1. Crook, R.J., Keller, S.R., Haut, R.C., and Kaulakofsky, D.S. “Deviated-Wellbore Cementing: Part -1 Problems.” Journal of Petroleum Technology, August ( 1987), 955–960.
2. Crook, R.J., Keller and Wilson, M.A. “Deviated-Wellbore Cementing: Part 2-Solutions.” Journal of Petroleum Technology, August (1987), 961–966.
3. Cement Properties Adversely Affected by Drilling Mud Contamination;Al-Marhoun,1991
4. Casing and Cementing;Jeanette,1982
5. Evaluation of Saudi Cements in Oil Well Drilling;Dahab;Ciments Betones Plateres Chaux, France,1988