| 'S-GRAVENZANDE-03 | 0.00 km | 1,841 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-03-SIDETRACK1 | 0.00 km | 3,458 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-03-SIDETRACK2 | 0.00 km | 3,411 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-02 | 0.00 km | 4,305 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-04 | 0.01 km | 7,119 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-01 | 0.84 km | 3,036 m | TNO / NLOG — Netherlands boreholes |
| 'S-GRAVENZANDE-01-SIDETRACK1 | 0.84 km | 3,415 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-34 | 3.70 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 | 3.81 km | 1,500 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-23-SIDETRACK1 | 3.81 km | 1,825 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-26 | 3.97 km | 1,116 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-26-SIDETRACK1 | 3.97 km | 1,090 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-26-SIDETRACK2 | 3.97 km | 1,850 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-25 | 3.97 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 | 4.08 km | 1,726 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-24-SIDETRACK1 | 4.08 km | 1,835 m | TNO / NLOG — Netherlands boreholes |
| DE LIER-09 | 4.27 km | 1,861 m | TNO / NLOG — Netherlands boreholes |
| MONSTER-02 | 4.69 km | 3,030 m | TNO / NLOG — Netherlands boreholes |
| MONSTER-02-SIDETRACK1 | 4.69 km | 3,034 m | TNO / NLOG — Netherlands boreholes |
| MONSTER-01 | 4.69 km | 2,148 m | TNO / NLOG — Netherlands boreholes |