Oil correlations based on Gulf of Mexico oil samples.

Bubble point pressurepbpsia

,


Saturated gas solubility


Rsscf/stbp ≤ pb

,


Saturated oil formation volume factor

Bobbl/stbp ≤ pb


Undersaturated oil formation volume factor

Bobbl/stbp > pb

Undersaturated oil isothermal compressibilitycopsi-1p > pb


Dead oil viscosityμodcpdead



Saturated oil viscosityμocpp ≤ pb

,


Undersaturated oil viscosityμocpp > pb



where

LocationGulf of Mexico

psiaFluid pressure

°FInitial formation temperature

°APIOil API gravity

fracOil specific gravity

fracGas specific gravity

scf/stb

psiaBubble point pressure

bbl/stbFormation volume factor at bubble point pressure pb

cpoil viscosity at bubble point pressure pb


See Also


Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations

References


Petrosky, G.E., and F.F. Farshad. "Pressure-Volume-Temperature Correlations for Gulf of Mexico Crude Oils." Paper presented at the SPE Annual Technical Conference and Exhibition, Houston, Texas, October 1993. doi: https://doi.org/10.2118/26644-MS

Petrosky, G.E., and F.F. Farshad. "Viscosity Correlations for Gulf of Mexico Crude Oils." Paper presented at the SPE Production Operations Symposium, Oklahoma City, Oklahoma, April 1995. doi: https://doi.org/10.2118/29468-MS