1,827 wells across 248 active operators, with 33 drilling permits filed in the last 24 months.
Refreshed monthly from ECMC well-header records. Data current as of 2026-08-09.
Quick answer: The San Juan Basin formation in Colorado has 1,827 wells on record across 248 active operators, with 33 drilling permits filed in the last 24 months (as of 2026-08-09). Its most active operators by well count are Simcoe LLC, Red Willow Production Company, Catamount Energy Partners, Hughes William E and Red Mesa Holdings/O&G. Compiled from Colorado Energy & Carbon Management Commission (ECMC) well-header records, refreshed monthly.
The operators with the most well counts targeting the San Juan Basin formation in Colorado:
| # | Operator | Wells in San Juan Basin |
|---|---|---|
| 1 | Simcoe LLC | 332 |
| 2 | Red Willow Production Company | 208 |
| 3 | Catamount Energy Partners | 163 |
| 4 | Hughes William E | 76 |
| 5 | Red Mesa Holdings/O&G | 76 |
| 6 | Hilcorp Energy Company | 68 |
| 7 | Williford Resources | 58 |
| 8 | Enduring Resources | 55 |
| 9 | Petrox Resources | 45 |
| 10 | Morning Star Oil Company | 32 |
The Colorado counties with the most San Juan Basin activity:
La Plata, Archuleta, Montezuma
The most recent 5 drilling permits filed for San Juan Basin wells in Colorado:
| Permit Date | Well | API | County | Operator | Lateral (ft) |
|---|---|---|---|---|---|
| 2025-11-21 | Allison Unit 614h | 05067100680000 |
La Plata | Hilcorp Energy Company | 13,943 |
| 2025-04-07 | Allison Unit 630h | 05067100600000 |
La Plata | Hilcorp Energy Company | 10,659 |
| 2025-04-07 | Allison Unit 632h | 05067100630000 |
La Plata | Hilcorp Energy Company | 14,675 |
| 2025-04-07 | Allison Unit 633h | 05067100610000 |
La Plata | Hilcorp Energy Company | 15,236 |
| 2025-04-07 | Allison Unit 631h | 05067100620000 |
La Plata | Hilcorp Energy Company | 11,027 |
The San Juan Basin is one of Colorado's active oil and gas plays, with 1,827 wells on file across 248 distinct operators of record. Operators have filed 33 drilling permits targeting the San Juan Basin in the last 24 months — a measure of how active the play is right now versus its historical baseline.
For mineral owners with interests in La Plata, Archuleta, Montezuma, knowing whether your tract sits within an active San Juan Basin footprint is a foundational valuation question. Active formations with consistent permit flow command premium pricing; legacy formations with steady but declining production are valued differently.
See all Colorado oil & gas formations & plays · Download the Colorado formations dataset (CSV)
1,827 wells target the San Juan Basin in Colorado, worked by 248 active operators, per ECMC well-header records (as of 2026-08-09).
By well count, the most active San Juan Basin operators in Colorado are Simcoe LLC, Red Willow Production Company, Catamount Energy Partners, Hughes William E and Red Mesa Holdings/O&G. The full ranking is in the table on this page.
Operators filed 33 drilling permits targeting the San Juan Basin in the last 24 months — a live measure of current activity, per ECMC records.
Operators filed 33 new drilling permits targeting the San Juan Basin in Colorado over the last 24 months. New permits and spuds are the clearest signal of active San Juan Basin drilling, per ECMC records (as of 2026-08-09).
San Juan Basin activity in Colorado currently spans 1,827 wells on record and 248 active operators, led by Simcoe LLC, Red Willow Production Company, Catamount Energy Partners, Hughes William E and Red Mesa Holdings/O&G, with 33 drilling permits filed in the last 24 months — refreshed monthly from Colorado Energy & Carbon Management Commission (ECMC) well-header records (as of 2026-08-09).
The most active San Juan Basin counties in Colorado are La Plata, Archuleta, Montezuma.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. Buckhead Energy checks your tract against current San Juan Basin well and permit data and puts a free, no-obligation written offer in writing — this page is informational only, not a valuation.
Cite this dataset
Permanently archived and citable via a DOI on Zenodo (CERN), under a CC BY 4.0 license. DOI: 10.5281/zenodo.21442884 · View on Zenodo
License & attribution: This data is licensed CC BY 4.0. You are free to share and adapt it, including commercially, provided you credit “Buckhead Energy” and link back to this page or the DOI above.
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Formation: San Juan Basin
State: Colorado
Total wells: 1,827
Active operators: 248
Permits 24mo: 33
Last refresh: 2026-08-09
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