The Powder River Basin of northeastern Wyoming and southeastern Montana is an emerging oil play (Niobrara, Mowry, Turner) atop a legacy of coalbed-methane and conventional production.
The Powder River Basin has approximately 140,146 wells operated by 3,140 companies. Below are the largest operators by well count. Data as of 2026-06-23.
| # | Operator | Wells | Producing |
|---|---|---|---|
| 1 | Eog Resources | 10,279 | 1,000 |
| 2 | Anschutz Exploration | 6,070 | 346 |
| 3 | Devon Energy Production Company | 5,446 | 1,794 |
| 4 | Carbon Creek Energy | 5,303 | 5,236 |
| 5 | Lance Oil & Gas Company | 4,028 | 2,307 |
| 6 | Pennaco Energy Incorporated | 3,715 | 2,520 |
| 7 | Wold Energy Partners | 3,663 | 2 |
| 8 | Anadarko Petroleum | 3,477 | 249 |
| 9 | Huber J M | 2,989 | 1,694 |
| 10 | Yates Petroleum | 2,710 | 1,565 |
| 11 | Williams Production Gulf Coast | 2,597 | 1,129 |
| 12 | Wrc Energy LLC | 2,423 | 250 |
| 13 | Fidelity Exploration & Production Company | 2,053 | 1,390 |
| 14 | Atx Energy Partners | 2,040 | 10 |
| 15 | Continental Resources | 1,826 | 694 |
| 16 | Samson Resources Company | 1,810 | 9 |
| 17 | Seven Sisters Oil & Gas | 1,626 | 1 |
| 18 | Barrett Resources | 1,594 | 1,340 |
| 19 | Ballard Petroleum Holdings | 1,589 | 193 |
| 20 | Davis Oil Company | 1,522 | 57 |
| 21 | Pine Haven Resources | 1,476 | 142 |
| 22 | Anschutz Oil Company | 1,445 | 2 |
| 23 | Titan Exploration | 1,359 | 16 |
| 24 | Pinnacle Gas Resources | 1,357 | 582 |
| 25 | Sage Butte Prb Operating, LLC | 1,331 | 114 |
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Buckhead Energy buys mineral and royalty interests under wells operated by any of these companies — a free, no-obligation written offer based on your specific tract, operator, and decimal interest. No broker commissions; closings in 7–14 days.
Get a Free OfferWell counts compiled by Buckhead Energy from state oil & gas regulator records (data as of 2026-06-23); reflect wells where each company is the current operator of record in the Powder River Basin. Informational only.
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