Table 3.

Drilling fluid basic compositions.

Mud components	Content	Mixing order	Mixing during (min)	Function
Distill water, (mL)	350	1	-	Base fluid
Bentonite, (g)	25	2	5	Viscosifier
Barite, (g)	10	3	5	Densifier
Soda ash, (g)	0.25	4	2	pH control
CMC, (g)	2, 4, 6, 8	5a	5	Fluid loss control additive
Brachystegia eurycoma	5, 10, 15, 20	5b	5	Fluid loss control additive
Detarium microcarpum	5, 10, 15, 20	5c	5	Fluid loss control additive
Rice Husk	5, 10, 15, 20	5d	5	Fluid loss control additive