PGE 312_Spring10_Solution_HW7

PGE - 1 PGE 312 – Physical and Chemical Behavior of Fluids Homework 7 – Solutions Problem 8-2 Exercise 8-1 Given γ o = 0.875 Solution The API

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Unformatted text preview: 1 PGE 312 – Physical and Chemical Behavior of Fluids Homework 7 – Solutions Problem 8-2 Exercise 8-1 Given: γ o = 0.875 Solution: The API gravity is given by equation 8-2 o API = 141.5 − 131.5 Substituting for γ o gives o API = 141.5 0.875 − 131.5 = 30.21 o API Problem 8-4 Given: API Gravity = 47.3 o API Solution: The API gravity is given by equation 8-2 o API = 141.5 − 131.5 Therefore, ? = 141.5 47.3+131.5 = 0.7914 The specific gravity of the stock tank liquid is 0.7914 Problem 8-7 Volume of oil at reservoir conditions = 227.0 cc Volume of oil in the stock tank = 167.4 cc Separator produced gas = 0.537 scf 2 Stock tank produced gas = 0.059 scf Formation volume factor B o = ?¡???¢ ¡? ¡? ?£ ¤¢¥¢¤?¡¤ ¦¡§¨£¡§¥ ?¡???¢ ¡? ¡? ¢§£¢¤§? ¥£¡¦© £?§© ?£ ¥£¨ . ¦¡§¨£¡§¥ Therefore, B o = 227.0 ¦¦ 167.4 ¦¦ = 1.356 ¤¢¥ ªª? «¬ Solution gas-oil ratio is the quantity of gas that evolves from oil as the oil is transported from reservoir to surface conditions per unit volume of stock tank oil. The total volume of gas evolved is 0.537+0.059 = 0.596scf. R s = 0.596 ¥¦? 167.4 ¦¦ ∗ 6.2898 ∗ 10 − 6 «¬ ¦¦ = 566.1 ­®¯ °± Problem 8-9 Volume of oil at reservoir conditions = 86.3 res bbl/d Volume of oil in stock tank = 57.9 STB/d Total volume of gas at evolved at surface = 43150+7240 = 50390 scf/d Formation volume factor, B o = ?¡???¢ ¡? ¡? ?£?...
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This note was uploaded on 01/30/2011 for the course PGE 312 taught by Professor Peters during the Fall '08 term at University of Texas at Austin.

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PGE - 1 PGE 312 – Physical and Chemical Behavior of Fluids Homework 7 – Solutions Problem 8-2 Exercise 8-1 Given γ o = 0.875 Solution The API

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