| 'S-GRAVENZANDE-04 | 0,00 km | 7 119 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-03 | 0,01 km | 1 841 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-03-SIDETRACK1 | 0,01 km | 3 458 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-03-SIDETRACK2 | 0,01 km | 3 411 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-02 | 0,01 km | 4 305 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-01 | 0,83 km | 3 036 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-01-SIDETRACK1 | 0,83 km | 3 415 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-34 | 3,71 km | 1 850 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-43 | 3,71 km | 1 862 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-44 | 3,71 km | 1 813 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-20 | 3,77 km | 1 820 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-23 | 3,82 km | 1 500 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-23-SIDETRACK1 | 3,82 km | 1 825 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-26 | 3,98 km | 1 116 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-26-SIDETRACK1 | 3,98 km | 1 090 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-26-SIDETRACK2 | 3,98 km | 1 850 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-25 | 3,98 km | 1 840 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-27 | 3,98 km | 1 880 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-28 | 3,98 km | 1 873 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-24 | 4,07 km | 1 726 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-24-SIDETRACK1 | 4,07 km | 1 835 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-09 | 4,28 km | 1 861 m | TNO / NLOG — Netherlands boreholes |
| MONSTER-02 | 4,68 km | 3 030 m | TNO / NLOG — Netherlands boreholes |
| MONSTER-02-SIDETRACK1 | 4,68 km | 3 034 m | TNO / NLOG — Netherlands boreholes |
| MONSTER-01 | 4,68 km | 2 148 m | TNO / NLOG — Netherlands boreholes |