TITLE "JK1 GAS CONDENSATE SIMPLE CHARACTERIZATION USING C11+" -- Define a fluid characterization corresponding to the -- measured compositions, to simplify their input. CHAR LAB-INPUT EOS SRK NAME MW H2S N2 CO2 C1 C2 C3 I-C4 N-C4 NEO-C5 ISO-C5 N-C5 22DM-C4 C-C5 23DM-C4 2M-C5 3M-C5 C6* 86 N-C6 MC-C5 Benzene C-C6 2M-C6 3M-C6 224TM-C5 C7* 99 N-C7 MC-C6 Toluene C8* 110 N-C8 E-Benzene M-Xylene O-Xylene C9* 126 N-C9 C10* 141 N-C10 C11+ 240 END -- Because lab actually measures mass fractions, these should be input to PVT program. -- If mass fractions not reported, then mole fractions can be input together with MWs -- to calculate mass fractions. Once calcualted, you can "conserve" them. CONSERVE MASS MIX WELLSTREAM MOLES 0.000 0.393 1.776 68.250 7.024 6.625 1.418 2.319 0.014 0.842 0.842 0.022 0.017 0.104 0.276 0.164 0.000 0.385 0.294 0.062 0.416 0.111 0.110 0.000 0.287 0.294 0.689 0.233 0.657 0.260 0.033 0.207 0.042 0.510 0.188 0.578 0.160 4.397 END -- Define lumping rules for single carbon numbers 6 through 10. -- These rules will be used for composition conversions. LUMP C6 22DM-C4, C-C5, 23DM-C4, 2M-C5, 3M-C5, C6*, N-C6 LUMP C7 MC-C5, Benzene, C-C6, 2M-C6, 3M-C6, 224TM-C5, C7*, N-C7 LUMP C8 MC-C6, Toluene, C8*, N-C8 LUMP C9 E-Benzene, M-Xylene, O-Xylene, C9*, N-C9 LUMP C10 C10*, N-C10 LUMP I-C5 NEO-C5, ISO-C5 -- Soreide correlation used to generate relation between specific gravity and MW of -- undefined hydrocarbons (C7, C8, ..., CN+). -- Command below prints the Soreide equation and default parameters (changeable). SOREIDE NOTE: "SETUP SINGLE CARBON NUMBER (SCN) EOS MODEL" NOTE: "Use GAMMA model to get MWS for characterization, also C31+" GAMMA SPLIT C11 SHAPE 1 ; exponential BOUND 143 ; (14*11-4)-7 (or use LMW of C11) AVERAGE 240.3 ; use lab C11+ MW (or best-fit C11+ MW) END MIX FEED WELLSTREAM ; used for averageing of lumped properties. CHAR EOSSCN BASE LAB-INPUT EOS SRK NAME LMW MW TC(R) PC(PSIA) AF VSHIFT SG TB(R) N2 CO2 C1 C2 C3 I-C4 N-C4 I-C5 N-C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31+ END BINARY N2 CO2 CO2 0.000 C1 0.020 0.120 C2 0.060 0.150 REPLACE BINARY OF N2 WITH C3 TO C31+ BY 0.08 REPLACE BINARY OF CO2 WITH C3 TO C31+ BY 0.15 GAMMA SPLIT C11+ C11 END -- Convert the previously specified, measured compositions, to the current, -- "EOSSCN" characterization (splitting the C11+ fraction to SCN fractions): MIX WELLSTREAM-SCN WELLSTREAM 1 MOLE ; MIX FEED WELLSTREAM-SCN 1 MOLE PRES PSIA TEMP 263 F PSAT ; calculate saturation pressure at 263 F for Wellstream-SCN