42-135-35125
SHUT INTXL NORTH UNIT
ECTOR County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)
Permits
1
Max Depth
6,800 ft
First Permit
1985-10-30
Latest Activity
1985-10-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-10-06
Shut-In
—
Plugged
—
P-5 Org Status: X
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 (8) Elevation 3,260 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,482 ft | +1,778 ft |
| YATES | 2,826 ft | +434 ft |
| SEVEN RIVERS | 3,027 ft | +233 ft |
| QUEEN | 3,497 ft | -237 ft |
| SAN ANDRES | 4,248 ft | -988 ft |
| UPPER CLEARFORK (Clear Fork) | 5,725 ft | -2,465 ft |
| UPPER CLEAR FORK (5600) (Clear Fork) | 5,725 ft | -2,465 ft |
| TUBB | 6,262 ft | -3,002 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 |
|---|---|
| 5,501–6,119 ft | Perforated |
| 5,755–6,036 ft | Perforated |
| 6,065–6,470 ft | Perforated |
| 6,498–6,760 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 14" | 40 ft | — |
| 8.625" | 1,490 ft | 750 sx |
| 5.5" | 7,025 ft | 2,100 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 1 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
- 556
- Max Depth
- 6,800 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 2010-10-06
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
- 88