FIELDS · 49129858 · DISTRICT 08
Keystone (Wolfcamp)
Winkler 36
Keystone (Wolfcamp) is an RRC field with 36 leases on file reported by 3 operators, in Winkler County.
In the 12 months reported through April 2026 it produced 2.0 million barrels of oil, down 6% on the year before, from 35 leases reporting volume.
Formentera Operations LLC holds the most, 29 leases and 8.9 million barrels lifetime.
Lifetime, the field has reported 13 million barrels of oil and 18 million mcf of gas.
- 36
- leases on file
- 3
- operators, all time
- 2.02M
- bbl oil, last 12 reported -6%
- 2.5M
- mcf gas, last 12 reported -14%
- 35
- leases reporting volume
- 13.5M
- bbl oil, lifetime · 18.2M mcf
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Oil by month
TEN YEARS · EVERY LEASE IN THE FIELD
Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 2,018,291 · prior 12 2,139,960(-6%)
Gas by month
TEN YEARS · EVERY LEASE IN THE FIELD
Gas-well gas plus casinghead, mcf, across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 2,498,343 · prior 12 2,918,162(-14%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 33 · a year earlier 33(+0%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 2
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Formentera Operations LLC | 29 | 8.92M | 14.4M | Jul 2026 |
| Boyd & McWilliams Oper, LLC | 7 | 4.55M | 3.86M | Jul 2026 |
Counties
- Winkler County → 36 leases
About this data
Field 49129858 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.
New to these records? how production is reported
Developers: this page as JSON is GET /v1/data/fields/tx/49129858, documented in the API reference.