FIELDS · 40751500 · DISTRICT 08
Herrell (Grayburg)
Sterling 4
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 Engy Res 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
- 8
- operators, all time
- 1.98K
- bbl oil, last 12 reported -17%
- 0
- mcf gas, last 12 reported
- 3
- leases reporting volume
- 67.7K
- bbl oil, lifetime · 27 mcf
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Oil by month
TEN YEARS · EVERY LEASE IN THE FIELD
Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 1,984 · prior 12 2,403(-17%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 3 · a year earlier 3(+0%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 4
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| King Engy Res | 3 | 66.9K | 22 | Jul 2026 |
| APC Oper Partnership | 2 | 799 | 0 | Jun 2019 |
| Black River Oper LLC | 1 | 0 | 0 | Jul 2026 |
| Green, Roy W. Oil & Gas | 1 | 0 | 5 | Jun 1996 |
Counties
- Sterling County → 4 leases
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 nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.
New to these records? how production is reported
Developers: this page as JSON is GET /v1/data/fields/tx/40751500, documented in the API reference.