Okoro, ChumaEkeng, EffangaOhwo, SylvesterNwinyi, Obinna Chukwuemeka2026-03-132026https://doi.org/10.1007/s10532-025-10224-3https://repository.covenantuniversity.edu.ng/handle/123456789/50673enHydrocarbon degrading bacteria · Biodegradation · Methanogens · Low sulphate environment · MEOR · PseudomonasAnaerobic biodegradation and activities of methanogens, acetogens, sulphate and nitrate reducing bacteria in aged oil wells from low sulphate oil producing environmentArticle