Unformatted text preview: 2. Gas Compressibilitiy Factors. Work exercise 4-19 using the pressures 4521 through 6500 psi of the data on p. 600. You should use the correlations for the C 7+ fraction given on p. 569 and the Hall-Yarborough method discussed on p. 568. This method will require that you write a spreadsheet macro to solve the HY cubic equation. See the original paper on this or the discussion in Dake's 1978 text. You will need this spreadsheet in later problems. Hand in only a plot of z-factor at the various pressures calculated with HY and the values on p. ....
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- Spring '08
- Thermodynamics, HY, formation volume factors