DHAYEA, B. A. .; ALMAHDAWI, F. H. M. .; AL-SHAIBANI, S. I. M. . Using of surface back pressure with water based mud in managed pressure drilling technique to solve lost circulation problem in Southern Iraqi Oil Fields. Journal of Petroleum Research and Studies, [S. l.], v. 11, n. 3, p. 28-47, 2021. DOI: 10.52716/jprs.v11i3.531. Disponível em: https://jprs.gov.iq/index.php/jprs/article/view/531. Acesso em: 8 dec. 2021.