PO.SF.CH.AshfordPierce.Pwh.SI


Description

Wellhead pressure using Ashford-Pierce (1975) model, [kPa]. Iterative solution for target rate (SI units).

Formula

=LAMBDA(Ql, d_choke, GLR, LET( Ql_bbld, PO.UnitConverter(Ql, "m3/d", "bbl/d"), d_choke_in, PO.UnitConverter(d_choke, "cm", "in"), GLR_scfbbl, PO.UnitConverter(GLR, "sm3/m3", "scf/bbl"), result_psi, PO.SF.CH.AshfordPierce.Pwh(Ql_bbld, d_choke_in, GLR_scfbbl), PO.UnitConverter(result_psi, "psi", "kPa")))

Parameters

Parameter Unit Description
Ql m3/d Liquid rate, [m3/d]
d_choke cm Choke diameter, [cm]
GLR sm3/m3 Gas-liquid ratio, [sm3/m3]

Examples

Invocation Expected
=PO.SF.CH.AshfordPierce.Pwh.SI(159, 6.35, 178) 344.7379

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