Transient rate and productivity index before boundary effects appear.
3 functions
PO.IPR.VW.TF.Rate
Calculates transient-state production flow rate, [bbl/d].
PO.IPR.VW.TF.Rate.ByVogel
Calculates Vogel inflow performance for transient-state flow, [bbl/d].
PO.IPR.VW.TF.PI
Calculates transient state productivity index for vertical well, [bbl/(psi.d)].
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