FIELDS · TEXAS · FIELD 49129330
Keystone (Ellenburger)
Field · District 08 · Winkler County · Ellenburger in every state →
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 Energy Company holds the most, 32 leases and 93 million mcf of gas 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
- 22
- leases reporting volume
- 17
- operators, all time
- 13
- active wellbores of 134 · 2 operators today
- 0
- bbl oil, 12 months through Apr 2026
- 242,383
- Mcf gas, same 12 months · +4%
- 3.8M
- bbl oil, lifetime · 211M Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 0 · prior 12 0
Keystone (Ellenburger): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 12
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Hilcorp Energy Company | 32 | 1.85M | 93M | Jul 2026 |
| Basin Oil & Gas Operating, LLC | 18 | 1.61M | 87.2M | Jul 2026 |
| XTO Energy Inc. | 6 | 340K | 15.6M | Jun 2023 |
| Bepco, L.P. | 2 | 14.2K | 503K | Mar 2008 |
| Bass Enterprises Production Co. | 13 | 0 | 6.8M | Apr 2004 |
| Arch Petroleum Inc. | 2 | 0 | 1.26M | Apr 1998 |
| Bopco, L.P. | 2 | 0 | 5.12M | Sep 2011 |
| Devon Energy Production Co, L.P. | 2 | 0 | 1.54M | Jan 2019 |
| Pennzoil Exploration & Prod. Co. | 2 | 0 | 152K | Aug 1997 |
| Fulfer Oil and Cattle Co. | 1 | 0 | 0 | Jul 2026 |
| Stronghold Energy II Oper, LLC | 1 | 0 | 134K | Jan 2019 |
| Owl SWD Operating, LLC | 1 | 0 | 0 | Aug 2025 |
Counties
- Winkler County → 36 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Walton J.B. -a- #6 | Hilcorp Energy Company | Winkler | Nov 2, 2021 | — | 0 | 0 |
| Pure-Walton #10E | XTO Energy Inc. | Winkler | Feb 22, 2019 | — | 0 | 0 |
| Walton J. B. #21 | Hilcorp Energy Company | Winkler | Jan 20, 2019 | — | 0 | 0 |
| Walton J. B. #23 | Hilcorp Energy Company | Winkler | Dec 1, 2017 | — | 0 | 0 |
| Fernandes SWD #1 | Owl SWD Operating LLC | Winkler | Jul 8, 2017 | — | 0 | 0 |
| South Keystone /Ellen/ Unit #1061 | Stronghold Energy II Oper LLC | Winkler | Jun 10, 2016 | — | 0 | 0 |
| South Keystone /Ellen/ Unit #1057 | Basin Oil & Gas Operating LLC | Winkler | Jun 2, 2016 | — | 0 | 0 |
| South Keystone /Ellen/ Unit #5011 | Basin Oil & Gas Operating LLC | Winkler | May 10, 2016 | — | 0 | 0 |
| B A S H #5 | Hilcorp Energy Company | Winkler | May 1, 2016 | — | 0 | 0 |
| South Keystone /Ellen/ Unit #1069 | Basin Oil & Gas Operating LLC | Winkler | Jul 31, 2015 | — | 0 | 0 |
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 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, Ellenburger, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/49129330, documented in the API reference.