Chapter 2

Properties of Petroleum Fluids


Properties of crude oil, natural gas, and produced water are fundamental for designing and analyzing oil and gas production systems in petroleum engineering. This chapter presents definitions and properties of crude oil, natural gas, and produced water. Oil properties include solution gas–oil ratio (GOR), density, formation volume factor, viscosity, and compressibility. Oil properties are interrelated through solution GOR. Gas properties include gas-specific gravity, gas pseudo-critical pressure and temperature, gas viscosity, gas compressibility factor, gas density, gas formation volume factor, and gas compressibility. The first two are composition dependent. The latter four are pressure dependent. ...

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