MODELLING THE RHEOLOGY AND DETERMINATION OF FLUID LOSS OF DRILLING MUD FORMULATED FROM ORGANOPHYLLIC CLAY DEVELOPED FROM LOCALLY SOURCED NIGERIAN BENTONITIC CLAY. FJS [Internet]. 2023 Apr. 10 [cited 2025 Sep. 17];3(3):177-82. Available from: http://162.254.38.185/index.php/fjs/article/view/1555