Critical-Flow Chokes Functions
Pilehvari, Achong, Ros, Baxendell and Gilbert critical multiphase choke correlations.
15 functions
PO.SF.CH.Pilehvari.Rate(Pwh, d_choke, GLR)
Liquid flow rate using Pilehvari (1980) critical flow correlation, [bbl/d]. Based on U. of Tulsa experimental data.
PO.SF.CH.Pilehvari.Pwh(Ql, d_choke, GLR)
Wellhead pressure using Pilehvari (1980) critical flow correlation, [psia].
PO.SF.CH.Pilehvari.Size(Pwh, Ql, GLR)
Choke diameter using Pilehvari (1980) critical flow correlation, [inches].
PO.SF.CH.Achong.Rate(Pwh, d_choke, GLR)
Liquid flow rate using Achong (1961) critical flow correlation, [bbl/d]. Modified Gilbert for Lake Maracaibo conditions.
PO.SF.CH.Achong.Pwh(Ql, d_choke, GLR)
Wellhead pressure using Achong (1961) critical flow correlation, [psia].
PO.SF.CH.Achong.Size(Pwh, Ql, GLR)
Choke diameter using Achong (1961) critical flow correlation, [inches].
PO.SF.CH.Ros.Rate(Pwh, d_choke, GLR)
Liquid flow rate using Ros (1960) critical flow correlation, [bbl/d].
PO.SF.CH.Ros.Pwh(Ql, d_choke, GLR)
Wellhead pressure using Ros (1960) critical flow correlation, [psia].
PO.SF.CH.Ros.Size(Pwh, Ql, GLR)
Choke diameter using Ros (1960) critical flow correlation, [inches].
PO.SF.CH.Baxendell.Rate(Pwh, d_choke, GLR)
Liquid flow rate using Baxendell (1957) critical flow correlation, [bbl/d]. Developed from Lake Maracaibo field data.
PO.SF.CH.Baxendell.Pwh(Ql, d_choke, GLR)
Wellhead pressure using Baxendell (1957) critical flow correlation, [psia].
PO.SF.CH.Baxendell.Size(Pwh, Ql, GLR)
Choke diameter using Baxendell (1957) critical flow correlation, [inches].
PO.SF.CH.Gilbert.Rate(Pwh, d_choke, GLR)
Liquid flow rate using Gilbert (1954) critical flow correlation, [bbl/d]. Widely used for oil wells with gas.
PO.SF.CH.Gilbert.Pwh(Ql, d_choke, GLR)
Wellhead pressure using Gilbert (1954) critical flow correlation, [psia]. Calculates required pressure for target rate.
PO.SF.CH.Gilbert.Size(Pwh, Ql, GLR)
Choke diameter using Gilbert (1954) critical flow correlation, [inches]. Calculates required choke size for target rate.