29,317 wells across 2,171 recorded operators. Oklahoma drilling counts are being reconciled with state records and will return here once verified.
Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
Quick answer: The Excello-Mulky formation in Oklahoma has 29,317 wells on record across 2,171 recorded operators. Oklahoma drilling counts are being reconciled with state records and will return here once verified. Its operators with the most wells on record are State Fund Plugging, Gateway Resources, Endeavor Energy Resources, Rocky Roads Operating LLC and Exxon Mobil. Source: Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The operators with the most well counts targeting the Excello-Mulky formation in Oklahoma:
| # | Operator | Wells in Excello-Mulky |
|---|---|---|
| 1 | State Fund Plugging | 2,055 |
| 2 | Gateway Resources | 1,773 |
| 3 | Endeavor Energy Resources | 859 |
| 4 | Rocky Roads Operating LLC | 576 |
| 5 | Exxon Mobil | 569 |
| 6 | Pemco | 547 |
| 7 | Comdisco Resources | 496 |
| 8 | Bratco Operating Company | 390 |
| 9 | Bullseye Operating | 387 |
| 10 | Entransco Energy | 358 |
The Oklahoma counties with the most Excello-Mulky activity:
Nowata, Washington, Tulsa, Osage, Creek
The Excello-Mulky is a formation/play group recorded in Oklahoma, with 29,317 wells on file across 2,171 distinct operators of record. These are stored records, not a live measure of drilling.
Recorded formation activity provides regional context. It does not establish ownership, future production, royalty payments or a value for an individual tract. Consult qualified professionals about your specific interest.
29,317 wells target the Excello-Mulky in Oklahoma, worked by 2,171 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The Excello-Mulky operators with the most wells on record in Oklahoma are State Fund Plugging, Gateway Resources, Endeavor Energy Resources, Rocky Roads Operating LLC and Exxon Mobil. The full ranking is in the table on this page. Formation summary date: 2026-11-01.
Oklahoma drilling counts are being reconciled with state records and will return here once verified. Formation summary date: 2026-11-01.
Oklahoma drilling counts are being reconciled with state records and will return here once verified. Formation summary date: 2026-11-01.
Excello-Mulky activity in Oklahoma includes 29,317 wells on record and 2,171 recorded operators — from Buckhead Energy analysis of public oil and gas data. Oklahoma drilling counts are being reconciled with state records and will return here once verified. Formation summary date: 2026-11-01.
The primary counties recorded for Excello-Mulky in Oklahoma are Nowata, Washington, Tulsa, Osage, Creek. Formation summary date: 2026-11-01.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. This page is informational only, not a valuation. Formation summary date: 2026-11-01.
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Get Your Free Written OfferFormation: Excello-Mulky
State: Oklahoma
Total wells: 29,317
Recorded operators: 2,171
Summary date: 2026-11-01
