Geofluids / 2019 / Article / Tab 5

Research Article

Damage Mechanism of Oil-Based Drilling Fluid Flow in Seepage Channels for Fractured Tight Sandstone Gas Reservoirs

Table 5

Rheological test of oil base drilling fluid in its original state.

Shear rate (S-1)Viscosity (mPa·s)
40°C50°C60°C70°C80°C90°C

1021.3838.8736.7232.5128.8825.7523.20
510.6947.9745.4339.1633.8830.5527.41
340.4660.8057.5750.2343.1837.8931.13
170.2382.2477.5467.5657.5751.7041.71
10.214597.23538.49509.12421.00381.84323.09
5.1071507.761076.97979.07861.58783.25685.35
1.7023289.662995.942643.482408.502173.531879.81
0.8516344.355991.885051.984464.544112.083642.12

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