Medium
| Pools | Codes |
|---|---|
| Bakken | 51 |
| Bakken - Fort Berthold Fee - Pre 2019 | 351 |
| Bakken - Fort Berthold Trust - Pre 2019 | 451 |
| Bakken - Fort Berthold Fee | 551 |
| Bakken - Fort Berthold Trust | 651 |
| Bakken/Three Forks | 60 |
| Bakken/Three Forks/Devonian | 18 |
| Big Snowy | 30 |
| Birdbear | 53 |
| Birdbear-Duperow | 38 |
| Black Island | 86 |
| Cambro/Ordovician | 88 |
| Charles | 41 |
| Dakota | 10 |
| Dakota - Fort Berthold Fee - Pre 2019 | 310 |
| Dakota - Fort Berthold Trust - Pre 2019 | 410 |
| Dakota - Fort Berthold Fee | 510 |
| Dakota - Fort Berthold Trust | 610 |
| Dawson | 3 |
| Dawson Bay | 56 |
| Dawson Bay/Devonian | 20 |
| Deadwood | 4 |
| Default Pool for County Wells | 0 |
| Devonian | 50 |
| Duperow | 54 |
| Eagle | 12 |
| Eagle G.F. | 11 |
| Eagle/Judith River | 13 |
| Gunton | 87 |
| Gunton/Ordivican | 19 |
| Heath | 31 |
| Heath/Madison | 96 |
| Icebox | 85 |
| Interlake | 71 |
| Invalid Pool Code | 999 |
| Kibbey | 32 |
| Lodgepole | 43 |
| Lodgepole - Fort Berthold Fee - Pre 2019 | 343 |
| Lodgepole - Fort Berthold Trust - Pre 2019 | 443 |
| Lodgepole - Fort Berthold Fee | 543 |
| Lodgepole - Fort Berthold Trust | 643 |
| Lodgepole/Bakken | 46 |
| Madison | 40 |
| Madison - Fort Berthold Fee - Pre 2019 | 340 |
| Madison - Fort Berthold Trust - Pre 2019 | 440 |
| Madison - Fort Berthold Fee | 540 |
| Madison - Fort Berthold Trust | 640 |
| Midale | 44 |
| Midale/Nesson | 47 |
| Minnelusa | 25 |
| Minnelusa (Nitrogen) | 24 |
| Mission Canyon | 42 |
| Mission Canyon/Madison | 22 |
| North Red River B | 75 |
| Old Plant | 882 |
| Old SWD | 881 |
| Old Waste | 883 |
| Ordovician | 80 |
| Pierre | 14 |
| Plant | 92 |
| Prairie | 57 |
| Precambrian | 1 |
| Ratcliffe | 39 |
| Red River | 83 |
| Red River - Fort Berthold Fee - Pre 2019 | 383 |
| Red River - Fort Berthold Trust - Pre 2019 | 483 |
| Red River - Fort Berthold Trust | 583 |
| Red River - Fort Berthold Trust | 683 |
| Red River B | 79 |
| Red River C | 78 |
| Red River Unit | 74 |
| Rival | 48 |
| Roughlock | 84 |
| Sanish | 59 |
| Sanish - Fort Berthold Fee - Pre 2019 | 359 |
| Sanish - Fort Berthold Trust - Pre 2019 | 459 |
| Sanish - Fort Berthold Fee | 559 |
| Sanish - Fort Berthold Trust | 659 |
| Sherwood | 45 |
| Silurian | 70 |
| Souris River | 55 |
| South Red River B | 76 |
| Spearfish | 21 |
| Spearfish/Charles | 98 |
| Spearfish/Madison | 97 |
| Stonewall | 81 |
| Stony Mountain | 82 |
| SWD | 91 |
| SWD - Fort Berthold Fee - Pre 2019 | 391 |
| SWD - Fort Berthold Trust - Pre 2019 | 491 |
| SWD - Fort Berthold Fee | 591 |
| SWD - Fort Berthold Trust | 691 |
| Three Forks | 52 |
| Three Forks - Fort Berthold Fee - Pre 2019 | 352 |
| Three Forks - Fort Berthold Trust - Pre 2019 | 452 |
| Three Forks - Fort Berthold Fee | 552 |
| Three Forks - Fort Berthold Trust | 952 |
| Tyler | 26 |
| Tyler A | 27 |
| Unnamed | 99 |
| Waste | 93 |
| West Red River | 77 |
| Winnipeg | 89 |
| Winnipeg/Deadwood | 90 |
| Winnipegosis | 58 |