRITE(14,REC=IREC) HEADER,NWELLS,(NPW(L),L=1,NWELLS)
C.... Write to ___.GWN file (basic information: grid, well, nodes & NRECL)
C.... Note: NRECL must be known by POSTSIM in order to open ___.BPD file....
WRITE(15,27713) HEADER
27713 FORMAT(1X,A75)
WRITE(15,151) II,JJ,KK, NRECL
151 FORMAT(1X,3I5,I10)
WRITE(15,153) NWELLS,NODTOT
DO 152 L=1,NWELLS
DO 152 M=1,NPW(L)
C.... Retrieve (i,j,k) location ...................
I = LWX(L,M)
J = LWY(L,M)
K = LWZ(L,M)
WRITE(15,153) L,IDWEL(L),WELNAM(L),NPW(L), I,J,K
152 CONTINUE
153 FORMAT(1X, I5,I5, 3X,A8, I5, 3X,I2,'-',I2,'-',I2)
C=======================================================================
3000 CONTINUE
C**** RECURRENT DATA....................................................
IF(N.EQ.1) GO TO 40
IF(FT.LT.FTMAX) GO TO 46
IF(IOMETH.EQ.0) GO TO 40
IF(IFTCOD.EQ.IOMETH) GO TO 40
IFTCOD=IFTCOD+1
FTMAX=FTIO(IFTCOD)
IF(FTMAX.GT.TMAX) FTMAX=TMAX
GO TO 46
C.... Read Header (e.g. "Data Set 1") ....................
40 READ(20,69,END=1006)
C==================================================================
C.....NOTE THAT IOMETH & IWLCNG REVERSED - MORE LOGICAL
C==================================================================
C READ(20,*) ICHANG
C READ(20,*) IOMETH
C READ(20,*) IWLCNG
READ(20,*) ICHANG, IOMETH, IWLCNG
IF(IOMETH.GT.0) GO TO 42
READ(20,*) IWLREP,ISUMRY
READ(20,*) IPMAP,ISOMAP,ISWMAP,ISGMAP,IPBMAP,IAQMAP
READ(20,*) KROMP,KRWMP, KRGMP, IRSOMP, IPCOW,IPCGO, KPHIMP
READ(20,*) DAY,DTMIN,DTMAX
DELT=DAY
FTMAX=ETI+ICHANG*DELT
IF(FTMAX.GT.TMAX) FTMAX=TMAX
IFREQW=0
IFREQS=0
GO TO 43
42 READ(20,*) (FTIO(I),I=1,IOMETH)
READ(20,*) IPMAP,ISOMAP,ISWMAP,ISGMAP,IPBMAP,IAQMAP
READ(20,*) KROMP,KRWMP,KRGMP,IRSOMP, IPCOW,IPCGO, KPHIMP
READ(20,*) DAY,DTMIN,DTMAX
DELT=DAY
IFTCOD=1
FTMAX=FTIO(IFTCOD)
IF(FTMAX.GT.TMAX) FTMAX=TMAX
43 CONTINUE
IF(IWLCNG.EQ.0) GO TO 45
CALL NODES(NVQN)
C.... Time step summary heading activated
ITSS=0
45 CONTINUE
46 CONTINUE
IF(N.EQ.1) THEN
DELT0=DELT
GO TO 1050
ENDIF
C.... Auto time-step adjustment.........................................
IF(DSMC.LT.DSMAX.AND.DPMC.LT.DPMAX) DELT=DELT*FACT1
IF(DSMC.GT.DSMAX.OR.DPMC.GT.DPMAX) DELT=DELT*FACT2
IF(DELT.GT.DTMAX) DELT=DTMAX
IF(IRK.EQ.0) GO TO 1045
C.... R-K Soln loop max.
DO 47 I=1,II
DO 47 J=1,JJ
DO 47 K=1,KK
47 THRUA(I,J,K)=0.0
DO 48 J=1,NVQN
IQ1=IQN1(J)
IQ2=IQN2(J)
IQ3=IQN3(J)
IJLOC=IDWELL(J)
LAY=IQ3+(LAYER(J)-1)
DO 48 K=IQ3,LAY
BPT=PBOT(IQ1,IQ2,K)
PP=P(IQ1,IQ2,K)
IPVTR=IPVT(IQ1,IQ2,K)
CALL INTPVT(IPVTR,BPT,BSLOPE(IPVTR),POT,BOT,MPOT(IPVTR),PP,BBO)
CALL INTERP(IPVTR,PWT,BWT,MPWT(IPVTR),PP,BBW)
CALL INTERP(IPVTR,PGT,BGT,MPGT(IPVTR),PP,BBG)
THRUA(IQ1,IQ2,K)= THRUA(IQ1,IQ2,K) + DELT*
& (QOC(IJLOC,K)*BBO + QWC(IJLOC,K)*BBW + QGC(IJLOC,K)*BBG)
48 CONTINUE
THRU=0.
