Table 5:
Estimated tolerance of drilling fluid properties according to the well drilling program.
Mud Weight (gr/cm
3
)
PV
(Plastic Viscosity) (mP.s)
YP
(Yield Point) (Pa)
MF (Marsh Funnel) (S)
Salinity (mg/l)
pH
Gel 10' (Pa)
Gel 10” (Pa)
API F.L. (fluid loss) (ml)
2.08-2.40
45-55
2-53
50-70
320,000
9.5-10.5
8.5-12.7
12.7-17
0-2