42-479-35365
Final CompletionSOUTH CALLAGHAN RANCH
WEBB County · District 4 · MOBIL PRODUCING TX. & N.M. INC. · BECCERO CREEK (LOBO 6)
Permits
4
Max Depth
10,000 ft
First Permit
1991-12-16
Latest Activity
2005-09-14
Lifespan
14 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1992-04-01
Shut-In
—
Plugged
1993-10-06
EWA / Production operator mismatch
Scheduling: MOBIL PRODUCING TX. & N.M. INC. ≠ Production: ALDINE OIL AND GAS, LP (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: MOBIL PRODUCING TX. & N.M. INC. ≠ Permit: CALPINE NATURAL GAS L.P.
Resolved via: production → ALDINE OIL AND GAS, LP
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 (3) Elevation 529 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WILCOX | 4,540 ft | -4,011 ft |
| MIDDLE WILCOX (Wilcox) | 6,310 ft | -5,781 ft |
| LOBO 6 | 8,900 ft | -8,371 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 (3)
| Interval | Type |
|---|---|
| 7,916–7,926 ft | Perforated |
| 8,919–9,030 ft | Perforated |
| 8,919–9,030 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 60 ft | — |
| 9.625" | 1,003 ft | 380 sx |
| 7" | 7,230 ft | 520 sx |
Permit History (4)
Applications (4)
Records & Logs
6 completion filings on record · 2 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
- 58R
- Max Depth
- 10,000 ft
- Drill Type
- Vertical
- County
- WEBB
- District
- 4
- Operator
- MOBIL PRODUCING TX. & N.M. INC.
- Completed
- 1992-04-01
Operator
- Name
- SUPERIOR OIL CO, THE
- Location
- SPRING
- P-5 Status
- Active (filed 2025-06-04)
- Cum Oil (all leases)
- 181,898,111 bbl
- Cum Gas (all leases)
- 1,950,074,148 mcf
- Activities
- CSGD/G, GTHS/C, GTHS/G
- Total Permits
- 6,763