FIELDS · TEXAS · FIELD 40751500
Herrell (Grayburg)
Field · District 08 · Sterling County · Grayburg in every state →
Herrell (Grayburg) is an RRC field with 7 leases on file reported by 8 operators, in Sterling County.
In the 12 months reported through April 2026 it produced 1,984 barrels of oil, down 17% on the year before, from 3 leases reporting volume.
King Energy Resources holds the most, 3 leases and 66,944 barrels lifetime.
Lifetime, the field has reported 67,743 barrels of oil and 27 mcf of gas.
- 7
- leases on file
- 3
- leases reporting volume
- 8
- operators, all time
- 3
- active wellbores of 9 · 1 operators today
- 1,984
- bbl oil, 12 months through Apr 2026 · −17%
- 0
- Mcf gas, same 12 months
- 67,743
- bbl oil, lifetime · 27 Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 1,984 · prior 12 2,403(-17%)
Herrell (Grayburg): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 4
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| King Energy Resources | 3 | 66.9K | 22 | Jul 2026 |
| Apache Corporation | 2 | 799 | 0 | Jun 2019 |
| Black River Operating LLC | 1 | 0 | 0 | Jul 2026 |
| Green, Roy W. Oil & Gas | 1 | 0 | 5 | Jun 1996 |
Counties
- Sterling County → 4 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Glass #8 | King Energy Resources | Sterling | Oct 27, 2008 | — | 0 | 0 |
| Glass -a- #6 | King Energy Resources | Sterling | Oct 24, 2008 | — | 0 | 0 |
| Reynolds -a- #1 X | Green Roy W. Oil & Gas | Sterling | Mar 17, 1978 | — | 0 | 0 |
About this data
Field 40751500 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/40751500, documented in the API reference.