An Empirical Correlation for Estimation of Formation Volume Factor of Gas Condensate Reservoirs at Separator Conditions
Journal: Petroleum & Petrochemical Engineering Journal (Vol.2, No. 2)Publication Date: 2018-02-06
Authors : El - hoshoudy AN; Desouky SM;
Page : 1-9
Keywords : Gas condensate reservoirs; Oil formation volume factor (FVF); Statistical regression analysis; Flash liberation and empirical correlation;
Abstract
Gas condensate reservoirs represent half of hydrocarbon sources in different geological strata, so prediction of their physical properties are of great importance on the scale of petroleum industry. These hydrocarbons are not stable even at stock tank cond itions as oil shrinkage continued due to vaporization of light components, consequently estimation of oil formation volume factor at separator conditions represents a critical property for these reservoirs. Experimental PVT analysis including flash liberat ion at separator conditions are carried out on gas condensate samples covering a great range of PVT properties. An empirical correlation is developed to estimate oil formation volume factor (B o ) at separator pressure and temperature using statistical regre ssion analysis. Assessment and validation of the developed correlation were carried out by statistical and graphical error analysis in comparison to published correlations.
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