The general form of objective function for production targets optimisation is given by:
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where
years | assessment period | days | day within a given year | – | ||||
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volume/day | oil production rate for | cash/volume | cash/volume | oil selling price | ||||
volume/day | gas production rate for | cash/volume | cash/volume | gas selling price | ||||
volume/day | water production rate for | cash/volume | counts | number of producers at | ||||
volume/day | liquid production rate for | cash/volume | cost of fluid lift from reservoir to the | |||||
volume/day | water supply/disposal rate | cash/volume | cost of water supply | cash/volume | cost of water disposal | |||
volume/day | gas supply/disposal rate | cash/volume | cost of gas supply | cash/volume | cost of gas disposal | |||
volume/day | water injection rate for | cash/volume | cost of water injection, including treatment, transportation and pumping into | counts | number of water injectors at | |||
volume/day | gas injection rate for | cash/volume | cost of gas injection, including purchase, treatment, transportation and pumping into | number of gas injectors at |
The objective function can be rewritten in terms of Surface flowrates
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where
Watercut in | |
Gas-Oil Ratio in |
The objective function
where
Depending on Lift mechanism the rates in equation
Producing wells may spontaneously vary between Constant rate production: qL = const and Constant pressure production: pwf = const (see Constant rate production: qL = const for alternation details). |
Petroleum Industry / Upstream / Production / Field Development Plan
Subsurface Production / Well & Reservoir Management / [ Production Targets ]
Subsurface E&P Disciplines / Production Technology
[ Constant rate production: qL = const ] [ Constant pressure production: pwf = const ]