The Properties of Petroleum Fluids, second edition. Paper presented at the 1948 SPE Annual Meeting, Dallas, 4–6 October. The Solubility of Natural Gas in Oil-Field Brines. New York: Elsevier Scientific Publishing Co. for Testing and Materials, Part 31-Water, Section VII, Philadelphia. Annual Book of ASTM Standards, American Soc. ↑ Saline and Brackish Waters, Sea Waters and Brines.1 by the brine FVF at the reservoir temperature and pressure of interest. Then, density at reservoir conditions is calculated by dividing the density in Eq. Where density is in lbm/ft 3, and S is salinity in weight percent. The metric units can be changed to customary units (lbm/ft 3) by multiplying by 62.37.Īnother approach to calculating water density is to first calculate the density of formation water at standard conditions with McCain’s correlation. They can be added directly because the metric units are referred to the common density base of water (1 g/cm 3). The density of formation water (g/cm 3) at reservoir conditions is the sum of the values read from Figs.These curves were computed from data given by Ashby and Hawkins. For oil reservoirs below the bubblepoint, the "saturated-with-gas" curves should be used for water considered to have no solution gas, the "no-gas-in-solution" curves should be used. 3 to find the increase in specific gravity (density) when compressed to reservoir pressure. Knowing the density at atmospheric pressure and reservoir temperature, use Fig.
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