Changes

| Cumulative production || <math>N_p = \frac{(q_{\text{i}} - q_t)}{D}</math> || <math> N_{\rm p} = q_{\rm i}^{n}/[(1 - n)D_{\rm i}](q_{\rm i}^{1 - n} - q_{\rm t}^{1-n})</math>

| Cumulative production || <math>N_p = \frac{(q_{\text{i}} - q_t)}{D}</math> || <math> N_{\rm p} = q_{\rm i}^{n}/[(1 - n)D_{\rm i}](q_{\rm i}^{1 - n} - q_{\rm t}^{1-n})</math>

|-

|-

| Life of reservoir || <math>t = \left( \frac{1}{D} \right) \ln \left( \frac{q_{\text{i}}}{q_{ec}} \right)</math> || <math>t = \left( \frac{q_{\rm i}}{q_{\rm ec}} \right) ^{n} -\frac{1}{nD_{\rm i}}</math>

| Life of reservoir || <math>t = \left( \frac{1}{D} \right) \ln \left( \frac{q_{\text{i}}}{q_{ec}} \right)</math> || <math>t = \left( \frac{q_{\rm i}}{q_{\rm ec}} \right)^n -\frac{1}{nD_{\rm i}}</math>

|}

|}