Saavedra N, Mamorra D. Water shutoff in horizontal wells using gel technology. CT&F Cienc. Tecnol. Futuro [Internet]. 1997 Dec. 31 [cited 2025 Jul. 26];1(3):67-79. Available from: https://ctyf.journal.ecopetrol.com.co/index.php/ctyf/article/view/588