42-321-31447
Final CompletionROCKENBAUH JOHN K UNIT
MATAGORDA County · District 3 · SANDEL OPERATING COMPANY · PALACIOS (FRIO G FB-1)
Permits
1
Max Depth
11,500 ft
First Permit
1985-04-29
Latest Activity
1985-04-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-09-09
Shut-In
—
Plugged
2013-01-25
EWA / Production operator mismatch
Scheduling: SANDEL OPERATING COMPANY ≠ Production: UNIT PETROLEUM COMPANY (reported 2005-11)
EWA / Permit operator mismatch
Scheduling: SANDEL OPERATING COMPANY ≠ Permit: MITCHELL ENERGY CORPORATION
Resolved via: scheduling → SANDEL OPERATING 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
2013-01
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 (3) Elevation 26 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP OF FRIO (Frio) | 7,600 ft | -7,574 ft |
| FRIO "E" MELBOURNE (Frio) | 8,510 ft | -8,484 ft |
| FRIO "G" (Frio) | 9,445 ft | -9,419 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 (2)
| Interval | Type |
|---|---|
| 9,447–9,470 ft | Perforated |
| 9,488–9,518 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 2,536 ft | 2,110 sx |
| 9.625" | 9,096 ft | 1,000 sx |
| 7" | 9,878 ft | 250 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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
- 1
- Max Depth
- 11,500 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- SANDEL OPERATING COMPANY
- Completed
- 1985-09-09
Operator
- Name
- SANDEL OPER CO
- Location
- HUNTSVILLE
- P-5 Status
- Active (filed 2025-10-17)
- Cum Oil (all leases)
- 232,430 bbl
- Cum Gas (all leases)
- 34,984,330 mcf
- Activities
- G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 11