FIELDS · TEXAS · FIELD 49129594
Keystone (San Andres)
Field · District 08 · Winkler County · San Andres in every state →
Keystone (San Andres) is an RRC field with 49 leases on file reported by 44 operators, in Winkler County.
In the 12 months reported through April 2026 it produced 10,856 barrels of oil, down 17% on the year before, from 5 leases reporting volume.
Gruy Petroleum Management Co. holds the most, 21 leases and 859,078 barrels of oil lifetime.
Lifetime, the field has reported 2.4 million barrels of oil and 4.9 million mcf of gas.
- 49
- leases on file
- 5
- leases reporting volume
- 44
- operators, all time
- 17
- active wellbores of 158 · 6 operators today
- 10,856
- bbl oil, 12 months through Apr 2026 · −17%
- 1,111
- Mcf gas, same 12 months · −63%
- 2.4M
- bbl oil, lifetime · 4.9M Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Apr 2026 10,856 · prior 12 13,116(-17%)
Keystone (San Andres): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 14
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Gruy Petroleum Management Co. | 21 | 859K | 1.9M | Dec 2001 |
| Hilcorp Energy Company | 5 | 610K | 1.25M | Apr 2026 |
| Formentera Operations LLC | 6 | 586K | 1.25M | Apr 2026 |
| Paladin Petroleum III, L.L.C. | 4 | 151K | 70.8K | Apr 2026 |
| Teke Production LLC | 1 | 147K | 263K | Dec 2023 |
| Prize Operating Company | 1 | 20.1K | 39.6K | Dec 2001 |
| Cimarex Energy Co. of Colorado | 1 | 17.3K | 25.6K | Dec 2001 |
| Pioneer Resources Producing, L.P | 3 | 16.8K | 28.5K | May 1997 |
| Fulfer Oil and Cattle Co. | 1 | 14.5K | 61.4K | Apr 2026 |
| Tilted J Oil Company | 1 | 2.41K | 2.53K | Jul 1999 |
| Hallwood Petroleum, Inc. | 1 | 101 | 8 | Jun 1997 |
| BCP Resources, LLC | 1 | 94 | 2.05K | Aug 2011 |
| Boyd & McWilliams Operating, LLC | 2 | 0 | 0 | — |
| XTO Energy Inc. | 1 | 0 | 0 | — |
Counties
- Winkler County → 49 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| COP SWD #1 | Boyd & McWilliams Operating LLC | Winkler | Apr 15, 2024 | — | — | — |
| Rust 24 #5H | Formentera Operations LLC | Winkler | Oct 12, 2022 | — | — | — |
| Y T Family Land #1 | Paladin Petroleum III L.L.C. | Winkler | Sep 29, 2022 | — | — | — |
| McCutchen W.A. #3 S | Teke Production LLC | Winkler | May 19, 2021 | — | — | — |
| Utf Moreton #1H | Paladin Petroleum III L.L.C. | Winkler | Nov 18, 2018 | — | — | — |
| Bashara M. J. #36 | Hilcorp Energy Company | Winkler | Nov 9, 2018 | — | — | — |
| K.D. 24 SWD #1 | Boyd & McWilliams Operating LLC | Winkler | Jul 2, 2018 | — | — | — |
| Stonegate #1H | Paladin Petroleum III L.L.C. | Winkler | Feb 1, 2018 | — | — | — |
| K.D. #1H | Paladin Petroleum III L.L.C. | Winkler | May 30, 2017 | — | — | — |
| Keystone Cattle Co. #417A | BCP Resources LLC | Winkler | Jul 31, 2011 | — | — | — |
About this data
Field 49129594 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. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, San Andres, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/49129594, documented in the API reference.