Drilling Hydraulics
Bit Hydraulics
Annular Velocity
Flow Rate (GPM)
For a range, use format: min - max (e.g., 800 - 1100)
Mud Density
SG
PPG
Bit Size (inches)
Input Method
Nozzle Configuration
Direct TFA Input
Nozzle Configuration
Add Nozzle
Total Flow Area (in²)
Calculate
Pressure Loss
PSI
HSI
HSI
Impact Force
lbs
Total Flow Area
in²
Flow Rate (GPM)
For a range, use format: min - max.
Annular Geometries
Add Geometry Section
Calculate Annular Velocities
Developed by
Alastair Punler
- Sept 2025
