Density - Velocity Relationship and Prediction of Lithology Variation Using Physical Analysis in Kf-4 Well of The Kifl Oil Field, Yamama Formation, South of Iraq. Iraqi Journal of Science [Internet]. 2021 Oct. 30 [cited 2024 Dec. 18];62(10):3601-1. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3622