Pressure required to brake circulation

Pressure required overcoming the mud's gel strength inside the drill string
10 min gel strength of mud
ID of drill pipe
Length of drill string
Pressure required to brake circulation inside drill string
psi
Pressure required overcoming the mud's gel strength in the annulus
10 min gel strength of mud
OD of drill pipe
Hole Diameter
Length of drill string
Pressure required to brake circulation inside drill string
psi