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q^{\uparrow}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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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}

where

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bodyN_y

yearsassessment period

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bodyt

daysday within a given year

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bodyr

discount rate

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body--uriencoded--q%5e%7B\uparrow%7D_%7BO, k%7D(t)

volume/dayyearsassessment period

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bodyt

daysday within a given year

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bodyr

discount rate

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body--uriencoded--q%5e%7B\uparrow%7D_%7BO, k%7D(t)

volume/day

oil production rate for 

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bodyk
-th producer

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body--uriencoded--C%5e%7B\uparrow%7D_%7BO,k%7D(t)

cash/volume

cost of produced oil treatment and transportation from 

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bodyk
-th wellhead to CMS

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bodyR_O(t)

cash/volumeoil selling price

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body--uriencoded--q%5e%7B\uparrow%7D_%7BG, k%7D(t)

volume/day

gas production rate for 

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bodyk
-th producer

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body--uriencoded--C%5e%7B\uparrow%7D_%7BG,k%7D(t)

cash/volume

cost of produced gas treatment and transportation from 

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bodyk
-th wellhead to CMS

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bodyR_G(t)

cash/volumegas selling price

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body--uriencoded--q%5e%7B\uparrow%7D_%7BW, k%7D(t)

volume/day

water production rate for 

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bodyk
-th producer

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body--uriencoded--C%5e%7B\uparrow%7D_%7BW,k%7D(t)

cash/volume

cost of produced water treatment and transportation from 

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bodyk
-th wellhead to CMS

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body--uriencoded--N%5e%7B\uparrow%7D_P(t)

counts

number of producers at 

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bodyt

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body--uriencoded--q%5e%7B\uparrow%7D_%7BL, k%7D(t)

volume/day

liquid production rate for 

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bodyk
-th producer

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body--uriencoded--C%5e%7B\uparrow%7D_%7BL, k%7D(t)

cash/volume

cost of fluid lift from reservoir to the 

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bodyk
-th wellhead, cash/volume




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body--uriencoded--q_%7BWS%7D(t)

volume/day

water supply/disposal rate

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body--uriencoded--C%5e%7B\uparrow%7D_%7BWS%7D(t)

cash/volumecost of water supply

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body--uriencoded--C%5e%7B\downarrow%7D_%7BWS%7D(t)

cash/volumecost of water disposal

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body--uriencoded--q%5e%7B\uparrow%7D_%7BGS%7D(t)

volume/daygas supply rate

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body--uriencoded--C%5e%7B\uparrow%7D_%7BGS%7D(t)

cash/volumecost of gas supply

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body--uriencoded--C%5e%7B\uparrow%7Ddownarrow%7D_%7BGS%7D(t)

cash/volumecost of gas supplygas disposal

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body--uriencoded--q%5e%7B\downarrow%7D_%7BW, i%7D(t)

volume/day

water injection rate for 

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bodyi
-th water injector

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body--uriencoded--C%5e%7B\downarrow%7D_%7BW,i%7D(t)

cash/volume

cost of water injection, including treatment, transportation and pumping into 

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bodyi
-th well

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body--uriencoded--N%5e%7B\downarrow%7D_W(t)

counts

number of water injectors at 

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bodyt

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body--uriencoded--q%5e%7B\downarrow%7D_%7BG, i%7D(t)

volume/day

gas injection rate for 

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bodyi
-th gas injector

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body--uriencoded--C%5e%7B\downarrow%7D_%7BG,j%7D(t)

cash/volume

cost of gas injection, including purchase, treatment, transportation and pumping into 

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bodyi
-th well

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body--uriencoded--N%5e%7B\downarrow%7D_G(t)


counts


number of gas injectors at 

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bodyt

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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) (R_G(t)\right]  \cdot (1- Y_{w,p}(t)) 
- C^{\uparrow}_{L,p} - C^{\uparrow}_{GW,p}) \cdot  Y_{gw,p}(t) \right]  \cdot (1- Y_{w,p


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q^{\uparrow}_{WS}(t) = \sum_{i=1}^{N^{\downarrow}_W}  q^{\downarrow}_{W, i}(t)) 
- C^\sum_{k=1}^{N^{\uparrow}_{L,pP} - C^q^{\uparrow}_{W,p} \cdot Y_{w,p k}(t) 


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q^{\uparrow}C_{WS}(t) = \sum_{i=1}^{N^{\downarrow}_W} C^{\downarrow}_{W,j} \cdot q^begin{cases} 
C^{\uparrow}_{WS}(t), & \mbox{if } q_{WS}(t) > 0 
\\ 
C^{\downarrow}_{W, iWS}(t), -& \sum_{k=1}^{N^{\uparrow}_P} C^{\uparrow}_{W,k} \cdot q^{\uparrow}_{W, k}(t)mbox{if } q_{WS}(t) > 0 
\end{cases}


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anchor9LA0SO313E
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q^{\uparrow}q_{WSGS}(t) = \sum_{ij=1}^{N^{\downarrow}_WG}  q^{\downarrow}_{WG, ij}(t) - \sum_{k=1}^{N^{\uparrow}_P} q^{\uparrow}_{WG, k}(t) > 0


LaTeX Math Block
anchorK9WJWMODAD
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q^{\uparrow}C_{GS}(t)= \begin{cases} 
C^{\uparrow}_{GS}(t), & \mbox{if } q_{GS}(t)  >  =0 \sum_{j=1}^{N^{\downarrow}_G}  q^
\\ 
C^{\downarrow}_{G, jGS}(t), -& \sum_{k=1}^{N^{\uparrow}_P} q^{\uparrow}_{G, kmbox{if } q_{GS}(t)  >  0 
\end{cases}

where

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body--uriencoded--Y_%7Bw,k%7D(t) = q_%7BW,k%7D / q_%7BL,k%7D

Watercut in 

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bodyk
-th well

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body--uriencoded--Y_%7Bg,k%7D(t) = q_%7BG,k%7D / q_%7BO,k%7D

Gas-Oil Ratio in 

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bodyk
-th well

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