FIELDS · 49129330 · DISTRICT 08
Keystone (Ellenburger)
Winkler 36
Keystone (Ellenburger) is an RRC field with 82 leases on file reported by 17 operators, in Winkler County.
In the 12 months reported through April 2026 it produced 242,383 mcf of gas, up 4% on the year before, from 22 leases reporting volume.
Hilcorp Engy Co holds the most, 32 leases and 1.9 million barrels lifetime.
Lifetime, the field has reported 3.8 million barrels of oil and 211 million mcf of gas, across 12 oil and 70 gas leases.
- 82
- leases on file · 12 oil, 70 gas
- 17
- operators, all time
- 0
- bbl oil, last 12 reported
- 242K
- mcf gas, last 12 reported +4%
- 22
- leases reporting volume
- 3.82M
- bbl oil, lifetime · 211M mcf
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
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 242,383 · prior 12 233,768(+4%)
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 0 · prior 12 0
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 16 · a year earlier 11(+45%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 12
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Hilcorp Engy Co | 32 | 1.85M | 93M | Jul 2026 |
| Basin Oil & Gas Oper, LLC | 18 | 1.61M | 87.2M | Jul 2026 |
| XTO Engy Inc | 6 | 340K | 15.6M | Jun 2023 |
| Bepco, L.P | 2 | 14.2K | 503K | Mar 2008 |
| Bass Enterprises Prod Co | 13 | 0 | 6.8M | Apr 2004 |
| Arch Petro Inc | 2 | 0 | 1.26M | Apr 1998 |
| Bopco, L.P | 2 | 0 | 5.12M | Sep 2011 |
| Pennzenergy Exp. & Prod., L.L.C | 2 | 0 | 1.54M | Jan 2019 |
| Pennzoil Expl & Prod. Co | 2 | 0 | 152K | Aug 1997 |
| Fulfer Oil and Cattle Co. | 1 | 0 | 0 | Jul 2026 |
| Stronghold Engy II Oper, LLC | 1 | 0 | 134K | Jan 2019 |
| Owl SWD Oper, LLC | 1 | 0 | 0 | Aug 2025 |
Counties
- Winkler County → 36 leases
About this data
Field 49129330 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/49129330, documented in the API reference.