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 Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
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.
Formation Tops (5) Elevation 38 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| F-18 | 9,713 ft | -9,675 ft |
| WATSON | 10,378 ft | -10,340 ft |
| COMMONWEALTH | 10,527 ft | -10,489 ft |
| MORRIS | 10,667 ft | -10,629 ft |
| ANDERSON | 10,874 ft | -10,836 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 10,278–10,288 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,001 ft | 1,300 sx |
| 7" | 9,609 ft | 690 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
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
- Delinquent (filed 2025-05-29)
- Cum Oil (all leases)
- 34,867 bbl
- Cum Gas (all leases)
- 608,938 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 1