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. 2020 Feb 24;5(8):4313–4321. doi: 10.1021/acsomega.9b04268

Table 2. Physical Properties of Crude Oil and Pipeline Conditions.

properties of crude oil  
viscosity (at 20 °C) cP 97
density (at 20 °C) kg/m3 983
API 13
pour point (°C) 48.8
pipeline and flow conditions  
material mild steel
pipe inner diameter (in.) 101.6
pipe outer diameter (in.) 127
thickness (m) 0.0762
thermal conductivity (W/mK) 0.035
ambient environment water
velocity of water 0.1 m/s