DO 49 J=1,NVQN
IQ1=IQN1(J)
IQ2=IQN2(J)
IQ3=IQN3(J)
LAY=IQ3+(LAYER(J)-1)
DO 49 K=IQ3,LAY
IF(VP(IQ1,IQ2,K).LE.0.0) GO TO 49
THRUPV=ABS(THRUA(IQ1,IQ2,K))/VP(IQ1,IQ2,K)
IF(THRU.LT.THRUPV) THRU=THRUPV
49 CONTINUE
KRUNGE=1.+SQRT(THRU/THRUIN)
IF(KRUNGE.LE.7) GO TO 1045
DELT=DELT*7./KRUNGE
KRUNGE=7
1045 CONTINUE
IF(DELT.LT.DTMIN) DELT=DTMIN
IF(ETI+DELT.GT.FTMAX) DELT=FTMAX-ETI
1050 FT=ETI+DELT
IF(ETI+DELT*0.5.GE.TMAX) GO TO 1006
C**** Itflag counts the number of time step repetitions.
ITFLAG=0
C**** Reentry point for repeated time step..........................
1060 CONTINUE
DIV1=1.0/DELT
IF(N.GT.1.OR.ITFLAG.GT.0) GO TO 105
C**** Initial fluid calculations........................................
WRITE(IOCODE,80)
80 FORMAT(///T15,'******* INITIAL FLUID VOLUMES *******'/)
RESVOL=0.0
SCFO=0.0
c......... added SCFW - 10/02/93 .........
SCFW=0.0
SCFG=0.0
SCFG1=0.0
DO 102 K=1,KK
OOIP(K)=0.
OWIP(K)=0.
ODGIP(K)=0.
OFGIP(K)=0.
DO 100 J=1,JJ
DO 100 I=1,II
PP=P(I,J,K)
c........ must use correct phase pressures - fixed 10/02/93 ...........
c........... (was ok in 450-loop below)
PPG = PP + CAPGO(I,J,K)
PPW = PP - CAPOW(I,J,K)
c........ note that PPG & PPW are used below to get gas & water properties !!
BPT=PBOT(I,J,K)
RESVOL=RESVOL+VP(I,J,K)
IPVTR=IPVT(I,J,K)
C**** NOTE: We are assuming initial phi is at initial reservoir pressure
CALL INTPVT(IPVTR,BPT,RSLOPE(IPVTR),POT,RSOT,MPOT(IPVTR),PP,RSO)
C==============================
RSOA(I,J,K) = RSO
C==============================
CALL INTPVT(IPVTR,BPT,BSLOPE(IPVTR),POT,BOT,MPOT(IPVTR),
& PP,BO(I,J,K))
CALL INTERP(IPVTR,PWT,BWT,MPWT(IPVTR),PPW,BW(I,J,K))
CALL INTERP(IPVTR,PGT,BGT,MPGT(IPVTR),PPG,BG(I,J,K))
C
C--------- Also get viscosities & calculate densities here !!!!!
CALL INTPVT(IPVTR,BPT,VSLOPE(IPVTR),POT,MUOT,MPOT(IPVTR),PP,MUO)
CALL INTERP(IPVTR,PWT,MUWT,MPWT(IPVTR),PPW,MUW)
CALL INTERP(IPVTR,PGT,MUGT,MPGT(IPVTR),PPG,MUG)
VISO(I,J,K) = MUO
VISW(I,J,K) = MUW
VISG(I,J,K) = MUG
RHOO(I,J,K) =(RHOSCO(IPVTR) + RSO*RHOSCG(IPVTR))/BO(I,J,K)
RHOW(I,J,K) = RHOSCW(IPVTR)/BW(I,J,K)
RHOG(I,J,K) = RHOSCG(IPVTR)/BG(I,J,K)
C-----------------------------------------------------------------------
FF1 = SO(I,J,K)/BO(I,J,K)
FF2 = SW(I,J,K)/BW(I,J,K)
SCFO = SCFO+VP(I,J,K)*FF1
SCFW = SCFW+VP(I,J,K)*FF2
SCFG = SCFG+VP(I,J,K)*SG(I,J,K)/BG(I,J,K)
SCFG1= SCFG1+VP(I,J,K)*(RSO*FF1)
C**** Calculate compressibilitiies......................................
