Zisopol, D. G., M. Minescu, M. Badicioiu, and M. M. Caltaru. 2021. “Theoretical and Experimental Investigations on 20 Inches Threaded Casing Connections Failure under Field Conditions”. Engineering, Technology & Applied Science Research 11 (4). Greece:7464-68. https://doi.org/10.48084/etasr.4318.