Fluid Reference Thickness of ceramic disk mm Thickness of ceramic disk + mud cake mm Thickness of filter cake mm Thickness of filter cake 1/32 in
Sample 1 6.35 11.075 4.725 3.75
Sample 2 6.35 10.150 3.800 3.02
Sample 3 6.35 9.480 3.130 .49
Sample 4 6.35 9.470 3.120 .48
Sample 5 6.35 9.450 3.100 .46
Sample 6 6.35 9.38 3.03 .41
Sample 7 6.35 8.95 .60 .06
Table 3: thickness of Filter Cake hc (different concentration of XC-Polymer).