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WILLACY County · District 4 · TEXAS OIL AND GAS OPERATING LLC · LA SARA (31-A SAND)
Permits
3
Max Depth
7,000 ft
First Permit
2011-08-02
Latest Activity
2015-01-15
Lifespan
3 yrs
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-07-01
Shut-In
—
Plugged
—
P-5 Org Status: Delinquent
EWA / Production operator mismatch
Scheduling: TEXAS OIL AND GAS OPERATING LLC ≠ Production: LA SARA OPERATING COMPANY, LLC (reported 2015-01)
EWA / Permit operator mismatch
Scheduling: TEXAS OIL AND GAS OPERATING LLC ≠ Permit: LA SARA OPERATING COMPANY, LLC
Resolved via: scheduling → TEXAS OIL AND GAS OPERATING 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
2011-08
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 (4) Elevation 39 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| G7 | 4,988 ft | -4,949 ft |
| G8 | 5,523 ft | -5,484 ft |
| YB3 | 6,584 ft | -6,545 ft |
| YB-3B | 6,584 ft | -6,545 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 (6)
| Interval | Type |
|---|---|
| 5,310–5,315 ft | Perforated |
| 5,445–5,455 ft | Perforated |
| 5,524–5,550 ft | Perforated |
| 5,616–5,630 ft | Perforated |
| 6,042–6,056 ft | Perforated |
| 6,584–6,596 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,100 ft | 520 sx |
| 5.5" | 6,960 ft | 800 sx |
Permit History (3)
Applications (3)
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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 7
- Max Depth
- 7,000 ft
- Drill Type
- Vertical
- County
- WILLACY
- District
- 4
- Operator
- TEXAS OIL AND GAS OPERATING LLC
- Completed
- 2014-07-01
Operator
- Location
- FRIENDSWOOD
- P-5 Status
- Delinquent (filed 2025-08-06)
- Cum Oil (all leases)
- 122,675 bbl
- Cum Gas (all leases)
- 25,710 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 7