Open Access

Table 3

Basic data of a well in the South China Sea.

Parameter Value Parameter Value
Formation depth, m 6000 Inner diameter of drill pipe, m 0.11
Seawater depth, m 1600 Outer diameter of drill pipe, m 0.17
Casing diameter, m 0.4 Drill size, m 0.33
Ocean surface temperature, °C 20 Density of seawater, kg/m3 1020
Geothermal gradient, °C/100 m 4.3 Circulation, h 7
Drilling fluid density ρ0, kg/m3 1296

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