Barite sag continues to be a recurring, potentially serious problem on many directional wells. It could lead to a variety of major drilling problems, including lost circulation, well-control difficulties, poor cement jobs, and stuck pipe. The term “barite sag” is used because barite is the traditional weight material used in drilling fluids to increase the density. Nowadays, there are barite substitutes like: Micromax (manganese tetraoxide), Hematite, Calcium carbonate, Ilmenite (iron titanium oxide) among others. However, Barite is the most widely used weight material it offers high density with wide availability, favorable economics, and it is environmentally friendly