42-103-33089
Final CompletionSAND HILLS TUBB UNIT
CRANE County · District 8 · FORMENTERA OPERATIONS LLC · SAND HILLS (TUBB)
Permits
4
Max Depth
5,000 ft
First Permit
1983-01-18
Latest Activity
1991-10-30
Lifespan
9 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-04-24
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
Resolved via: production → FORMENTERA OPERATIONS LLC
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 (6) Elevation 2,625 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MCELROY | 2,348 ft | +277 ft |
| SAN ANDRES | 2,680 ft | -55 ft |
| JUDKINS | 2,738 ft | -113 ft |
| MCKNIGHT | 3,120 ft | -495 ft |
| SAN ANGELO | 3,463 ft | -838 ft |
| TUBB | 4,330 ft | -1,705 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 (4)
| Interval | Type |
|---|---|
| 3,218–3,454 ft | Perforated |
| 4,130–4,278 ft | Perforated |
| 4,340–4,712 ft | Perforated |
| 4,341–4,759 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 596 ft | 400 sx |
| 8.625" | 596 ft | — |
| 2.375" | 4,503 ft | — |
| 5.5" | 4,900 ft | 1,000 sx |
| 5.5" | 4,900 ft | — |
Permit History (4)
LEA, R.J. A/C 2 · 3,500 ft
1991-10-30
Spud 1991-12-02
SAND HILLS TUBB UNIT · 4,900 ft
1990-03-30
LEA, P. J. · 4,900 ft
1984-02-29
SAND HILLS TUBB UNIT · 5,000 ft
1983-01-18
Applications (5)
Records & Logs
5 completion filings on record · 3 with log images at RRC.
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
- 54
- Max Depth
- 5,000 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 1990-04-24
Operator
- Location
- AUSTIN
- P-5 Status
- X (filed 2026-06-11)
- Cum Oil (all leases)
- 7,170,117 bbl
- Cum Gas (all leases)
- 53,235,974 mcf
- Activities
- CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 83