Impact of Quartz/Argillaceous Sandstone and Siliceous/Kaolinitic Claystone Contamination of Drilling Fluid and Filter Cake Properties

Table 1

Base mud formulation.

Component (unit)	Value
Water (ml)	245
Defoamer (g)	0.08
Soda ash (g)	0.5
XC-polymer (g)	0.5
Starch (g)	6
Bentonite (g)	4
Potassium hydroxide (g)	0.5
PAC-R (g)	1
Potassium chloride (g)	20
Calcium carbonate (g)	5
Barite (g)	250