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→Production history analysis
| Rate of production || <math>q_t = q_{\text{i}}e^{-Dt}</math> || <math> q_{t} = q_{\rm i}(1 + nD_{\rm i}t)^{-1/n}</math>
| Rate of production || <math>q_t = q_{\text{i}}e^{-Dt}</math> || <math> q_{t} = q_{\rm i}(1 + nD_{\rm i}t)^{-1/n}</math>
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| Cumulative production || ''N<sub>p</sub>'' = ( ''q''<sub>i</sub> – ''q<sub>t</sub>'' )/ ''D'' ||
| 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>
<math> N_{\rm p} = q_{\rm i}^{n}/[(1 - n)D_{\rm i}](q_{\rm i}^{1 - n} - q_{\rm t}^{1-n})</math>
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| Life of reservoir || ''t'' = (1/ ''D'' )ln( ''q''<sub>i</sub> / ''q''<sub>ec</sub> ) || <math>t = [(q_{\rm i}/q_{\rm ec})^{n} - 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 = [(q_{\rm i}/q_{\rm ec})^{n} - 1/nD_{\rm i}</math>
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