42-409-30536
Final CompletionSTARK
SAN PATRICIO County · District 4 · ROYKO OIL COMPANY · PORTLAND N. (MCKAMEY-DUBOSE)
Permits
1
Max Depth
11,013 ft
First Permit
1984-12-12
Latest Activity
1984-12-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-11-14
Shut-In
—
Plugged
2018-08-07
!
EWA / Permit operator mismatch
Scheduling: ROYKO OIL COMPANY ≠ Permit: COX, EDWIN L.
Resolved via: scheduling → ROYKO OIL COMPANY
Production Summary
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-03
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Permit History (1)
Permit Applications (1)
#260621 A COX, EDWIN L.
received 1984-12-03
Well Details
- Well Number
- 2
- Max Depth
- 11,013 ft
- Drill Type
- Vertical
- County
- SAN PATRICIO
- District
- 4
- Operator
- ROYKO OIL COMPANY
- Completed
- 1984-11-14
Operator
- Name
- ROYKO OIL CO
- Location
- HORSESHOE B, AY
- P-5 Status
- Y (filed 2026-02-04)
- Cum Oil (all leases)
- 34,867 bbl
- Cum Gas (all leases)
- 608,938 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 1