No. | 24 hours | Activities | NPT Hours | Cumulative NPT |
1 | 0 - 3:30 | POOH and make BHA #2 also 26" | 3.5 | 3.5 |
2 | 3:30 - 4:30 | Ream the well from 21 m to 21 m | 1.0 | 4.5 |
3 | 4:30 - 13:30 | Drill to 26 m | 0 | 4.5 |
4 | 13:30 - 14:15 | %100 loss , spot 50 bbl LCM, circulation back | 0.75 | 5.25 |
5 | 14:15 - 16:00 | Drill to 28 m | 0 | 5.25 |
6 | 16:00 - 18:00 | Again %100 loss, spot 100 bbl, loss continued | 1 | 6.25 |
7 | 18:00 - 19:30 | Make up string stabilizer and 1 × 9"DC, filling section tank with fresh water | 1.5 | 7.75 |
8 | 19:30 - 00:00 | Drill to 42 m with total loss, swept hole with 50 bbls LCM. (Drilling w/300gpm - total losses of 750 bbls mud. Had returns up to 85% off and on during drilling | 0 | 7.75 |