Formula 4.1

Acid penetration distance (acidizing)

Input(s)

$\bar{w}$: Average Fracture Width (ft)

$L_{a D}$: Dimensionless Acid Penetration Distance (dimensionless)

$N_{R e}$: Reynolds Number (dimensionless)

$N_{R e^{*}}$: Reynolds Number for Fluid Loss (dimensionless)

Output(s)

$x L$: Acid Penetration Distance $(\mathrm{ft})$

Formula(s)

$$ x L=\frac{\bar{w} L_{a D}}{2}\left(\frac{N_{r e}}{N_{R e^{*}}}\right) $$

Reference(s)

Williams, B. B., Gidley, J. L., \& Schechter, R. S. (1979). Acidizing fundamentals. Henry L. Doherty Memorial Fund of AIME, Society of Petroleum Engineers of AIME, Page: 62.