498 wells across 90 active operators, with 0 drilling permits filed in the last 24 months.
Refreshed monthly from OK OCC well-header records. Data current as of 2026-07-15.
The operators with the most well counts targeting the Cleveland formation in Oklahoma:
| # | Operator | Wells in Cleveland |
|---|---|---|
| 1 | Mewbourne Oil Company | 92 |
| 2 | Unbridled Resources LLC | 89 |
| 3 | Be Anadarko Ii LLC | 58 |
| 4 | Unit Petroleum Company | 33 |
| 5 | Diversified Production LLC | 24 |
| 6 | Jones Energy | 22 |
| 7 | Strat Land Exploration Company | 12 |
| 8 | Presidio Petroleum | 12 |
| 9 | Chesapeake Energy | 9 |
| 10 | Samson Resources Company | 6 |
The Oklahoma counties with the most Cleveland activity:
Ellis, Beaver
The Cleveland is one of Oklahoma's active oil and gas plays, with 498 wells on file across 90 distinct operators of record. Operators have filed 0 drilling permits targeting the Cleveland in the last 24 months — a measure of how active the play is right now versus its historical baseline.
For mineral owners with interests in Ellis, Beaver, knowing whether your tract sits within an active Cleveland footprint is a foundational valuation question. Active formations with consistent permit flow command premium pricing; legacy formations with steady but declining production are valued differently.
Get a free written offer based on your specific tract, operator, and the current Cleveland activity in your area.
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Formation: Cleveland
State: Oklahoma
Total wells: 498
Active operators: 90
Permits 24mo: 0
Last refresh: 2026-07-15