(1)	$\begin{array}{l}\displaystyle \mu_w(T, p) = \mu_{w0}(T, p) \cdot \mu_r(T, m)\end{array}$

(2)	$\begin{array}{l}\displaystyle \ln \mu_{w0}(T, p) = \sum_{n = 1}^5 \, d_n \cdot T^{n-3} + \rho_w(T, p) \cdot \sum_{n = 6}^{10} \, d_n \, T^{n-8}\end{array}$

(3)	$\begin{array}{l}\displaystyle \ln \mu_r(T, m) = A \cdot m + B \cdot m^2 + C \cdot m^3\end{array}$

(4)	$\begin{array}{l}\displaystyle m = \frac{1,000 \cdot S}{M_{\mbox{NaCl}} \cdot (1-S)}\end{array}$

(5)	$\begin{array}{l}\displaystyle A = a_0 + a_1 \, T + a_2 \, T^2\end{array}$

(6)	$\begin{array}{l}\displaystyle B = b_0 + b_1 \, T + b_2 \, T^2\end{array}$

(7)	$\begin{array}{l}\displaystyle C = c_0 + c_1 \, T\end{array}$

where

$\begin{array}{l}\mu_w\end{array}$	Dynamic viscosity, cp at temperature $\begin{array}{l}T\end{array}$ and pressure $\begin{array}{l}p\end{array}$
$\begin{array}{l}\mu_{w1}\end{array}$	Dynamic viscosity, cp at temperature $\begin{array}{l}T\end{array}$ and atmospheric pressure $\begin{array}{l}p = 1 \, \rm atm\end{array}$
$\begin{array}{l}T\end{array}$	Temperature, °F
$\begin{array}{l}p\end{array}$	Pressure, psi
$\begin{array}{l}S\end{array}$	Water salinity

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