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| LaTeX Math Block |
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| q(t)=q_0 \cdot \exp \left[ -D_0{\infty} \cdot \left( t+ a \cdot t^{-n}\right) \right] |
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| LaTeX Math Block |
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| D(t) = D_0{\infty} \cdot ( 1 + a\cdot (1-n) \cdot t^{-n} ) |
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| Initial production rate of a well (or groups of wells) |
| LaTeX Math Inline |
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| body | --uriencoded--D_%7B\infty%7D > 0 |
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| the trend apex value of Production Decrement at infinite time |
| model parameter characterizing deceleration of production decline |
| model parameter characterizing characterizing deceleration of production decline |
| LaTeX Math Inline |
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| body | --uriencoded--\displaystyle D(t) =- \frac%7Bdq%7D%7BdQ%7D |
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| Production Decrement (the higher the the stronger is decline) |
| LaTeX Math Inline |
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| body | --uriencoded--\displaystyle Q(t)=\int_0%5et q(t) dt |
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| cumulative production |
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DCA Power Law decline is an empirical correlation for production from both finite-reserves | LaTeX Math Inline |
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| body | --uriencoded--Q_%7B\rm max%7D \leq \infty |
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or infinite-reserves | LaTeX Math Inline |
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| body | --uriencoded--Q_%7B\rm max%7D = \infty |
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reservoir.
The original form of DCA Power Law decline was developed as correction of Arps for tight gas and shales
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