Ros critical-flow coefficients for rate, wellhead pressure and bean size.
3 functions
PO.SF.CH.Ros.Rate
Liquid flow rate using Ros (1960) critical flow correlation, [bbl/d].
PO.SF.CH.Ros.Pwh
Wellhead pressure using Ros (1960) critical flow correlation, [psi].
PO.SF.CH.Ros.Size
Choke diameter using Ros (1960) critical flow correlation, [in].
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