CALL INTCOM(IPVTR,POT,BOPT,MPOT(IPVTR),PP,BODER)
CALL INTCOM(IPVTR,POT,RSOPT,MPOT(IPVTR),PP,RSODER)
C=================================
DRSODP(I,J,K) = RSODER
C=================================
CALL INTCOM(IPVTR,PWT,BWPT,MPWT(IPVTR),PP,BWDER)
CALL INTCOM(IPVTR,PGT,BGPT,MPGT(IPVTR),PP,BGDER)
c.......................................................................
CCC CALL INTERP(IPVTR,PGT,BGT,MPGT(IPVTR),PP,BBG)
CCC PP1 = PP + 5.0
CCC CALL INTERP(IPVTR,PGT,BGT,MPGT(IPVTR),PP1,BBG1)
CCC BGDER = (BBG1 - BBG)/5.0
c.......................................................................
IF(PP.GT.PBOT(I,J,K)) BODER=BSLOPE(IPVTR)
IF(PP.GT.PBOT(I,J,K)) RSODER=RSLOPE(IPVTR)
CO = -(BODER-BG(I,J,K)*RSODER)/BO(I,J,K)
CW = -BWDER/BW(I,J,K)
CG = -BGDER/BG(I,J,K)
CALL INTERP(IPVTR,PRT,CRT,MPGT(IPVTR),PP,CR)
CT(I,J,K)=CR + CO*SO(I,J,K) +CW*SW(I,J,K) + CG*SG(I,J,K)
IF(KCO1.NE.0)
& WRITE(IOCODE,33771) I,J,K,PP,BWDER,BW(I,J,K),CW,BGDER,BG(I,J,K),CG
33771 FORMAT(1X,'IJK,P,BWDER,BW(),CW,BGDER,BG(),CG:',
& /1X,3I3,F8.1,G12.5,F8.4,4G12.5)
C**** Calculate initial fluids in place.................................
c.... ch'd SON, SWN and SGN to SO, SW and SG on the following four stmt's
c.... 10/02/93 ......
OOIP(K)=OOIP(K)+D5615*1.E-06*SO(I,J,K)*VP(I,J,K)/BO(I,J,K)
OWIP(K)=OWIP(K)+D5615*1.E-06*SW(I,J,K)*VP(I,J,K)/BW(I,J,K)
ODGIP(K)=ODGIP(K)+0.001*1.E-06*(RSO*SO(I,J,K)*
& VP(I,J,K)/BO(I,J,K) )
OFGIP(K)=OFGIP(K)+1.E-09*SG(I,J,K)*VP(I,J,K)/BG(I,J,K)
IF(KCO1.EQ.0) GO TO 100
WRITE(IOCODE,21) I,J,K,VP(I,J,K),CT(I,J,K),BO(I,J,K),SO(I,J,K),
& BW(I,J,K),SW(I,J,K),BG(I,J,K),SG(I,J,K)
100 CONTINUE
WRITE(IOCODE,110)K,OOIP(K),OWIP(K),ODGIP(K),OFGIP(K)
110 FORMAT(/,T15,'LAYER',I3,' INITIAL FLUID VOLUMES:',
& /,T20,'OIL IN PLACE (MILLION STB)',T65,F16.10,
& /,T20,'WATER IN PLACE (MILLION STB)',T65,F16.10,
& /,T20,'SOLUTION GAS IN PLACE (BILLION SCF)',T65,F16.10,
& /,T20,'FREE GAS IN PLACE (BILLION SCF)',T65,F16.10/)
102 CONTINUE
TOOIP=0.
TOWIP=0.
TODGIP=0.
TOFGIP=0.
