Ecotoxicity of Degreaser and Drilling Fluid Used in the Upstream Sector of Nigeria Petroleum Industry on Freshwater Higher Organism (Tilapia guineensis) and Microorganism (Nitrobacter sp.). Nigerian Journal of Oil and Gas Technology, [S. l.], v. 3, n. 1, p. 257–270, 2025. Disponível em: https://rsustnjogat.org/ojs/index.php/home/article/view/91. Acesso em: 13 nov. 2026.