Difference between revisions of "Farshad Oil Compressibility correlation"
From wiki.pengtools.com
| Line 2: | Line 2: | ||
=== Brief === | === Brief === | ||
| + | [[Farshad correlation]] is the default correlation for oil compressibility in the PVT calculator. | ||
=== Math & Physics === | === Math & Physics === | ||
| Line 23: | Line 24: | ||
=== Nomenclature === | === Nomenclature === | ||
:<math> A_1..A_{8} </math> = coefficients | :<math> A_1..A_{8} </math> = coefficients | ||
| + | :<math>C_o </math> = oil compressibility, psia<sup>-1</sup> | ||
:<math> P </math> = pressure, psia | :<math> P </math> = pressure, psia | ||
:<math> R_s </math> = oil gas ration, m3/m3 | :<math> R_s </math> = oil gas ration, m3/m3 | ||
Revision as of 12:06, 22 September 2020
Brief
Farshad correlation is the default correlation for oil compressibility in the PVT calculator.
Math & Physics
A1 = 0.1982
A2 = 0.6685
A3 = –0.21435
A4 = 1.0116
A5 = -0.1616
A6 = –5.4531
A7 = –5.03 * 1e-4
A8 = 3.5 * 1e-8
where:
Discussion
Application range
Nomenclature
= coefficients
= oil compressibility, psia-1
= pressure, psia
= oil gas ration, m3/m3
= gas specific gravity, dimensionless
= temperature, °R
= oil API gravity, dimensionless
References
- ↑ Frashad, F.; LeBlanc, J.L.; Garber, J.D. (1996). "Empirical PVT Correlations For Colombian Crude Oils"
. SPE Latin America/Caribbean Petroleum Engineering Conference, 23-26 April, Port-of-Spain, Trinidad. Society of Petroleum Engineers (SPE-36105-MS).
