Open Access

Table 1

Basic parameters of Well Tiandong #5.

Parameter Value Unit
Initial gas flux 0.054 m3/s
Drilling fluid density 1.3 g/cm3
H2S content 10%
Surface temperature 10 °C
Well depth 3570 m
Drilling speed 0.05 m/s
Reservoir permeability 27 mD
Reservoir thickness 1.9 m
Plastic viscosity of drilling fluid 0.027 Pa s
Yield value of drilling fluid 1.2 Pa
Mud displacement 24 L/s
Geothermal gradient 0.026 °C/m

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