FIELDS · TEXAS · FIELD 49413200
King Mountain (Devonian)
Field · District 7C · Upton County · Devonian in every state →
King Mountain (Devonian) is an RRC field with 8 leases on file reported by 27 operators, in Upton County.
In the 12 months reported through April 2026 it produced 173,016 mcf of gas, down 9% on the year before, from 3 leases reporting volume.
Winn Operating, LLC holds the most, 1 leases and 367,751 barrels lifetime.
Lifetime, the field has reported 481,546 barrels of oil and 9.5 million mcf of gas, across 7 oil and 1 gas leases.
- 8
- leases on file · 7 oil, 1 gas
- 3
- leases reporting volume
- 27
- operators, all time
- 0
- active wellbores of 2 · 0 operators today
- 8,636
- bbl oil, 12 months through Apr 2026 · −2%
- 173,016
- Mcf gas, same 12 months · −9%
- 481,546
- bbl oil, lifetime · 9.5M Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 8,636 · prior 12 8,810(-2%)
King Mountain (Devonian): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 7
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Winn Operating, LLC | 1 | 368K | 6.76M | Jul 2026 |
| Petx Operating LLC | 2 | 100K | 1.71M | Jul 2026 |
| XTO Energy Inc. | 1 | 4.29K | 79.6K | Jul 2026 |
| Maynard Oil Co. | 1 | 3.8K | 16K | Nov 1999 |
| Costilla Petroleum Corporation | 1 | 3.17K | 195K | Sep 1996 |
| Eagle Rock Operating Company,llc | 1 | 2.55K | 86.3K | May 2010 |
| XOG Operating LLC | 1 | 0 | 676K | Jul 2026 |
Counties
- Upton County → 6 leases
About this data
Field 49413200 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed from every lease report naming the field, cut at the statewide reported-through month, Apr 2026. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Devonian, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/49413200, documented in the API reference.