Geofluids / 2019 / Article / Tab 6

Research Article

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

Table 6

Relationship between shear rate and shear stress of OBDF (50°C).

Shear rate (S-1)Shear stress (Pa)
80/2070/3060/4050/5040/6030/70

1021.387.8314.0317.94102.60151.20328.50
510.694.848.7912.2170.40100.80253.60
340.464.096.709.9455.4079.20191.40
170.232.764.727.4540.5058.40153.30
10.2141.152.113.5121.3029.3074.70
5.1071.152.093.3820.5028.0069.50
1.7021.061.752.8016.6022.1057.60
0.8510.961.612.3012.2016.4039.80

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