DO 103 K=1,KK
TOOIP=TOOIP+OOIP(K)
TOWIP=TOWIP+OWIP(K)
TODGIP=TODGIP+ODGIP(K)
TOFGIP=TOFGIP+OFGIP(K)
103 CONTINUE
TOGIP = TODGIP + TOFGIP
WRITE(IOCODE,115) TOOIP,TOWIP,TODGIP,TOFGIP
115 FORMAT(/,T15,'TOTAL INITIAL FLUID VOLUMES IN RESERVOIR:',
& /,T20,'OIL IN PLACE (MILLION STB)',T65,F16.10,
& /,T20,'WATER IN PLACE (MILLION STB)',T65,F16.10,
& /,T20,'SOLUTION GAS IN PLACE (BILLION SCF)',T65,F16.10,
& /,T20,'FREE GAS IN PLACE (BILLION SCF)',T65,F16.10/)
STBO=SCFO*D5615
STBW=SCFW*D5615
MCFG=SCFG*0.001
MCFG1=SCFG1*0.001
cccC!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ccc WRITE(*,10011) MCFG,MCFG1,TOFGIP
ccc10011 FORMAT(/1X,'MCFG,MCFG1,TOFGIP:',3G15.6/)
ccc PAUSE
cccC!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
STBOI=STBO
STBWI=STBW
MCFGT=MCFG+MCFG1
NLOOP=N
105 IF(N.EQ.NINIT.AND.ITFLAG.LE.0)
& CALL PRTPS(NLOOP,II,JJ,KK,PAVG0,PAVG,CMBEO,CMBEW,CMBEG,
& COP,CWP,CWI,CGP,CGI,MBEO,MBEW,MBEG,DELT0,
& OPR,WPR,GPR,WIR,GIR,ETI, KOUT,
&CWOR,CGOR,WOR,GOR,IPMAP,ISOMAP,ISWMAP,ISGMAP,IPBMAP,IAQMAP,
&KROMP,KRWMP,KRGMP, IRSOMP, IPCOW,IPCGO, KPHIMP,
&RSOA,QGRSO,RKROMX,QGRSOT,CAPGO,CAPOW, RPO,RPW,RPG)
IF(N.EQ.NMAX) GO TO 1006
C**** BEGIN OUTER ITERATION LOOP FOR STABILIZED IMPES ******************
C -----------------------------------------------
ITNCNT=0
4000 ITNCNT=ITNCNT+1
C**** Establish rates & calculate BHFP(if PID is nonzero)...............
IF(NVQN.EQ.0) GO TO 1160
CALL QRATE(II,JJ,KK,NVQN,GORMAX,WORMAX,ETI
&,NLOOP,DELT,RKROMX,DRSODP,QGRSO,QGRSOT,CAPGO,CAPOW)
1160 CONTINUE
C**** CALCULATE SEVEN DIAGONAL MATRIX FOR FLOW EQ SOLUTION *************
C ----------------------------------------------------
IF(NUMDIS.EQ.0) THEN
CALL SOLWKS(NLOOP,II,JJ,KK,DIV1,D288,KSM,KSM1,N,NN,
& KCOFF, RPW,RPG, RPO,RSOA,VISO,VISW,VISG,RHOO,RHOW,RHOG,KR3,
& CAPGO,CAPOW)
ENDIF
IF(NUMDIS.EQ.1) CALL SOLTWO(II,JJ,KK,DIV1,D288,
&KSM,KSM1,N,NN,KCOFF, RPO,RPW,RPG,CAPOW,CAPGO)
C!!!! NOTE: CAPOW & CAPGO are defined in SOLWKS or SOLTWO !!!
C**** Modify matrix elements for wells under implicit control...........
IF(NVQN.EQ.0) GO TO 1170
CALL PRATEI(II,JJ,KK,RKROMX,DELT,CAPGO,CAPOW,QGRSOT,DRSODP,NVQN)
1170 CONTINUE
C*** AQUIFER MODEL: P EQ COEF. MODIFICATIONS **************************
IF(IAQOPT.NE.0) CALL AQIN(II,JJ,KK,DELT,ETI)
C**** CALCULATE NEW PRESSURE DISTRIBUTION ******************************
C -----------------------------------
C Skip P calc when outer iteration exceeds 1
IF(ITNCNT.GT.1) GO TO 1175
IF(KSOL.EQ.1) CALL GAUS1D(IOCODE,IFATAL,II,JJ,KK)
IF(IFATAL.GE.1) GO TO 1006
IF(KSOL.EQ.2) CALL LSORX(II,JJ,KK,OMEGA,TOL,TOL1,MITER,
& DELT,DELT0,KSN,NLOOP,NLITER)
IF(KSOL.EQ.3) CALL LSORY(II,JJ,KK,OMEGA,TOL,TOL1,MITER,
& DELT,DELT0,KSN,NLOOP,NLITER)
IF(KSOL.EQ.4) CALL LSORZ(II,JJ,KK,OMEGA,TOL,TOL1,MITER,
& DELT,DELT0,KSN,NLOOP,NLITER)
1175 CONTINUE
C**** Calculate implicit rates..........................................
