Using Ultrasonic Technique to Measure Some Petrophysical Properties of Yamama Formation at Ratawi-7 Oil Well Core Samples, Southern Iraq. Iraqi Journal of Science [Internet]. 2023 Nov. 24 [cited 2024 Dec. 20];55(2B):768-79. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11800