42-135-35344
PRODUCINGTXL NORTH UNIT
ECTOR County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)
Permits
1
Max Depth
6,920 ft
First Permit
1986-09-25
Latest Activity
1986-09-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2008-03-12
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 (12) Elevation 3,314 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,477 ft | +1,837 ft |
| YATES | 2,767 ft | +547 ft |
| SEVEN RIVERS | 2,959 ft | +355 ft |
| QUEEN | 3,423 ft | -109 ft |
| SAN ANDRES | 4,138 ft | -824 ft |
| U. CLEARFORK (5600) | 5,490 ft | -2,176 ft |
| UPPERCLEARFORK (5600) | 5,490 ft | -2,176 ft |
| TUBB | 6,066 ft | -2,752 ft |
| L. CLEARFORK | 6,111 ft | -2,797 ft |
| LOWER CLEARFORK (Clear Fork) | 6,111 ft | -2,797 ft |
| WICHITA (Wichita-Albany) | 6,580 ft | -3,266 ft |
| BASE UNIT | 6,840 ft | -3,526 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 (12)
| Interval | Type |
|---|---|
| 5,545–6,576 ft | Perforated |
| 5,545–6,611 ft | Perforated |
| 5,604–5,618 ft | Perforated |
| 5,643–5,654 ft | Perforated |
| 5,666–5,673 ft | Perforated |
| 5,796–5,809 ft | Perforated |
| 5,824–5,832 ft | Perforated |
| 5,884–5,890 ft | Perforated |
| 6,360–6,375 ft | Perforated |
| 6,520–6,532 ft | Perforated |
| 6,564–6,578 ft | Perforated |
| 6,605–6,611 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 40 ft | — |
| 8.625" | 1,485 ft | 750 sx |
| 5.5" | 6,885 ft | 1,640 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
- 541
- Max Depth
- 6,920 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 2008-03-12
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