| Pressure of Annulus E | Maximum recommended pressure > x > 0.7 MPa | 0 | 3 | 0 |
| Service life of well | 10 - 15 Years | 5 | 1 | 5 |
| Gas well condition | Producing | 2 | 2 | 4 |
| Formation pressure | 105 MPa > x ≥ 70 MPa | / | / | 3 |
| Production | 100 × 104 m3/day > x ≥ 50 × 104 m3/day | / | / | 3 |
| Recovery after pressure relief annulus E | > 24 Hours | 0 | 5 | 0 |
| Recovery after pressure relief annulus E | 24 Hours ≥ X > 60 Minutes | 1 | 5 | 5 |
| Recovery after pressure relief annulus E | 24 Hours ≥ X > 60 Minutes | 1 | 5 | 5 |
| Is there gas in Annulus A | Reservoir gas | 3 | 3 | 9 |
| Is there gas in Annulus B | Reservoir gas | 3 | 4 | 12 |
| Is there gas in Annulus C | Reservoir gas | 3 | 4 | 12 |
| Sum | 74 | |||