FIELDS · TEXAS · FIELD 82570100
Shafter Lake (Clear Fork)
Field · District 08 · Andrews County · Clear Fork in every state →
Shafter Lake (Clear Fork) is an RRC field with 31 leases on file reported by 37 operators, in Andrews County.
In the 12 months reported through April 2026 it produced 103,869 barrels of oil, down 6% on the year before, from 7 leases reporting volume.
Highmark Energy Operating, LLC holds the most, 8 leases and 6.7 million barrels of oil lifetime.
Lifetime, the field has reported 8.0 million barrels of oil and 2.6 million mcf of gas.
- 31
- leases on file
- 7
- leases reporting volume
- 37
- operators, all time
- 39
- active wellbores of 128 · 2 operators today
- 103,869
- bbl oil, 12 months through Apr 2026 · −6%
- 9,168
- Mcf gas, same 12 months · −48%
- 8.0M
- bbl oil, lifetime · 2.6M Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 103,869 · prior 12 110,237(-6%)
Shafter Lake (Clear Fork): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 10
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Highmark Energy Operating, LLC | 8 | 6.7M | 2.01M | Jul 2026 |
| Scout Energy Management LLC | 3 | 956K | 488K | Jul 2026 |
| Legacy Reserves Operating LP | 1 | 178K | 36.5K | Mar 2023 |
| Henry Petroleum Corp. | 13 | 149K | 88K | Jul 1998 |
| Endeavor Energy Resources L.P. | 1 | 14.1K | 6.6K | Aug 2001 |
| Ring Energy, Inc. | 1 | 13.8K | 0 | Oct 2023 |
| Lime Rock Resources IV-a, L.P. | 1 | 9.83K | 3.4K | Oct 2021 |
| Brown, Tom Inc. | 1 | 5.59K | 1.61K | Dec 1994 |
| Henry Petroleum LP | 1 | 0 | 0 | Jan 2003 |
| Sheridan Production Company, LLC | 1 | 0 | 0 | Aug 2018 |
Counties
- Andrews County → 20 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| University -C- #4 | Highmark Energy Operating LLC | Andrews | Mar 27, 2020 | — | 0 | 0 |
| Texas -PP- #11 | Scout Energy Management LLC | Andrews | Jan 20, 2020 | — | 0 | 0 |
| Shafter Lake Clearfork Unit #427 | Highmark Energy Operating LLC | Andrews | Jul 27, 2018 | — | 0 | 0 |
| Shafter Lake Clearfork Unit #426W | Highmark Energy Operating LLC | Andrews | Jul 10, 2018 | — | 0 | 0 |
| Shafter Lake Clearfork Unit #425W | Highmark Energy Operating LLC | Andrews | Jul 5, 2018 | — | 0 | 0 |
| Shafter Lake Clearfork Unit #725W | Highmark Energy Operating LLC | Andrews | Apr 20, 2016 | — | 0 | 0 |
| University 3R #1 | Ring Energy Inc. | Andrews | Dec 11, 2014 | — | 0 | 0 |
| Zebco #1 | Lime Rock Resources IV-a L.P. | Andrews | Jun 19, 2012 | — | 0 | 0 |
| Shafter Lake Clearfork Unit #608 | Highmark Energy Operating LLC | Andrews | Nov 8, 2011 | — | 0 | 0 |
| Shafter Lake Clearfork Unit #105 | Highmark Energy Operating LLC | Andrews | May 5, 2011 | — | 0 | 0 |
About this data
Field 82570100 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, Clear Fork, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/82570100, documented in the API reference.