1. Equations help calculate surge and swab pressures in inclined well;Bing;Oil Gas J.,1995
2. Wellbore pressure surges produced by pipe movement;Burkhardt;J. Petrol. Technol.,1961
3. Changes in Hydrostatic Pressure Due to Withdrawing Drillpipe from the Hole;Cannon,1934
4. Pressure Changes in Drilling Wells Caused by Pipe Movement;Cardwell,1953