42-135-35691
PRODUCINGTXL NORTH UNIT
ECTOR County · District 8 · FORMENTERA OPERATIONS LLC · TXL (TUBB)
Permits
1
Max Depth
7,100 ft
First Permit
1987-11-09
Latest Activity
1987-11-09
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1988-02-28
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 3,261 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,500 ft | +1,761 ft |
| YATES | 2,843 ft | +418 ft |
| SEVEN RIVERS | 3,038 ft | +223 ft |
| QUEEN | 3,520 ft | -259 ft |
| SAN ANDRES | 4,262 ft | -1,001 ft |
| UPPER CLEARFORK 5600' (Clear Fork) | 5,592 ft | -2,331 ft |
| TUBB | 6,282 ft | -3,021 ft |
| LOWER CLEARFORK (Clear Fork) | 6,352 ft | -3,091 ft |
| WICHITA (Wichita-Albany) | 6,760 ft | -3,499 ft |
| BASE UNIT | 6,942 ft | -3,681 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 |
|---|---|
| 5,826–6,457 ft | Perforated |
| 6,572–6,906 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 40 ft | — |
| 8.625" | 1,498 ft | 750 sx |
| 5.5" | 7,033 ft | 2,370 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 490
- Max Depth
- 7,100 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 1988-02-28
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