HW_8_Solution

# HW_8_Solution - PGE 312 Homework Solution No 8 Problem 10-4...

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PGE 312 – Homework Solution No 8 Problem 10-4 Gas-oil ratio at separator and stock tank conditions: 6 Volume of gas removed from separator Volume of separator liquid 0.51383 scf 541.592 scf/bbl 150.833 cc 6.29 10 bbl/cc Volume of gas removed from stock tank Volume of stock tank liquid sep sep ST GOR GOR GOR - = = = × × = 6 0.15186 scf 176.754 scf/bbl 136.5913 cc 6.29 10 bbl/cc ST GOR - = = × × Gas-oil ratio at standard conditions and stock tank liquid: 6 6 0.51383 scf 602.251 scf/bbl 135.641 cc 6.29 10 bbl/cc 0.15186 scf 177.993 scf/bbl 135.641 cc 6.29 10 bbl/cc sep ST GOR GOR - - = = × × = = × × Formation volume factor of oil: Volume of liquid expelled from cell Volume of liquid arriving in stock tank 201.156 1.483 res bbl/STB 135.641 oSb oSb B B = = = Formation volume factors (FVF) for separator and stock-tank oil: 150.833 Separator FVF= 1.112 bbl/STB 135.641 136.591 Stock tank FVF= 1.007 bbl/STB 135.641 = = API Gravity: o 141.5 141.5 API= 131.5 131.5 40.432 API 0.823 γ ° ° - = - = P, psig T, o F GOR (1) GOR (2) API Bo Sep Vol Factor Specific Gravity 200 75 541.6 602.3 1.112 0.732 0 75 176.8 178.0 40.432 1.483 1.007 1.329

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Problem 10-6 1. 1.483 bbl/STB 2. Shut-in (72 hours) 3. 0.0032 4. 40.7 API 5. 35.1 API 6. 1,236 Btu/scf 7. 218 lb/lb mol 8. 13.48 x 10 -6 psi -1 9. 75 F 10. 0.0135 cP
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