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| Jädivere borehole | Estonia | 58.7006, 24.4270 | | 0 | 0 | 3 | 3 | |
| Jauni 875 borehole | Estonia | 58.4413, 22.2329 | 50.8 | 0 | 0 | 0 | 0 | |
| Jõgeveste 277 borehole | Estonia | 58.0106, 26.3455 | 65.3 | 2 | 0 | 5 | 23 | |
| Jõhvi F-1 borehole | Estonia | 59.3794, 27.5016 | 443 | 6 | 17 | 18 | 140 | |
| Jõhvi 2 borehole | Estonia | 59.3799, 27.5014 | 721.14 | 6 | 0 | 270 | 270 | |
| Jõhvi 1 borehole | Estonia | 59.3794, 27.5017 | 505.03 | 7 | 1 | 259 | 295 | |
| Jõhvi borehole | Estonia | 59.3611, 27.4339 | | 0 | 2 | 0 | 0 | |
| Yashcera 8A borehole | Russia | | | 0 | 0 | 0 | 0 | |
| Jõgisoo F-237 borehole | Estonia | 59.2836, 24.5274 | 304.1 | 9 | 2 | 25 | 26 | |
| Jõgeva H-7 borehole | Estonia | | 200 | 7 | 29 | 1 | 0 | |
| Jõgeva H-507 borehole | Estonia | 58.7396, 26.3930 | 270.2 | 3 | 6 | 13 | 4 | |
| Jõgeva H-501-I borehole | Estonia | | 198 | 1 | 3 | 3 | 7 | |
| Jõgeva 1 borehole | Estonia | | 100.55 | 8 | 47 | 114 | 161 | |
| Jõesuu F-106 borehole | Estonia | 59.4753, 25.1523 | 202.2 | 4 | 16 | 36 | 35 | |
| Muhu 940 borehole | Estonia | 58.6723, 23.2163 | 23 | 1 | 4 | 2 | 0 | |
| Jursi 930 borehole | Estonia | 58.3907, 22.8193 | 39.9 | 0 | 0 | 0 | 0 | |
| Jõhve 303 borehole | Estonia | 58.4350, 24.8715 | | 3 | 35 | 147 | 115 | |
| Asuka 678 borehole | Estonia | 58.5826, 22.4919 | 109.8 | 0 | 0 | 0 | 0 | |
| Kadila F-252 borehole | Estonia | 59.2288, 26.3397 | 490.8 | 12 | 3 | 51 | 65 | |
| Aru F-197 borehole | Estonia | 59.2958, 27.0308 | 301.6 | 5 | 0 | 22 | 25 | |
| Arukõrtsi F-257 borehole | Estonia | 59.2353, 26.2431 | 535 | 6 | 2 | 36 | 51 | |
| Aruküla 40 borehole | Estonia | 59.3582, 25.0788 | 246.55 | 14 | 32 | 135 | 64 | |
| Aseri borehole | Estonia | 59.4587, 26.8603 | | 1 | 1 | 0 | 0 | |
| Aseri 249 borehole | Estonia | 59.4546, 26.8493 | 188.4 | 7 | 5 | 22 | 16 | |
| Assaku F-101 borehole | Estonia | 59.3697, 24.8510 | 213.7 | 9 | 0 | 17 | 12 | |