BROOK A-4
BROOK A-4 is a Texas oil lease in Upton County, Railroad Commission district 7C, operated by Pioneer Natural Res. USA, Inc. It has 1 wellbore on file with the Commission. Reported production runs from December 2007 to August 2026, totalling 34,321 barrels. The lease is not currently producing. Its strongest month on the record we hold was January 2021, at 571 barrels.
Key facts about BROOK A-4
- Who operates BROOK A-4?
- BROOK A-4 is operated by Pioneer Natural Res. USA, Inc., Railroad Commission of Texas operator number 665748.
- Where is BROOK A-4?
- BROOK A-4 is a Texas oil lease in Upton County, Texas, in Railroad Commission district 7C. Its Railroad Commission lease number is 18868.
- Is BROOK A-4 still producing?
- BROOK A-4 is not currently producing. The most recent month of production reported to the Railroad Commission of Texas for BROOK A-4 is August 2026.
- How much has BROOK A-4 produced?
- BROOK A-4 has reported 34,321 barrels of oil (bbl) to the Railroad Commission of Texas between December 2007 and August 2026, from 1 wellbore.
Lease record
| Operator | Pioneer Natural Res. USA, Inc. |
|---|---|
| Field | Spraberry (Trend Area) R 40 Exc |
| County | Upton County, Texas |
| RRC district | 7C |
| Lease number | 18868 |
| Wellbores | 1 |
| Reported production | 34,321 bbl |
| First reported | |
| Last reported |
Where BROOK A-4 sits
Source: Railroad Commission of Texas lease production records, complete through . Figures on this page were computed on .
Production figures are as reported to the Railroad Commission of Texas. The value shown is an estimate produced by fitting a decline curve to that reported history; it is not an offer or an appraisal. How this estimate is calculated.