PROPERTIES OF BLACK OILS - Petroleum Reservoir Fluid Property Correlations - page 128

Nomenclature

Latin
a 1 -a 9 Constants or coefficients in various equations
A Coefficient in equation (3.23d) and also in equation (3.24b)
A 0 -A 4 Constants in equation (3.8d)
API Stock-tank oil gravity, ºAPI
B Coefficient in equation (3.23e)
B 0 -B 4 Constants in equation (3.8e)
B g Gas formation volume factor, res bbl/scf, equation (2.12)
B o Oil formation volume factor, res bbl/STB, equation (3.21b)
B ob Oil formation volume factor at bubblepoint pressure, res bbl/
STB, equation (3.21a)
B oi Oil formation volume factor at initial reservoir pressure, res
bbl/STB
B w Water (brine) formation volume factor, res bbl/STB, equation
(4.36)
c e Effective compressibility, 1/psi, equation (3.11b)
c f Pore volume compressibility, 1/psi
c o Coefficient of isothermal compressibility, 1/psi, equations
(3.9) and (3.16a)
c ofb Weighted-average oil compressibility from bubblepoint
pressure to a higher pressure of interest, 1/psi, page 56
c oi Weighted-average oil compressibility from initial reservoir
pressure to a lower pressure of interest
c w Coefficient of isothermal compressibility of water (brine),
1/psi, equation (4.32)
C Coefficient in equation (3.23b)
C 0 -C 4 Constants in equation (3.8f)
C0 n -C4 n Constants in various equations
k r Permeability in radial direction, md

N Original oil in place, STB