FIELDS · TEXAS · FIELD 49129210
Keystone (Dev-McKee Cons)
Field · District 08 · Winkler County
Keystone (Dev-McKee Cons) is an RRC field with 44 leases on file reported by 18 operators, in Winkler County.
In the 12 months reported through April 2026 it produced 34,709 barrels of oil, down 10% on the year before, from 19 leases reporting volume.
Hilcorp Energy Company holds the most, 21 leases and 204,685 barrels lifetime.
Lifetime, the field has reported 369,942 barrels of oil and 2.8 million mcf of gas, across 21 oil and 9 gas leases.
- 44
- leases on file · 21 oil, 9 gas
- 19
- leases reporting volume
- 18
- operators, all time
- 7
- active wellbores of 26 · 3 operators today
- 34,709
- bbl oil, 12 months through Apr 2026 · −10%
- 111,352
- Mcf gas, same 12 months · −57%
- 369,942
- bbl oil, lifetime · 2.8M Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 34,709 · prior 12 38,776(-10%)
Keystone (Dev-McKee Cons): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 7
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Hilcorp Energy Company | 21 | 205K | 6.19M | Jul 2026 |
| BCP Resources, LLC | 3 | 123K | 179K | Jul 2026 |
| Formentera Operations LLC | 2 | 27.7K | 67.6K | Jul 2026 |
| Fulfer Oil and Cattle Co. | 1 | 8.57K | 34.7K | Jul 2026 |
| Basin Oil & Gas Operating, LLC | 1 | 5.92K | 479 | Jul 2026 |
| Walsh & Watts, Inc. | 1 | 100 | 3.48K | Jul 2026 |
| XTO Energy Inc. | 1 | 0 | 92K | Sep 2019 |
Counties
- Winkler County → 19 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Keystone Cattle Co. a #472 | BCP Resources LLC | Winkler | Jul 9, 2025 | — | 0 | 0 |
| Keystone Cattle Company #605 F | Basin Oil & Gas Operating LLC | Winkler | Dec 24, 2019 | — | 0 | 0 |
| Keystone Silurian Unit #117 M | Hilcorp Energy Company | Winkler | Mar 1, 2019 | — | 0 | 0 |
| Walton J.B. a #7 | Hilcorp Energy Company | Winkler | Mar 14, 2011 | — | 0 | 0 |
| Pure-Walton #11 M | Hilcorp Energy Company | Winkler | May 3, 2006 | — | 0 | 0 |
| Jenkins B.F. Etal #1 | Hilcorp Energy Company | Winkler | Oct 8, 1999 | — | 0 | 0 |
| Waddell #109W | Formentera Operations LLC | Winkler | Apr 30, 1996 | — | 0 | 0 |
| Bashara M.J. #25 | Hilcorp Energy Company | Winkler | Dec 22, 1980 | — | 0 | 0 |
| Keystone Silurian Unit #70 | Hilcorp Energy Company | Winkler | Dec 7, 1980 | — | 0 | 0 |
| Keystone Silurian Unit #5 | Hilcorp Energy Company | Winkler | Dec 1, 1974 | — | 0 | 0 |
About this data
Field 49129210 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. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/49129210, documented in the API reference.