Mohamed Mohey Mohamed Mostafa creator Mostafa Hussein Kamel Supervisor ua Cairo Mohamed Mohey Mohamed Mostafa 2006 eng Eng 125P : charts ; 30cm Effective porosity in clean and shaly formations is evaluated based on a newly introduced formulation of the from : that requires sonic data and provides superior accuracy over other commonly used formulae based on various porosity tools Mohamed Mohey Mohamed Mostafa ; Supervised Mostafa H.Kamel Thesis (PH.D.) - Cairo University - Faculty Of Science - Department Of Geophysics Issued also as CD Comressiona lwave Effective Formulation http://172.23.153.220/th.pdf http://172.23.153.220/th.pdf EG-GICUC 070324 20250223032613.0 eng