This is the 3rd part of well control formulas.

Annulus Capacity Factor (ACF),bbl/ft

Final Circulating Pressure (FCP), psi
Surface To Bit Strokes, strokes

Circulating Time, mins

Capacity Factor (CF), bbl/ft
Opened End Pipe Displacement, bbl/ft
Closed end pipe displacement, bbl/ft
Ref book: Formulas and Calculations for Drilling, Production and Workover, Second Edition
Well Control Books



GOOD EXPLANATION ON CLOSED END DISPLACEMENT AND OPEN END DISPLACEMENT
I like to know all type of calculations about well control