Table 5: Results of sealing ability evaluation of removable plugging slurry KJD200.

Leakage
medium
Pressure time
(min)
Room temperature 180 °C 200 °C
Pressure
(MPa)
Leakage
(mL)
Pressure
(MPa)
Leakage
(mL)
Pressure
(MPa)
Leakage
(mL)
1mm
Crack block
3 0 0 0 0 0 0
3 0.5 0 0.5 0 0.5 0
3 1 0 1 0 1 0.8
3 2 0 2 0 2 1
3 3 0 3 0 3 0.6
3 4 0 4 0 4 1.2
3 5 0 5 0 5 0.8
2mm
Crack block
3 0 0 0 0 0 0
3 0.5 1 0.5 1 0.5 2.2
3 1 0.6 1 0.4 1 1.6
3 2 0.8 2 0.2 2 2
3 3 1 3 0.6 3 1.6
3 4 0.4 4 0.4 4 1.4
3 5 1 5 0.2 5 1
3mm
Crack block
3 0 0 0 0 0 0
3 0.5 0 0.5 1 0.5 1.6
3 1 0.4 1 0.4 1 2
3 2 0.4 2 0.2 2 0.8
3 3 0 3 0.6 3 1
3 4 0.2 4 0.2 4 2
3 5 0.6 5 0.2 5 1
4mm
Crack block
3 0 0 0 0 0 0
3 0.5 0.6 0.5 0.8 0.5 1.8
3 1 0.8 1 1 1 1.2
3 2 1 2 0.6 2 0.8
3 3 1.2 3 0.2 3 1
3 4 1.2 4 0.4 4 1.8
3 5 1 5 0 5 1.2