42-135-35725
SHUT INTXL NORTH UNIT
ECTOR County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)
Permits
1
Max Depth
7,100 ft
First Permit
1987-12-09
Latest Activity
1987-12-09
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2002-02-01
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 (10) Elevation 3,305 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,480 ft | +1,825 ft |
| YATES | 2,738 ft | +567 ft |
| SEVEN RIVERS | 2,928 ft | +377 ft |
| QUEEN | 3,387 ft | -82 ft |
| SAN ANDRES | 4,096 ft | -791 ft |
| UPPER CLEARFORK 5600' (Clear Fork) | 5,402 ft | -2,097 ft |
| TUBB | 6,073 ft | -2,768 ft |
| LOWER CLEARFORK (Clear Fork) | 6,140 ft | -2,835 ft |
| WICHITA (Wichita-Albany) | 6,539 ft | -3,234 ft |
| BASE UNIT | 6,752 ft | -3,447 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 (5)
| Interval | Type |
|---|---|
| 5,534–5,854 ft | Perforated |
| 5,552–5,854 ft | Perforated |
| 5,944–6,242 ft | Perforated |
| 6,404–6,730 ft | Perforated |
| 6,404–6,830 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 14" | 40 ft | — |
| 8.625" | 1,510 ft | 650 sx |
| 5.5" | 6,810 ft | 1,450 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 451
- Max Depth
- 7,100 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 2002-02-01
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
- 72