Ekeahenhen Thaddeus A. and Ezeugwu Innocent O. (2026) “HYDROCARBON CHARACTERIZATION OF ANUWA FIELD, OFFSHORE DEPOBELT, NIGER DELTA BASIN”, International Journal of Earth & Environmental Sciences (IJEES), 11(1), pp. 9–25. doi: 10.58885/ijees.v11i1.09.eta.