Quick answer: Derby Exploration LLC has 41 Texas/Oklahoma drilling permits in the last ten years, 0 of them in the last 12 complete months (-100.0% year over year). Its most-permitted county is Dewey (56.1% of permits) and leading target is Woodford (51.2%).
| Year | Permits | Median lateral (ft) |
|---|---|---|
| 2018 | 10 | 9,307 |
| 2019 | 11 | 7,469 |
| 2022 | 8 | 8,390 |
| 2023 | 4 | 10,135 |
| 2024 | 4 | 8,991 |
| Other years combined (2 years) | 4 | — |
Years with fewer than three permits are combined with at least one other year, so no single year's count is published.
| Formation / play | Permits | Share |
|---|---|---|
| Woodford | 21 | 51.2% |
| Anadarko Basin | 20 | 48.8% |
| Median permit → spud | 10 days |
| Median spud → first reported production | 194 days |
| Permits older than 12 months that were spudded | 100% |
| Spuds older than 12 months reporting production | 95.1% |
| Median lateral, last 24 months vs earlier | 9,466 ft vs 8,265 ft |
Groups with fewer than three permits are folded into "all other". Computed by Valor from public oil and gas data; refreshed weekly. Data as of 2026-11-01.
Derby Exploration LLC has 41 Texas/Oklahoma drilling permits in the last ten years, 0 of them in the last 12 complete months (-100.0% year over year). Its most-permitted county is Dewey (56.1% of permits) and leading target is Woodford (51.2%).
Across its permits, the median time from permit to spud is 10 days and from spud to first reported production 194 days. 100% of its permits older than a year have been spudded.
Its median lateral on permits from the last 24 months is 9,466 ft, versus 8,265 ft on earlier permits (+14.5%).
No. Valor publishes permit activity as statistics — counts by year, county and formation groupings of three or more permits, lateral trends and cycle times — rather than individual permit records.
These statistics are computed by Valor from public oil and gas data. © Valor, all rights reserved.