Table 3 Different drill bits are drilled into the well section.
Order | Bit model | Bit diameter (mm) | Start depth (m) | End depth (m) | Footage (m) | Drill time (h) |
|---|---|---|---|---|---|---|
1 | 16" HT2565B | 406.4 | 0.0 | 1506.4 | 1506.4 | 77:30 |
2 | 9 1/2" TS1952 | 241.3 | 1506.4 | 3244.0 | 1736.6 | 83:15 |
3 | 9 1/2" FX55DI | 241.3 | 3244.0 | 3660.0 | 416.0 | 62:00 |
4 | 9 1/2" TS1952 | 241.3 | 3660.0 | 5023.0 | 1363.0 | 161:00 |
5 | 9 1/2" SF55H3 | 241.3 | 5023.0 | 5404.0 | 381.0 | 125:00 |
6 | 9 1/2" U513M | 241.3 | 5404.0 | 6672.0 | 1268.0 | 210:00 |
7 | 9 1/2"FX55SX | 241.3 | 6672.0 | 6970.0 | 298.0 | 61:30 |
8 | 9 1/2" HJ517G | 241.3 | 6970.0 | 7001.0 | 31.0 | 29:00 |
9 | 9 1/2" M1665 | 241.3 | 7001.0 | 7162.0 | 161.0 | 79:30 |
10 | 9 1/2" SF55H3 | 241.3 | 7162.0 | 7176.0 | 14.0 | 19:00 |
