Determine the amount of free gas in the reservoir

Reference no: EM13259316

1. An oil reservoir initially contains 4 MMSTB of oil at its bubble point pressure of 3150 psia with 600 SCF/STB of gas in solution. When the average reservoir pressure has dropped to 2900 psia, the gas in solution is 550 SCF/STB. Boi was 1.34 bbl/STB and Bo at a pressure of 2900 psia is 1.32 bbl/STB. Rp = 600 SCF/STB at 2900 psia. Swc = 0.25. Bg = 0.0011 bbl/SCF at 2900 psia.

(a) How many stock tank barrel of oil will be produced when the pressure has decreased to 2900 psia?

(b) Determine the amount of free gas in the reservoir that exists at 2900 psia.

Reference no: EM13259316

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