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| LaTeX Math Block |
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| q = q_1 + q_2 |
| | LaTeX Math Block |
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| p_{wf} = p_e - q/J |
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| LaTeX Math Block |
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| J = J_1 + J_2 |
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| LaTeX Math Block |
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| p_e = \frac{J_1 \cdot p_1 + J_2 \cdot p_2}{J_1 + J_2} |
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where
| total subsurface flowrate of the well |
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| total well productivity Index |
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| apparanet formation pressure of dual-layer formation |
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| total subsurface flowrate of the Layer #1 |
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|
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2 | formation pressure of the Layer #1 |
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| productivity Index of the Layer #1 |
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| total subsurface flowrate of the Layer #2 |
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| formation pressure of the Layer #2 |
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| productivity Index of the Layer #2 |
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The above equations are valid for both producers and injectors.
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