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LaTeX Math Block
anchorOF
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G = \sum_t{y=1}^{N_y} \frac{GSG_ty}{{1+r^tr}^y} \rightarrow \rm max


LaTeX Math Block
anchorAWASG
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SG_y = \sum_t G_t


LaTeX Math Block
anchorZUICY
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G_t =  \sum_{k=1}^{N^{\uparrow}_P} \left[ R_O(t) \cdot q^{\uparrow}_{O, k}(t) + R_G(t) \cdot  q^{\uparrow}_{G, k}(t) \right] 
- \sum_{k=1}^{N^{\uparrow}_P} C^{\uparrow}_{L,k} \cdot q^{\uparrow}_{L, k}(t)
- \sum_{k=1}^{N^{\uparrow}_P} C^{\uparrow}_{O,k} \cdot q^{\uparrow}_{O, k} (t)
- \sum_{k=1}^{N^{\uparrow}_P} C^{\uparrow}_{G,k} \cdot q^{\uparrow}_{G, k} (t)
- \sum_{k=1}^{N^{\uparrow}_P} C^{\uparrow}_{W,k} \cdot q^{\uparrow}_{W, k}(t)
- \sum_{i=1}^{N^{\downarrow}_W} C^{\downarrow}_{W,j} \cdot q^{\downarrow}_{W, i}(t)
- \sum_{j=1}^{N^{\downarrow}_G} C^{\downarrow}_{G,j} \cdot q^{\downarrow}_{G, j}(t)

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

volume/day

oil production rate for 

LaTeX Math Inline
bodyk
-th producer

LaTeX Math Inline
bodyC^{\uparrow}_{O,k}

cash/volume

cost of produced oil treatment and transportation from 

LaTeX Math Inline
bodyk
-th wellhead to CMS

LaTeX Math Inline
bodyR_O(t)

cash/volumeoil selling price

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

volume/day

gas production rate for 

LaTeX Math Inline
bodyk
-th producer

LaTeX Math Inline
bodyC^{\uparrow}_{G,k}

cash/volume

cost of produced gas treatment and transportation from 

LaTeX Math Inline
bodyk
-th wellhead to CMS

LaTeX Math Inline
bodyR_G(t)

cash/volumegas selling price

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

volume/day

water production rate for 

LaTeX Math Inline
bodyk
-th producer

LaTeX Math Inline
bodyC^{\uparrow}_{W,k}

cash/volume

cost of produced water treatment and transportation from 

LaTeX Math Inline
bodyk
-th wellhead to CMS

LaTeX Math Inline
bodyN^{\uparrow}_P

counts

number of producers at 

LaTeX Math Inline
bodyt

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

volume/day

liquid production rate for 

LaTeX Math Inline
bodyk
-th producer

LaTeX Math Inline
bodyC^{\uparrow}_{L, k}

cash/volume

cost of fluid lift from reservoir to the 

LaTeX Math Inline
bodyk
-th wellhead, cash/volume

LaTeX Math Inline
bodyN^{\downarrow}_W

counts

number of water injectors at 

LaTeX Math Inline
bodyt

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

volume/day

water injection rate for 

LaTeX Math Inline
bodyi
-th water injector

LaTeX Math Inline
bodyC^{\downarrow}_{W,i}

cash/volume

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

LaTeX Math Inline
bodyi
-th well

LaTeX Math Inline
bodyN^{\downarrow}_G

counts

number of gas injectors at 

LaTeX Math Inline
bodyt

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

volume/day

gas injection rate for 

LaTeX Math Inline
bodyi
-th gas injector

LaTeX Math Inline
bodyC^{\downarrow}_{G,j}

cash/volume

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

LaTeX Math Inline
bodyi
-th well

LaTeX Math Inline
bodyN_y

LaTeX Math Inline
bodyt

LaTeX Math Inline
bodyr

years

days

frac

number of years

time 

discount rate



The objective function  

LaTeX Math Block Reference
anchorOF
can be rewritten in terms of Surface flowrates 
LaTeX Math Inline
body\{ q^{\uparrow}_L, q^{\downarrow}_W, q^{\downarrow}_G \}
:

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