42-135-35670
SHUT INTXL NORTH UNIT
ECTOR County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)
Permits
1
Max Depth
7,100 ft
First Permit
1987-10-15
Latest Activity
1987-10-15
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-06-27
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 3,277 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,484 ft | +1,793 ft |
| YATES | 2,761 ft | +516 ft |
| SEVEN RIVERS | 2,952 ft | +325 ft |
| QUEEN | 3,421 ft | -144 ft |
| SAN ANDRES | 4,138 ft | -861 ft |
| UPPER CLEARFORK 5600' (Clear Fork) | 5,424 ft | -2,147 ft |
| TUBB | 6,080 ft | -2,803 ft |
| LOWER CLEARFORK (Clear Fork) | 6,135 ft | -2,858 ft |
| WICHITA (Wichita-Albany) | 6,492 ft | -3,215 ft |
| BASE UNIT | 6,774 ft | -3,497 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 |
|---|---|
| 5,599–6,622 ft | Perforated |
| 5,686–6,444 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 14" | 40 ft | — |
| 8.625" | 1,523 ft | 750 sx |
| 5.5" | 6,880 ft | 1,880 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
- 518
- Max Depth
- 7,100 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 1997-06-27
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