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

Table 2

Map for preparing the drilling fluids.

	Cuttings
Mud label	Concentration	Type
Base mud	Zero	—
5% MC1	5 wt.%	Quartz sandstone
10% MC1	10 wt. %
5% MC2	5 wt.%	Argillaceous sandstone
10% MC2	10 wt.%
5% MC3	5 wt.%	Siliceous claystone
10% MC3	10 wt.%
5% MC4	5 wt.%	Kaolinitic claystone
10% MC4	10 wt.%