RRC field 85457500 · District 01
Stacy (Olmos -A-)
The Stacy (Olmos -A-) field reported 7,612 barrels of oil in the last 12 months.
Field dossier
7,612bbl oil, last 12 months−17% vs prior year
- Producing leases
- 5of 7 on record
- Operators
- 3
- Counties
- 1
- Biggest operator
- Mazco Energy LLC
Own minerals in this field?
Where the field sits
This county
1 county
- Data through
- Jul 2026
- Leases on record
- 7
Five years of output in Stacy (Olmos -A-)
Oil output in the Stacy (Olmos -A-) field fell 17% over the last 12 months
7,606 bbl through Jul 2026, against 9,204 bbl a year earlier. Peak Jul 2023: 1,140 bbl.
SourceTexas Railroad Commission Production Data Query, field 85457500, through Jul 2026, file dated Sep 18, 2026.
Leases in the Stacy (Olmos -A-) field
Under each volume: change on the year before.
2,682bbl oil+1%
2,397bbl oil+8%
1,254bbl oil−30%
1,028bbl oil+18%
251bbl oil−78%
Showing 5 of 5.
SourceTexas Railroad Commission Production Data Query.
Who operates here, and where
Operators, by oil
Mazco Energy leads
Recent drilling permits in the Stacy (Olmos -A-) field
No recent permits.