(1)	$\begin{array}{l}\displaystyle B_w = (1 + \Delta V_{wp}) \cdot (1 - \Delta V_{wT} )\end{array}$

(2)	$\begin{array}{l}\displaystyle \Delta V_{wp} = -1.0001 \cdot 10^{-2} + 1.33391 \cdot 10 ^{-4} \cdot T + 5.50654 \cdot 10^{-7} \cdot T^2\end{array}$

(3)	$\begin{array}{l}\displaystyle \Delta V_{wT} = -1.95301 \cdot 10^{-9} \cdot p \cdot T - 1.72834 \cdot 10^{-13} \cdot p^2 \cdot T - 3.58922 \cdot 10^{-7} \cdot p - 2.25341 \cdot 10^{-10} \cdot p^2\end{array}$

(4)	$\begin{array}{l}\displaystyle T < 260 \, ^\circ F, \quad p < 5,000 \, psi\end{array}$

Reference

McCain, W.D. Jr.: McCain, W.D. Jr. 1990. The Properties of Petroleum Fluids, second edition. Tulsa, Oklahoma: PennWell Books.
McCain Jr., W.D. 1991. Reservoir-Fluid Property Correlations-State of the Art (includes associated papers 23583 and 23594). SPE Res Eng 6 (2): 266-272. SPE-18571-PA. http://dx.doi.org/10.2118/18571-PA

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