Igili, C.; Okonkwo, J.; Ogbimi, E.; Chinyem, F.; Enebrayekedou, E. EVALUATION OF THE EFFECTIVENESS OF LOCAL CLAY FOR USE AS WATER-BASED DRILLING MUD (A CASE STUDY OF AMAI IN UKWUANI L.G.A, DELTA STATE). FJS 2026, 10 (8), 221-226. https://doi.org/10.33003/.