Table 3: Results obtained from the laboratory experiment.

PARAMETERS WATER BASED DRILLING FLUID SAMPLES (25 °C)
MUD MUD + KCl salt MUD + CaCl2 salt MUD + MgCl2 salt
% Concentration of Salt
0.0 0.2 0.4 0.7 1.0 1.4 0.2 0.4 0.7 1.0 1.4 0.2 0.4 0.7 1.0 1.4
Ɵ600 RPM 24 28 26 24 23 21 14 10 9 9 8 14 10 10 9 9
Ɵ300 RPM 17 20 19 17 16 15 10 7 6 6 5 9 7 7 6 6
Ɵ6 RPM 11 12 13 11 10 9 5 3 2 2 2 5 2 1 1 1
Ɵ3 RPM 10 11 9 9 8 8 4 3 2 2 1 4 2 1 1 1
PV (mPa.s) 7 8 7 7 7 6 4 3 3 3 3 5 3 3 3 3
AV (mPa.s) 12 14 13 12 11.5 10.5 7 5 4.5 4.5 4 7 5 5 4.5 4.5
YP (lb/100ft2) 10 12 12 10 9 9 6 4 3 3 2 4 4 4 3 3

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