42-479-35239
Final CompletionSOUTH CALLAGHAN RANCH
WEBB County · District 4 · MOBIL PRODUCING TX. & N.M. INC. · CALLAGHAN N. (WILCOX LO.)
Permits
3
Max Depth
12,000 ft
First Permit
1991-05-28
Latest Activity
1993-10-07
Lifespan
2 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-09-07
Shut-In
—
Plugged
2012-08-01
EWA / Production operator mismatch
Scheduling: MOBIL PRODUCING TX. & N.M. INC. ≠ Production: CALPINE NATURAL GAS L.P. (reported 2003-06)
Resolved via: scheduling → MOBIL PRODUCING TX. & N.M. INC.
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
2012-07
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 536 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDDLE WILCOX (Wilcox) | 5,215 ft | -4,679 ft |
| LOBO 1 | 6,100 ft | -5,564 ft |
| LOBO 6 | 6,740 ft | -6,204 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 |
|---|---|
| 6,032–6,044 ft | Perforated |
| 6,177–6,189 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 60 ft | — |
| 9.625" | 3,985 ft | 1,400 sx |
| 7" | 7,431 ft | 630 sx |
Permit History (3)
Applications (3)
Records & Logs
4 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
- 47
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- WEBB
- District
- 4
- Operator
- MOBIL PRODUCING TX. & N.M. INC.
- Completed
- 1991-09-07
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