1. Well Control Problems and Solutions;Neal,1980
2. Drilling and Drilling Fluids;Chilingarian,1983
3. Cannon, G.E. “Changes in Hydrostatic Pressure Due to Withdrawing Drillpipe from the Hole.” In: API Drilling and Production Practices, 1934.
4. Goins, W.C., Jr., Weichert, J.P., Burba, J.L., Jr., Dawson, D.D., Jr. and Teplitz, A.J. “Down the Hole Pressure Surges and their Effect on Loss of Circulation.” In: API Drilling and Production Practices, 1951.
5. Cardwell, W.T., Jr. “Pressure Changes Caused by Pipe Movement.” In: API Drilling and Production Practices, 1953.