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The scheduled production rate and injection rate.

In Part of Field Development Planning (FDP) related to planning the field-average or individual production and injection targets, the  FDP Production Targets set the schedule for full-field production rate and injection rate.

In Well & Reservoir Management (WRM) the WRM Production Targets set the schedule for the individual Production Well Targets and Injection Well Targets, in order to achieve the FDP Production Targetsbased on the current reservoir recovery schedule.


The production rates may be set directly via pump settings or calculated from based on THP and of  and formation pressure 

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(which is a usual case in injection wells):

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q^{\uparrow}_t = J_t \cdot ( p_e} - p_{wf} )
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G^q^{\downarrow}_w{WI} = J_w{WI} \cdot ( p_{wf} - p_e )
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G^q^{\downarrow}_g{GI} = J_g{GI} \cdot ( p_{wf} - p_e )


Producing wells may spontaneously vary between Constant rate production: qL = const and Constant pressure production: pwf pwf = const (see Constant rate production: qL = const for alternation details).

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Subsurface Production / Well & Reservoir Management / [ Production Targets Optimisation @model ]

Subsurface E&P Disciplines / Production Technology 

Constant rate production: qL = const ] [ Constant pressure production: pwf = const ] 

 Production Targets Optimisation @model ]