FIELDS · 49138100 · DISTRICT 08
Keystone, SW. (San Andres)
Winkler 13
Keystone, SW. (San Andres) is an RRC field with 13 leases on file reported by 29 operators, in Winkler County.
In the 12 months reported through April 2026 it produced 9,128 barrels of oil, up 8% on the year before, from 4 leases reporting volume.
Basin Oil & Gas Oper, LLC holds the most, 1 leases and 449,529 barrels lifetime.
Lifetime, the field has reported 1.1 million barrels of oil and 5.1 million mcf of gas, across 12 oil and 1 gas leases.
- 13
- leases on file · 12 oil, 1 gas
- 29
- operators, all time
- 9.13K
- bbl oil, last 12 reported +8%
- 102
- mcf gas, last 12 reported -97%
- 4
- leases reporting volume
- 1.05M
- bbl oil, lifetime · 5.12M 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 9,128 · prior 12 8,453(+8%)
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 102 · prior 12 3,065(-97%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 2 · a year earlier 3(-33%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 9
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Basin Oil & Gas Oper, LLC | 1 | 450K | 2.76M | Jul 2026 |
| Hilcorp Engy Co | 5 | 326K | 1.84M | Jul 2026 |
| Formentera Operations LLC | 1 | 213K | 450K | Jul 2026 |
| Mineral Technologies, Inc | 1 | 62.6K | 71.4K | Jul 2026 |
| Carlow Corp | 1 | 789 | 229 | Feb 2001 |
| Pennzoil Expl & Prod. Co | 1 | 14 | 634 | Jul 1997 |
| Cimarex Engy Co. of Colorado | 1 | 0 | 0 | Mar 2012 |
| Blackbeard Oper, LLC | 1 | 0 | 0 | Jul 2026 |
| Hillin-Simon Oil Co | 1 | 0 | 0 | Oct 1993 |
Counties
- Winkler County → 13 leases
About this data
Field 49138100 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/49138100, documented in the API reference.