PENG, Fangquan. Optimization of Drilling-Fluid Lost-Circulation Control in the Mesozoic Yanchang Formation of Zhengning Oilfield. International Journal of Natural Resources and Environmental Studies, [S. l.], v. 8, n. 3, p. 78–85, 2026. DOI: 10.62051/ijnres.v8n3.07. Disponível em: https://wepub.org/index.php/IJNRES/article/view/6054. Acesso em: 10 jun. 2026.