| Aadama 73 borehole | Estonia | | 4 | 10 | 2 | 0 | |
| Aakre 261 borehole | Estonia | 58.0956, 26.1991 | 1 | 0 | 35 | 151 | |
| Abja 92 borehole | Estonia | 58.1508, 25.3641 | 33 | 344 | 635 | 384 | |
| Haapsalu 209 borehole | Estonia | 58.9263, 23.5541 | 0 | 0 | 0 | 0 | |
| Eiklaraba 959 borehole | Estonia | 58.4422, 22.5925 | 0 | 0 | 0 | 0 | |
| Baltinava 17 borehole | Latvia | 56.9500, 27.7222 | 16 | 165 | 376 | 283 | |
| Bebirva 108 borehole | Lithuania | 55.2595, 22.9855 | 6 | 1 | 46 | 0 | |
| Bebirva 109 borehole | Lithuania | 55.2767, 22.8230 | 2 | 5 | 13 | 0 | |
| Beshkino 2 borehole, Pskov Oblast | Russia | 58.6805, 27.8525 | 2 | 0 | 0 | 0 | |
| Blidene 5 borehole | Latvia | | 16 | 389 | 143 | 134 | |
| Tudu I borehole (1924) | Estonia | 59.1827, 26.8541 | 7 | 4 | 3 | 6 | |
| Burtnieki 4 borehole | Latvia | | 4 | 0 | 0 | 0 | |
| Butkunai 241 borehole | Lithuania | 56.0041, 25.8408 | 29 | 137 | 142 | 201 | |
| Danilov 3 borehole, Jaroslavl oblast | Russia | | 1 | 13 | 2 | 1 | |
| Dekshino 328 borehole, Pskov Oblast | Russia | 57.7784, 27.6286 | 5 | 21 | 69 | 122 | |
| Dirhami F-334 borehole | Estonia | 59.2092, 23.4931 | 5 | 27 | 51 | 36 | |
| Drukshiai 324 borehole | Lithuania | 55.6667, 26.5333 | 9 | 85 | 107 | 92 | |
| Eikla 508 borehole | Estonia | 58.4518, 22.5583 | 31 | 148 | 228 | 170 | |
| Emmaste K51 borehole | Estonia | 58.7060, 22.5951 | 0 | 1 | 0 | 0 | |
| Erra F-190 borehole | Estonia | 59.3820, 26.9516 | 8 | 1 | 42 | 52 | |
| Ereda 319 borehole | Estonia | 59.3214, 27.2552 | 9 | 13 | 3 | 3 | |
| Engure 4 borehole | Latvia | 57.1628, 23.2174 | 22 | 862 | 265 | 664 | |
| Dzerbene 100 borehole | Latvia | 57.1901, 25.6713 | 14 | 50 | 268 | 144 | |
| Emmaste K77 borehole | Estonia | 58.7072, 22.5865 | 0 | 0 | 0 | 0 | |
| Baldone 80 borehole | Latvia | 56.7415, 24.4009 | 17 | 231 | 354 | 195 | |
