| D12-08 | 0.00 km | 5,297 m | TNO / NLOG — Netherlands boreholes |
| D12-08-S1 | 0.00 km | 5,940 m | TNO / NLOG — Netherlands boreholes |
| D12-B-02 | 0.00 km | 5,700 m | TNO / NLOG — Netherlands boreholes |
| D12-B-01 | 0.01 km | 6,048 m | TNO / NLOG — Netherlands boreholes |
| D12-01 | 2.66 km | 1,778 m | TNO / NLOG — Netherlands boreholes |
| 44/19a- 8 | 3.62 km | 4,233 m | NSTA — UK offshore wellbore top holes |
| 44/19- 4 | 5.21 km | 3,781 m | NSTA — UK offshore wellbore top holes |
| 44/19a- 5 | 7.35 km | 3,852 m | NSTA — UK offshore wellbore top holes |
| D12-A-02 | 7.71 km | 4,178 m | TNO / NLOG — Netherlands boreholes |
| D12-A-02-SIDETRACK1 | 7.71 km | 5,109 m | TNO / NLOG — Netherlands boreholes |
| D12-A-02-SIDETRACK2 | 7.71 km | 5,050 m | TNO / NLOG — Netherlands boreholes |
| D12-07 | 7.71 km | 5,317 m | TNO / NLOG — Netherlands boreholes |
| D12-06 | 7.71 km | 4,452 m | TNO / NLOG — Netherlands boreholes |
| D12-A-03 | 7.72 km | 5,099 m | TNO / NLOG — Netherlands boreholes |
| D12-A-03-SIDETRACK1 | 7.72 km | 5,255 m | TNO / NLOG — Netherlands boreholes |
| 44/19b- 7 | 9.92 km | 191 m | NSTA — UK offshore wellbore top holes |
| D12-04 | 9.92 km | 387 m | TNO / NLOG — Netherlands boreholes |
| D12-04-SIDETRACK1 | 9.92 km | 3,886 m | TNO / NLOG — Netherlands boreholes |
| 44/19b- 7A | 9.93 km | 4,785 m | NSTA — UK offshore wellbore top holes |
| D12-05 | 10.19 km | 3,272 m | TNO / NLOG — Netherlands boreholes |
| D12-05-SIDETRACK1 | 10.19 km | 3,780 m | TNO / NLOG — Netherlands boreholes |
| 44/19b-K1 | 10.20 km | 4,983 m | NSTA — UK offshore wellbore top holes |
| 44/19b-K1Z | 10.20 km | 4,944 m | NSTA — UK offshore wellbore top holes |
| D15-01 | 10.75 km | 1,451 m | TNO / NLOG — Netherlands boreholes |
| D15-01-SIDETRACK1 | 10.75 km | 2,298 m | TNO / NLOG — Netherlands boreholes |