| | | | | | | | | |
|---|
| Saha-Loo F-118 borehole | Estonia | 59.4193, 24.9783 | 269.7 | 4 | 1 | 45 | 45 | |
| Rapla borehole | Estonia | 59.0056, 24.7946 | 191.78 | 43 | 1114 | 1173 | 1221 | |
| Saia 684 borehole | Estonia | 58.3328, 22.4552 | 21.3 | 1 | 0 | 0 | 0 | |
| Röa H-136 borehole | Estonia | 59.0920, 24.6987 | 31.6 | 1 | 0 | 0 | 0 | |
| Riiumägi 882 borehole | Estonia | 58.3029, 21.9197 | 21 | 0 | 1 | 2 | 2 | |
| Närsi 278 borehole | Estonia | | | 0 | 0 | 10 | 32 | |
| Ravila F-283 borehole | Estonia | 59.1841, 25.2437 | 375 | 10 | 1 | 19 | 19 | |
| Võru (Reedo) borehole | Estonia | 57.8178, 26.9959 | 600 | 17 | 14 | 67 | 354 | |
| Reheselja K83 borehole | Estonia | 58.7057, 22.5252 | 50 | 0 | 0 | 0 | 0 | |
| Reheselja K84 borehole | Estonia | 58.7081, 22.5292 | 50 | 1 | 1 | 0 | 0 | |
| Reigi K68 borehole | Estonia | 58.9959, 22.5293 | 30 | 0 | 0 | 0 | 0 | |
| Reigi K136 borehole | Estonia | 59.0027, 22.5178 | 30 | 0 | 0 | 0 | 0 | |
| Reikama K45 borehole | Estonia | 58.9371, 22.8975 | 36 | 0 | 0 | 0 | 0 | |
| Reina 835 borehole | Estonia | 58.5358, 23.0986 | 71.7 | 0 | 413 | 16 | 16 | |
| Reo 927 borehole | Estonia | 58.3265, 22.6411 | 40.3 | 2 | 11 | 52 | 85 | |
| Ruila 10 borehole | Estonia | | 22.4 | 1 | 3 | 0 | 0 | |
| Riguldi 365 borehole | Estonia | 59.0926, 23.5453 | 284.2 | 4 | 15 | 14 | 12 | |
| Riksu 803 borehole | Estonia | 58.1945, 22.0853 | 153.5 | 13 | 169 | 97 | 96 | |
| Risti 3 borehole | Estonia | 59.0040, 24.0948 | 310.5 | 4 | 0 | 0 | 0 | |
| Risti F-121 borehole | Estonia | 59.5789, 25.7714 | 188 | 5 | 0 | 22 | 21 | |
| Risti K46 borehole | Estonia | 59.0194, 22.6052 | 43 | 0 | 0 | 0 | 0 | |
| Ristiküla 174 borehole | Estonia | 58.1788, 24.8066 | 632.3 | 29 | 157 | 320 | 224 | |
| Ristivälja K147 borehole | Estonia | 58.8545, 22.7739 | 58.6 | 0 | 0 | 0 | 0 | |
| Ristna F-331 borehole | Estonia | 59.2683, 23.7579 | 255.1 | 5 | 10 | 16 | 30 | |
| Roela borehole | Estonia | | | 2 | 0 | 0 | 0 | |
