The Permian Basin of West Texas and southeast New Mexico is the most prolific oil-producing region in the United States, spanning the Midland and Delaware sub-basins and the Central Basin Platform.
The Permian Basin has approximately 472,286 wells operated by 10,992 companies. Below are the largest operators by well count. Data as of 2026-08-03.
| # | Operator | Wells | Producing |
|---|---|---|---|
| 1 | Oxy | 29,465 | 25,460 |
| 2 | Pioneer Natural Resources | 18,149 | 15,899 |
| 3 | Hilcorp Energy Company | 16,565 | 15,663 |
| 4 | Diamondback Energy | 13,337 | 12,167 |
| 5 | Eog Resources | 10,092 | 5,938 |
| 6 | Apache | 9,081 | 7,347 |
| 7 | Cog Operating | 8,130 | 6,133 |
| 8 | Scout Energy Management | 7,983 | 7,643 |
| 9 | Crescent Energy Operating, LLC | 7,084 | 6,839 |
| 10 | Xto Energy | 6,791 | 4,894 |
| 11 | Bcemach Iii LLC | 6,417 | 6,090 |
| 12 | Upp Operating LLC | 6,302 | 6,248 |
| 13 | Kinder Morgan Production | 6,023 | 5,121 |
| 14 | Chevron | 5,448 | 3,935 |
| 15 | Devon Energy Production Company | 5,085 | 2,453 |
| 16 | Permian Resources Operating LLC | 4,787 | 3,679 |
| 17 | Blackbeard Operating | 3,992 | 3,566 |
| 18 | Mewbourne Oil Company | 3,980 | 2,758 |
| 19 | Two P Partners LLC | 3,883 | 3,303 |
| 20 | Formentera Operations LLC | 3,764 | 3,675 |
| 21 | Ovintiv USA INC | 3,565 | 3,282 |
| 22 | Anadarko Petroleum | 3,203 | 2,011 |
| 23 | Burk Royalty | 3,119 | 2,995 |
| 24 | Coterra Energy INC | 3,036 | 1,981 |
| 25 | Citation Oil & Gas | 2,915 | 2,613 |
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Well counts compiled by Buckhead Energy from state oil & gas regulator records (data as of 2026-08-03); reflect wells where each company is the current operator of record in the Permian Basin. Informational only.
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