42-135-34919
Final CompletionTXL NORTH UNIT
ECTOR County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)
Permits
1
Max Depth
6,800 ft
First Permit
1985-04-04
Latest Activity
1985-04-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-06-25
Shut-In
—
Plugged
2008-07-10
EWA / Permit operator mismatch
Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: SHELL WESTERN E&P 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 (9) Elevation 3,278 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,468 ft | +1,810 ft |
| YATES | 2,738 ft | +540 ft |
| SEVEN RIVERS | 2,930 ft | +348 ft |
| QUEEN | 3,385 ft | -107 ft |
| QUEEN | 3,395 ft | -117 ft |
| SAN ANDRES | 4,097 ft | -819 ft |
| UPPER CF 5600' | 5,484 ft | -2,206 ft |
| UPPER CLEAR FORK (5600) (Clear Fork) | 5,484 ft | -2,206 ft |
| TUBB | 6,037 ft | -2,759 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 |
|---|---|
| 5,237–6,334 ft | Perforated |
| 5,537–6,334 ft | Perforated |
| 6,501–6,770 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 14" | 40 ft | — |
| 8.625" | 1,469 ft | 750 sx |
| 5.5" | 6,835 ft | 2,225 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record.
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
- 543
- Max Depth
- 6,800 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 1987-06-25
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
- 73