(817) 778-9532

Excello-Mulky Formation in Oklahoma

29,305 wells across 2,168 active operators, with 2 drilling permits filed in the last 24 months.

Refreshed monthly from OK OCC well-header records. Data current as of 2026-05-04.

Total Wells
29,305
Active Operators
2,168
Total Lateral
53 miles
Permits (24mo)
2

Top Operators in the Excello-Mulky (Oklahoma)

The operators with the most well counts targeting the Excello-Mulky formation in Oklahoma:

#OperatorWells in Excello-Mulky
1 State Fund Plugging 2,055
2 Gateway Resources 1,802
3 Endeavor Energy Resources 859
4 Rocky Roads Operating LLC 576
5 Exxon Mobil 569
6 Comdisco Resources 496
7 Performance Operating 416
8 Bratco Operating Company 390
9 Bullseye Operating 387
10 Entransco Energy 362

Primary Oklahoma Counties for the Excello-Mulky

The Oklahoma counties with the most Excello-Mulky activity:

Nowata, Washington, Tulsa, Osage, Creek

About the Excello-Mulky Formation in Oklahoma

The Excello-Mulky is one of Oklahoma's active oil and gas plays, with 29,305 wells on file across 2,168 distinct operators of record. Operators have filed 2 drilling permits targeting the Excello-Mulky 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 Nowata, Washington, Tulsa, Osage, Creek, knowing whether your tract sits within an active Excello-Mulky 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.

Own Excello-Mulky Mineral Rights in Oklahoma?

Get a free written offer based on your specific tract, operator, and the current Excello-Mulky activity in your area.

Get Your Free Mineral Valuation

Quick Stats

Formation: Excello-Mulky

State: Oklahoma

Total wells: 29,305

Active operators: 2,168

Permits 24mo: 2

Last refresh: 2026-05-04

Ready to Sell?

Free written offers on Excello-Mulky mineral rights in Oklahoma.

Get Your Free Offer