4,299 wells on file. Open this county on the map.
Depth range is measured from the wells on file, not a regional average.
| Formation | Wells | Producing | Shallowest | Average | Deepest | Cumulative |
|---|---|---|---|---|---|---|
| Mississippian | 628 | 59 | 225 ft | 2,065 ft | 3,141 ft | — |
| Arbuckle Group | 189 | 5 | 1,602 ft | 2,463 ft | 3,193 ft | — |
| Pennsylvanian System | 109 | 11 | 220 ft | 1,066 ft | 2,939 ft | — |
| Arbuckle | 81 | 11 | 680 ft | 2,501 ft | 3,290 ft | — |
| Marmaton Group | 54 | 0 | 429 ft | 675 ft | 1,050 ft | — |
| Cherokee Group | 30 | 4 | 595 ft | 1,167 ft | 2,092 ft | — |
| Mississippi | 24 | 16 | 886 ft | 2,158 ft | 2,875 ft | — |
| Kansas City Group | 23 | 1 | 550 ft | 1,540 ft | 2,895 ft | — |
| New Albany Sand | 23 | 0 | 536 ft | 562 ft | 643 ft | — |
| Burgess Sand | 17 | 6 | 1,482 ft | 1,618 ft | 1,962 ft | — |
| Layton Sand | 17 | 0 | 608 ft | 1,158 ft | 2,626 ft | — |
| Layton | 15 | 7 | 706 ft | 920 ft | 1,958 ft | — |
| Krebs | 12 | 0 | 1,965 ft | 1,965 ft | 1,965 ft | — |
| Cherokee Coals | 9 | 0 | 1,600 ft | 1,795 ft | 2,100 ft | — |
| Mississippian System | 8 | 1 | 2,314 ft | 2,412 ft | 2,580 ft | — |
| Cherokee Group Coal | 6 | 0 | 1,637 ft | 1,725 ft | 1,813 ft | — |
| Kansas City | 6 | 3 | 1,728 ft | 1,814 ft | 2,100 ft | — |
| Wayside Sandstone | 6 | 0 | 630 ft | 707 ft | 809 ft | — |
| Bartlesville Sandstone | 5 | 0 | 1,381 ft | 1,407 ft | 1,450 ft | — |
| Oswego Limestone | 5 | 0 | 1,270 ft | 1,515 ft | 1,771 ft | — |
| Lansing Group | 5 | 0 | 750 ft | 1,360 ft | 1,766 ft | — |
| Burgess | 5 | 3 | 1,540 ft | 1,610 ft | 1,666 ft | — |
| Xmississippi | 3 | 2 | 1,527 ft | 2,094 ft | 2,395 ft | — |
| Lansing | 3 | 2 | 2,953 ft | 2,976 ft | 3,020 ft | — |
| Salt Sand | 3 | 0 | 445 ft | 457 ft | 468 ft | — |
| Permian System | 3 | 0 | 200 ft | 200 ft | 200 ft | — |
| Bartlesville | 3 | 0 | 805 ft | 805 ft | 805 ft | — |
| Cambrian System | 3 | 0 | 2,945 ft | 3,448 ft | 3,999 ft | — |
| Oswego | 3 | 0 | 845 ft | 1,187 ft | 1,529 ft | — |
| Ordovician System | 2 | 0 | 2,738 ft | 2,772 ft | 2,805 ft | — |
| Wayside | 2 | 0 | 677 ft | 677 ft | 677 ft | — |
| Unkonwn | 2 | 0 | 1,989 ft | 2,324 ft | 2,659 ft | — |
| Sand | 2 | 0 | 579 ft | 611 ft | 642 ft | — |
| Peru | 2 | 0 | 1,089 ft | 1,459 ft | 1,829 ft | — |
| Kinderhookian | 2 | 0 | 2,335 ft | 2,482 ft | 2,628 ft | — |
| New Albany | 2 | 1 | 542 ft | 542 ft | 542 ft | — |
| Kansas City Lime | 2 | 2 | 1,714 ft | 1,739 ft | 1,764 ft | — |
| Cottage Grove Sandstone | 2 | 0 | 1,487 ft | 1,494 ft | 1,501 ft | — |
| Miss. Lime | 2 | 1 | 1,612 ft | 2,108 ft | 2,603 ft | — |
| Hertha Ls | 2 | 0 | 3,120 ft | 3,120 ft | 3,120 ft | — |
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