42-371-10045
HorizontalSIBLEY EFFIE POTTS -B-
PECOS County · District 8 · MOBIL PRODUCING TX. & N.M. INC. · COYANOSA (ELLENBURGER)
Permits
3
Max Depth
16,280 ft
First Permit
1997-09-15
Latest Activity
2006-08-04
Lifespan
9 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1963-01-06
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: MOBIL PRODUCING TX. & N.M. INC. ≠ Production: XTO ENERGY INC. (reported 2026-01)
EWA / Permit operator mismatch
Scheduling: MOBIL PRODUCING TX. & N.M. INC. ≠ Permit: ENCORE OPERATING, L.P.
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
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 2,680 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOLFCAMP | 9,055 ft | -6,375 ft |
| BARNETT | 10,833 ft | -8,153 ft |
| BURNETT | 10,833 ft | -8,153 ft |
| MISSISSIPPPIAN | 10,947 ft | -8,267 ft |
| MISSISSIPPIAN | 10,949 ft | -8,269 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 |
|---|---|
| 10,987–12,641 ft | Perforated |
| 10,987–12,641 ft | Open hole |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 1,885 ft | 2,800 sx |
| 13.375" | 9,050 ft | 7,650 sx |
| 9.625" | 10,966 ft | 3,165 sx |
| 2.375" | 11,685 ft | — |
| 2.375" | 14,986 ft | — |
| 7" | 15,000 ft | 870 sx |
Permit History (3)
Applications (3)
Records & Logs
7 completion filings on record · 2 with log images at RRC.
+1 more filings
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1H
- Max Depth
- 16,280 ft
- Drill Type
- Horizontal
- County
- PECOS
- District
- 8
- Operator
- MOBIL PRODUCING TX. & N.M. INC.
- Completed
- 1963-01-06
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