IF(NVQN.EQ.0) GO TO 1180
CALL PRATEO(RKROMX,QGRSOT,QGRSO,DRSODP,CAPOW,CAPGO,NVQN)
1180 CONTINUE
C**** AQUIFER MODEL RATES **********************************************
IF(IAQOPT.NE.0) CALL AQOUT(II,JJ,KK,DELT)
C**** CALCULATE NEW FLUID SATURATIONS **********************************
C -------------------------------
SCFO=0.0
SCFW=0.0
SCFG=0.0
SCFG1=0.0
RESVOL=0.0
c......... Also need average saturations for ____.BPD file
SOAV = 0.0
SWAV = 0.0
SGAV = 0.0
DO 400 K=1,KK
DO 400 J=1,JJ
DO 400 I=1,II
C.... Calculate new reservoir pore volume...............................
PPN = PN(I,J,K)
PP = P(I,J,K)
PPG = PP + CAPGO(I,J,K)
PPW = PP - CAPOW(I,J,K)
BPT = PBOT(I,J,K)
IPVTR= IPVT(I,J,K)
CALL INTPVT(IPVTR,BPT,RSLOPE(IPVTR),POT,RSOT,MPOT(IPVTR),PP,RSO)
RSOA(I,J,K) = RSO
CALL INTERP(IPVTR,PRT,CRT,MPGT(IPVTR),PPN,CR)
CALL INTPVT(IPVTR,BPT,BSLOPE(IPVTR),POT,BOT,MPOT(IPVTR),PP,BBO)
CALL INTERP(IPVTR,PWT,BWT,MPWT(IPVTR),PPW,BBW)
CALL INTERP(IPVTR,PGT,BGT,MPGT(IPVTR),PPG,BBG)
VPP=VP(I,J,K) * (1.0+CR*(P(I,J,K)-PPN))
RESVOL=RESVOL+VPP
DP1=0.0
DP2=0.0
DP3=0.0
DP4=0.0
DP5=0.0
DP6=0.0
IF((I-1).GT.0) DP1=P(I-1,J,K)-PP
IF((I+1).LE.II) DP2=P(I+1,J,K)-PP
IF((J-1).GT.0) DP3=P(I,J-1,K)-PP
IF((J+1).LE.JJ) DP4=P(I,J+1,K)-PP
IF((K-1).GT.0) DP5=P(I,J,K-1)-PP
IF((K+1).LE.KK) DP6=P(I,J,K+1)-PP
DAODP = O1(I,J,K)*DP1 + O1(I+1,J,K)*DP2 + O2(I,J,K)*DP3
& +O2(I,J+1,K)*DP4 + O3(I,J,K)*DP5 + O3(I,J,K+1)*DP6
DAWDP = W1(I,J,K)*DP1 + W1(I+1,J,K)*DP2 + W2(I,J,K)*DP3
& +W2(I,J+1,K)*DP4 + W3(I,J,K)*DP5 + W3(I,J,K+1)*DP6
C*** Skip saturation calculations for zero pore volume blocks..........
IF(VPP.EQ.0.0) GO TO 405
IRKK = IROCK(I,J,K)
SW(I,J,K)=((DAWDP+GWWT(I,J,K)-(QW(I,J,K)+EWAQ(I,J,K)))*DELT
& +VP(I,J,K)*SWN(I,J,K)/BW(I,J,K)) * BBW/VPP
SO(I,J,K)=((DAODP+GOWT(I,J,K)-QO(I,J,K))*DELT
& +VP(I,J,K)*SON(I,J,K)/BO(I,J,K)) * BBO/VPP
IF(SO(I,J,K).LE.0.0) SO(I,J,K) = 0.0
IF(SO(I,J,K).GT.(1.E0-SWR(IRKK))) SO(I,J,K) = 1.0 - SWR(IRKK)
SG(I,J,K)=1.0-SO(I,J,K)-SW(I,J,K)
DIFSW = SW(I,J,K) - SWR(IRKK)
IF(SW(I,J,K).LT.SWR(IRKK) .OR. ABS(DIFSW).LE.0.001) THEN
SW(I,J,K) = SWR(IRKK)
SG(I,J,K) = 1.0-SO(I,J,K)-SW(I,J,K)
GO TO 405
ENDIF
IF(SW(I,J,K).GT.1.0) THEN
SW(I,J,K) = 1.0
SG(I,J,K) = 0.0
SO(I,J,K) = 0.0
GO TO 405
ENDIF
IF(SG(I,J,K).LT.0.0) THEN
SG(I,J,K) = 0.0
IF(RKROMX.LE.1.E-06) SW(I,J,K) = 1.0 - SO(I,J,K)
IF(RKROMX.GT.1.E-06) SO(I,J,K) = 1.0 - SW(I,J,K)
ENDIF
405 CONTINUE
SOAV = SOAV + SO(I,J,K) * VPP