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| Initial production rate of a well (or groups of wells) |
| D_0 > 0 | |
| model parameter characterizing production decline |
| model parameter characterizing production decline |
LaTeX Math Inline |
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body | --uriencoded--\displaystyle D(t) =- \frac%7Bdq%7D%7BdQ%7D |
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| Production decline rate |
LaTeX Math Inline |
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body | --uriencoded--\displaystyle Q(t)=\int_0%5et q(t) dt |
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| cumulative production |
LaTeX Math Inline |
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body | --uriencoded--%7B\rm ANN%7D(Q) |
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| artificial neural-network regression of Production decline rate on cumulative production |
DCA ANNDCA 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.
Alternative form
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reservoirs.
:
LaTeX Math Block |
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q(t)=q_0 \cdot \exp \left( -D_{\infty}t- \left( t/\tau \right)^{n} \right) |
where
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decline decrement at long times (the higher the
the stronger is decline)See Also
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Petroleum Industry / Upstream / Production / Subsurface Production / Field Study & Modelling / Production Analysis / Decline Curve Analysis
[ DCA Arps @model ] [ Production decline rate ]
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