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. 2020 Sep 29;5(40):25984–25992. doi: 10.1021/acsomega.0c03436

Table 4. Measured Properties of the Final Drill-In Fluid Formulation.

mud property Unit measured value method/instrument of measurement
density lbm/gal (ppg) 10 mud balance
viscosity s/quart 46 Marsh funnel
yield point lbf/100 ft2 23 Fann viscometer
plastic viscosity Cps 18 Fann viscometer
10 s gel strength lb/f100 sq ft 4 Fann viscometer
10 min gel strength lbf/100 sq ft 15 Fann viscometer
filter loss cm3/30 min/100 psi 5 API Filter Press