# Mass of fuel burned per unit bulk reservoir volume combustion - Nelson and McNiel

## Input(s)

\(\phi_{E}\): Effective Porosity (fraction)

\(\emptyset\): Porosity (fraction)

\(m_{E}\): Mass of Fuel Burned per Unit Bulk Volume in the Laboratory Experiment \(\left(\mathrm{lbm} / \mathrm{ft}^{3}\right)\)

## Output(s)

\(m_{R}\): Mass of Fuel Burned per Unit Bulk Reservoir Volume \(\left(\mathrm{lbm} / \mathrm{ft}^{3}\right)\)

## Formula(s)

\[
m_{R}=\left(\frac{1-\emptyset}{1-\emptyset_{E}}\right) * m_{E}
\]

## Reference(s)

Prats, M. 1986. Thermal Recovery. Society of Petroleum Engineers, New York, Chapter: 8, Page: 89.