--==================================================================== -- Example of the use of the GASWAT option -- -- Three producers extract gas under a quality control -- CO2 and water are injected: the CO2 eventually lowers the gas -- quality so that the required quality cannot be met. --==================================================================== RUNSPEC METRIC --Select option using GASWAT GASWAT AIM COMPS 4 / EOS PR / DIMENS 10 10 11 / TABDIMS 1 1 40 40 / UNIFOUT --Grid section-------------------------------------------------------- GRID INIT EQUALS DX 100 / DY 100 / DZ 20 / PORO 0.1 / PERMX 100 / PERMY 100 / PERMZ 10 / TOPS 890 4* 1 1 / / --Properties section----------------------------------------------- PROPS --Calorific values in Kj/KgMole CALVAL 10 20 0.0 0.0 / EOS PR / --H2O as last component CNAMES C1 C2 CO2 H2O / TCRIT 190.6 305.4 304.2 647.3 / PCRIT 46.0 48.8 73.8 221.2 / ZCRIT 0.229 0.229 0.229 0.288 / --Z-factors for viscosity adjected to get correct water viscosity value ZCRITVIS 4*0.215 / ACF 0.0108 0.0998 0.2273 0.3434 / MW 16 30 44 18 / --Composition varies wrt depth; liquid is defined at GOC COMPVD 900 0.47 0.47 0.04 0.02 0 0 --Gas composition above contact 1006 0.37 0.37 0.24 0.02 0 0 --Gas composition at contact 1007 0.0001 0.0001 0.0002 0.9996 1 0 --Water composition below contact 1100 0.0001 0.0001 0.0002 0.9996 1 0 --Water composition below contact / DENAQA / VISCAQA / RTEMP 40 / BIC 0.1 0.1 0.0360 0.4850 0.4920 0.1896 / GSF 0.0 0.00 0.0 0.1 0.00 0.0 0.2 0.05 0.0 0.4 0.10 0.0 0.6 0.40 0.0 0.8 0.60 0.0 --0.99 0.70 0.0 / WSF --0.01 0.0 0.20 0.00 0.40 0.01 0.60 0.20 0.80 0.80 1.00 1.00 / ROCK 250 0.00005 / --Solution section------------------------------------------------------ SOLUTION --Salt concentration varies with depth RPTSOL PRESSURE SWAT SGAS DENG DENW VWAT XMF YMF AMF / --Vapour specified - pressure not reset to saturation pressure EQUIL -- 10 11 1005 250 1005 0 5* 2 1 / RPTRST PRESSURE SWAT SGAS DENG DENW AMF XMF YMF/ SUMMARY ---============================== --Well energy production rate and total ALL WEPR / WEPT / --Well gas quality WGQ P1 / --Group energy production rate and total GEPR FIELD / GEPT FIELD / --Group gas quality GGQ FIELD / --Field energy production rate and total FEPR FEPT --Field gas quality FGQ BDENW 7 8 1 / 7 8 2 / 7 8 3 / 7 8 4 / 7 8 5 / 7 8 6 / 7 8 7 / 7 8 8 / 7 8 9 / 7 8 10 / / BVWAT 7 8 1 / 7 8 2 / 7 8 3 / 7 8 4 / 7 8 5 / 7 8 6 / 7 8 7 / 7 8 8 / 7 8 9 / 7 8 10 / / RUNSUM --SCHEDULE section------------------------------------------------- SCHEDULE RPTRST PRESSURE SWAT SGAS DENG DENW AMF XMF YMF/ OUTSOL SWAT SGAS XMF YMF AMF / RPTSCHED SWAT SGAS AMF / --Define injection and production wells --2000a WELLSPEC is used for back-compatibility, prefered keyword is WELSPECS --WELLSPEC --P1 FIELD 2 2 / --P2 FIELD 5 5 / --P3 FIELD 6 6 / --IG FIELD 1 1 / --IW FIELD 8 8 / WELSPECS P1 FIELD 2 2 1* GAS / P2 FIELD 5 5 1* GAS / P3 FIELD 6 6 1* GAS / IG FIELD 1 1 1* GAS / IW FIELD 8 8 1* WATER / / --Define completions --2000a WELLCOMP is for back-compatibility, prefered keyword is COMPDAT --WELLCOMP --P1 2 2 1 2 / --P2 5 5 3 4 / --P3 6 6 1 2 / --IG 1 1 1 1 / --IW 8 8 6 6 / COMPDAT P1 2 2 1 2 / P2 5 5 3 4 / P3 6 6 1 2 / IG 1 1 1 1 / IW 8 8 6 6 / / --Three producers with individual limits --2000a WELLPROD is for back-compatibility, prefered keyword is WCONPROD --WELLPROD --P1 Ga 1* 1* 10000 / --P2 Ga 1* 1* 10000 / --P3 Ga 1* 1* 100 / WCONPROD P1 OPEN GRAT 1* 1* 10000 2* 10.0 / P2 OPEN GRAT 1* 1* 10000 2* 10.0 / P3 OPEN GRAT 1* 1* 100 2* 10.0 / / --Define water and gas injection streams (gas stream is pure CO2) WELLSTRE -- C1 C2 CO2 H2O InjW 0.0 0.0 0.0 1.0 / InjG 0.0 0.0 1.0 0.0 / / --Set water and gas injection rates WINJGAS IW STREAM InjW / IG STREAM InjG / / --2000a WELLINJE is for back-compatibility, prefered keyword is WCONINJE --WELLINJE --IW St InjW Wa 1* 50 / --IG St InjG Ga 2* 8000 / WCONINJE IW WATER OPEN RATE 50 1* 300.0 / IG GAS OPEN RATE 8000 1* 300.0 / / --Set group production target --2000a GRUPPROD is for back-compatibility, prefered keyword is GCONPROD --GRUPPROD --Field GA 1* 1* 7500 / GCONPROD Field GRAT 1* 1* 7500 / / --Set group gas quality target GQUALITY FIELD 13.5 / / --8 years of simulation TSTEP 7*365 / TSTEP 365 / END