Quick answer — Who are the largest operators in the Denver-Julesburg (DJ) Basin?
The Denver-Julesburg (DJ) Basin of Colorado and Wyoming is anchored by the Niobrara and Codell formations across Weld County and the greater Front Range.
The Denver-Julesburg (DJ) Basin has approximately 101,661 wells operated by 2,854 companies. Below are the largest operators by well count. Data as of 2026-11-03.
| # | Operator | Wells | Have produced |
|---|---|---|---|
| 1 | Noble Energy | 10,410 | 8,332 |
| 2 | Kerr-McGee | 9,780 | 8,858 |
| 3 | PDC Energy | 8,362 | 6,777 |
| 4 | Own Resources Operating | 3,441 | 3,391 |
| 5 | Anadarko Petroleum | 2,592 | 95 |
| 6 | Crestone Peak Resources Operating | 2,429 | 2,207 |
| 7 | Extraction Oil & Gas | 1,628 | 1,303 |
| 8 | EOG Resources | 1,499 | 258 |
| 9 | K P Kauffman Company | 1,458 | 1,316 |
| 10 | Bison Iv Operating LLC | 1,361 | 791 |
| 11 | Gungnir Operating LLC | 1,261 | 0 |
| 12 | Bonanza Creek Energy Operating Company | 1,168 | 922 |
| 13 | Highpoint Operating | 977 | 516 |
| 14 | Currently Unassigned | 910 | 9 |
| 15 | Wave Petroleum Operating | 823 | — |
| 16 | Verdad Resources | 777 | 521 |
| 17 | North Silo Resources LLC | 720 | 43 |
| 18 | Prairie Operating Co. LLC | 698 | 507 |
| 19 | Longs Peak Resources | 690 | 7 |
| 20 | Fundare Resources Operating Company LLC | 636 | 400 |
| 21 | Dunamis Energy Operating LLC | 575 | 432 |
| 22 | British American Oil Production Company | 534 | 73 |
| 23 | Petroleum | 529 | 39 |
| 24 | Omimex Petroleum | 489 | 354 |
| 25 | Shell Oil Company | 489 | 34 |
The largest operators in the Denver-Julesburg (DJ) Basin by well count in this snapshot are Noble Energy (10,410 wells), Kerr-McGee (9,780 wells), PDC Energy (8,362 wells), Own Resources Operating (3,441 wells), Anadarko Petroleum (2,592 wells). The snapshot includes 2,854 operators and is dated 2026-11-03.
No. “Have produced” counts wells with a recorded first-production date. It does not confirm current production or current royalty payments. The “Wells” column counts well records associated with each operator in this basin snapshot.
Use the linked operator profiles and basin mineral-rights guide for related information. The inquiry link below provides a way to contact Buckhead about your interest.
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Well counts come from Buckhead Energy analysis of public oil and gas data (data as of 2026-11-03); reflect wells where each company is the current operator of record in the Denver-Julesburg (DJ) Basin. Informational only.
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