# Cumulative interest on operational expenses during the lifetime of a well

## Input(s)

a: Interest Rate $(\%)$

L: Operational Expenses ($/day)

$t$: Operating Time (days)

## Output(s)

$R_{c}$: Cumulative Interest on Operation Expenses during the Lifetime of a Well ($)

## Formula(s)

$\mathrm{R}_{\mathrm{c}}=\frac{\mathrm{a} \cdot \mathrm{L} \cdot \mathrm{t}^{2}}{2}$## Reference(s)

Saydam, T., (1967). Principles of Hydraulic Fracturing, ARI Publishing Co., Page: 86.