Quick answer — Who are the largest operators in the Arkla Basin (Haynesville)?
The Arkla Basin of north Louisiana, south Arkansas, and east Texas is the heart of the Haynesville and Cotton Valley gas plays.
The Arkla Basin (Haynesville) has approximately 139,311 wells operated by 7,871 companies. Below are the largest operators by well count. Data as of 2026-11-03.
| # | Operator | Wells | Have produced |
|---|---|---|---|
| 1 | Enervest Operating | 4,076 | 4,047 |
| 2 | Adamas Energy LLC | 2,725 | 2,579 |
| 3 | Expand Operating LLC | 2,518 | 2,359 |
| 4 | Three Sisters Petroleum | 2,140 | 1,546 |
| 5 | Diversified Production LLC | 2,030 | 1,967 |
| 6 | Spicy Daugx Operators Louisiana LLC | 1,976 | 1,428 |
| 7 | Bayou State Oil | 1,204 | 708 |
| 8 | Texaco | 1,093 | 87 |
| 9 | Comstock Oil & Gas | 1,051 | 817 |
| 10 | Placid Oil Company | 1,017 | 37 |
| 11 | Allen Brothers | 915 | 617 |
| 12 | Jeems Bayou Production | 913 | 451 |
| 13 | Monroe Well Service | 834 | 106 |
| 14 | Phillips Petroleum Company | 807 | 78 |
| 15 | Secondary Oil | 758 | 26 |
| 16 | Highmark Energy Operating | 750 | 715 |
| 17 | Hunt Oil Company | 722 | 106 |
| 18 | Arklatx Operating Company | 682 | 60 |
| 19 | Grayrock Energy Iv Operating Company LLC | 662 | 614 |
| 20 | Exco Operating Company | 657 | 545 |
| 21 | Nabors Drilling Company | 652 | 0 |
| 22 | Langley Jerry Oil Company | 599 | 34 |
| 23 | Hunt Petroleum | 584 | 339 |
| 24 | Bpx Operating Company | 581 | 484 |
| 25 | Humble Oil And Refining Company | 577 | 15 |
The largest operators in the Arkla Basin (Haynesville) by well count in this snapshot are Enervest Operating (4,076 wells), Adamas Energy LLC (2,725 wells), Expand Operating LLC (2,518 wells), Three Sisters Petroleum (2,140 wells), Diversified Production LLC (2,030 wells). The snapshot includes 7,871 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.
Explore Arkla Basin (Haynesville) mineral rights → Compare operators head-to-head →
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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 Arkla Basin (Haynesville). Informational only.
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