Analysis project | Sample No | Permeability damage rate % | Degree of damage | Empirical conclusion |
Speed sensitivity | 1-013F | 118.8 | strong | Critical velocity: 0.1 mL/min |
2-007F | 569.31 | strong | Critical velocity: 0.1 mL/min | |
3-023F | 60.6 | Medium to strong | Critical velocity: 0.1 mL/min | |
Water sensitivity | 1-013H | 77.97 | strong | Critical salinity: 2500 mg/L |
2-007H | 63.47 | Medium to strong | Critical salinity: 1600 mg/L | |
3-023H | 74.47 | strong | Critical salinity: 1500 mg/L | |
Acid sensitivity | 1-013D | 22.93 | weak | / |
2-007D | 19.61 | weak | / | |
3-023D | 21.32 | weak | / | |
Alkali sensitivity | 1-013E | 71.2 | strong | Critical pH: 8.5 |
2-007E | 54.6 | Medium to strong | Critical pH: 11 | |
3-023E | 39.78 | Moderately weak | Critical pH: 10 | |
Stress sensitivity | 1-013C | 91.7 | strong | / |
2-007C | 73.2 | strong | / | |
3-023I | 52.8 | Medium to strong | / |