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q^{\uparrow}q_{WS}(t) = \sum_{i=1}^{N^{\downarrow}_W} q^{\downarrow}_{W, i}(t) - \sum_{k=1}^{N^{\uparrow}_P} q^{\uparrow}_{W, k}(t)
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| years | assessment period | | days | day within a given year | | – | discount rate |
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body | --uriencoded--q%5e%7B\uparrow%7D_%7BO, k%7D(t) |
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| volume/day | oil production rate for -th producer | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\uparrow%7D_%7BO,k%7D(t) |
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| cash/volume | cost of produced oil treatment and transportation from -th wellhead to CMS | | cash/volume | oil selling price |
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body | --uriencoded--q%5e%7B\uparrow%7D_%7BG, k%7D(t) |
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| volume/day | gas production rate for -th producer | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\uparrow%7D_%7BG,k%7D(t) |
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| cash/volume | cost of produced gas treatment and transportation from -th wellhead to CMS | | cash/volume | gas selling price |
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body | --uriencoded--q%5e%7B\uparrow%7D_%7BW, k%7D(t) |
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| volume/day | water production rate for -th producer | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\uparrow%7D_%7BW,k%7D(t) |
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| cash/volume | cost of produced water treatment and transportation from -th wellhead to CMS | LaTeX Math Inline |
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body | --uriencoded--N%5e%7B\uparrow%7D_P(t) |
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| counts | |
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body | --uriencoded--q%5e%7B\uparrow%7D_%7BL, k%7D(t) |
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| volume/day | liquid production rate for -th producer | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\uparrow%7D_%7BL, k%7D(t) |
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| cash/volume | cost of fluid lift from reservoir to the -th wellhead, cash/volume | |
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LaTeX Math Inline |
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body | --uriencoded--q_%7BWS%7D(t) |
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| volume/day | water supply/disposal rate | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\uparrow%7D_%7BWS%7D(t) |
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| cash/volume | cost of water supply | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\downarrow%7D_%7BWS%7D(t) |
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| cash/volume | cost of water disposal |
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body | --uriencoded--q%5e%7B\uparrow%7Dq_%7BGS%7D(t) |
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| volume/day | gas supply ratesupply/disposal rate | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\uparrow%7D_%7BGS%7D(t) |
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| cash/volume | cost of gas supply | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\downarrow%7D_%7BGS%7D(t) |
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| cash/volume | cost of gas disposal |
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LaTeX Math Inline |
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body | --uriencoded--q%5e%7B\downarrow%7D_%7BW, i%7D(t) |
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| volume/day | water injection rate for -th water injector | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\downarrow%7D_%7BW,i%7D(t) |
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| cash/volume | cost of water injection, including treatment, transportation and pumping into -th well | LaTeX Math Inline |
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body | --uriencoded--N%5e%7B\downarrow%7D_W(t) |
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| counts | number of water injectors at |
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body | --uriencoded--q%5e%7B\downarrow%7D_%7BG, i%7D(t) |
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| volume/day | gas injection rate for -th gas injector | LaTeX Math Inline |
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body | --uriencoded--C%5e%7B\downarrow%7D_%7BG,j%7D(t) |
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| cash/volume | cost of gas injection, including purchase, treatment, transportation and pumping into -th well | LaTeX Math Inline |
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body | --uriencoded--N%5e%7B\downarrow%7D_G(t) |
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| counts
| number of gas injectors at |
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...
The objective function
LaTeX Math Block Reference |
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can be rewritten in terms of
Surface flowrates LaTeX Math Inline |
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body | \{ q^{\uparrow}_L, q^{\downarrow}_W, q^{\downarrow}_G \} |
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:
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| G_t = \sum_{p=1}^{N^{\uparrow}_P} C^{\uparrow}_{OGW}(t) \cdot q^{\uparrow}_{L, p}(t)
- \sum_{i=1}^{N^{\downarrow}_W} C^{\downarrow}_{W,i} \cdot q^{\downarrow}_{W, i}(t)
- \sum_{j=1}^{N^{\downarrow}_G} C^{\downarrow}_{G,j} \cdot q^{\downarrow}_{G, j}(t)
- C^{\uparrow}_{WS,k} \cdot q^{\uparrow}_{WS}(t)
-C^{\uparrow}_{GS} \cdot q^{\uparrow}_{GS}(t) |
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| C^{\uparrow}_{OGW}(t) = \left[ (R_O(t) - C^{\uparrow}_{O,p}) + (R_G(t) - C^{\uparrow}_{G,p}) \cdot Y_{g,p}(t) \right] \cdot (1- Y_{w,p}(t))
- C^{\uparrow}_{L,p} - C^{\uparrow}_{W,p} \cdot Y_{w,p}(t)
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q^{\uparrow}q_{WS}(t) = \sum_{i=1}^{N^{\downarrow}_W} q^{\downarrow}_{W, i}(t) - \sum_{k=1}^{N^{\uparrow}_P} q^{\uparrow}_{W, k}(t)
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| C_{WS}(t)= \begin{cases}
C^{\uparrow}_{WS}(t), & \mbox{if } q_{WS}(t) > 0
\\
C^{\downarrow}_{WS}(t), & \mbox{if } q_{WS}(t) > 0
\end{cases}
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LaTeX Math Block |
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| q_{GS}(t) = \sum_{j=1}^{N^{\downarrow}_G} q^{\downarrow}_{G, j}(t) - \sum_{k=1}^{N^{\uparrow}_P} q^{\uparrow}_{G, k}(t)
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LaTeX Math Block |
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| C_{GS}(t)= \begin{cases}
C^{\uparrow}_{GS}(t), & \mbox{if } q_{GS}(t) > 0
\\
C^{\downarrow}_{GS}(t), & \mbox{if } q_{GS}(t) > 0
\end{cases}
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where
LaTeX Math Inline |
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body | --uriencoded--Y_%7Bw,k%7D(t) = q_%7BW,k%7D / q_%7BL,k%7D |
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body | --uriencoded--Y_%7Bg,k%7D(t) = q_%7BG,k%7D / q_%7BO,k%7D |
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...