42-135-35671
SHUT INTXL NORTH UNIT
ECTOR County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)
Permits
1
Max Depth
7,100 ft
First Permit
1987-10-22
Latest Activity
1987-10-22
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-05-04
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 | 1,479 ft | +1,826 ft |
| YATES | 2,734 ft | +571 ft |
| SEVEN RIVERS | 2,920 ft | +385 ft |
| QUEEN | 3,379 ft | -74 ft |
| SAN ANDRES | 4,093 ft | -788 ft |
| UPPER CLEARFORK 5600' (Clear Fork) | 5,374 ft | -2,069 ft |
| TUBB | 6,027 ft | -2,722 ft |
| LOWER CLEARFORK (Clear Fork) | 6,090 ft | -2,785 ft |
| WICHITA (Wichita-Albany) | 6,496 ft | -3,191 ft |
| BASE UNIT | 6,724 ft | -3,419 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 |
|---|---|
| 5,534–6,562 ft | Perforated |
| 5,613–6,357 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 14" | 40 ft | — |
| 8.625" | 1,491 ft | 750 sx |
| 5.5" | 6,800 ft | 2,065 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
- 444
- Max Depth
- 7,100 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 1997-05-04
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