Rodríguez L, Viviescas G. Dense suspensions formulations for upgrading processes in heavy and extra heavy crude oil. CT&F Cienc. Tecnol. Futuro [Internet]. 2011 May 24 [cited 2024 Apr. 20];4(3):61-72. Available from: https://ctyf.journal.ecopetrol.com.co/index.php/ctyf/article/view/239