FIELDS · TEXAS · FIELD 83350333
Shirk (Grayburg)
Field · District 7C · Upton County · Grayburg in every state →
Shirk (Grayburg) is an RRC field with 6 leases on file reported by 22 operators, in Upton County.
In the 12 months reported through April 2026 it produced 7,160 barrels of oil, down 11% on the year before, from 3 leases reporting volume.
Tres Roughneckas WTX LLC holds the most, 3 leases and 259,224 barrels of oil lifetime.
Lifetime, the field has reported 259,224 barrels of oil and 116 mcf of gas.
- 6
- leases on file
- 3
- leases reporting volume
- 22
- operators, all time
- 7
- active wellbores of 19 · 1 operators today
- 7,160
- bbl oil, 12 months through Apr 2026 · −11%
- 0
- Mcf gas, same 12 months
- 259,224
- bbl oil, lifetime · 116 Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 7,160 · prior 12 8,034(-11%)
Shirk (Grayburg): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 4
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Tres Roughneckas WTX LLC | 3 | 259K | 115 | Jul 2026 |
| Brazos Petroleum, Inc. | 1 | 0 | 0 | Aug 2003 |
| Bustos, Martin Oil | 1 | 0 | 1 | Jul 2026 |
| Mae Exploration, Inc. | 1 | 0 | 0 | Oct 1995 |
Counties
- Upton County → 2 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Shirk #3 | Oxiom Group LLC | Upton | Sep 3, 2026 | — | 0 | 0 |
| Ballenger a #1A | Mae Exploration Inc. | Upton | May 22, 1984 | — | 0 | 0 |
| Ballenger #1 | Bustos Martin Oil | Upton | Mar 15, 1982 | — | 0 | 0 |
| Shirk J. H. -B- #18 | Oxiom Group LLC | Upton | Feb 16, 1962 | — | 0 | 0 |
About this data
Field 83350333 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, Grayburg, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/83350333, documented in the API reference.