42-489-31203
Final CompletionYTURRIA
WILLACY County · District 4 · LA SARA OPERATING COMPANY LLC · LA SARA (NO. 40 SAND)
Permits
2
Max Depth
11,000 ft
First Permit
2008-05-21
Latest Activity
2015-01-23
Lifespan
7 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2008-06-17
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: LA SARA OPERATING COMPANY LLC ≠ Production: TEXAS OIL AND GAS OPERATING, LLC (reported 2025-10)
Resolved via: scheduling → LA SARA OPERATING COMPANY 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
2008-08
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 (3) Elevation 33 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| G3, LA SARA NW (3000) | 2,916 ft | -2,883 ft |
| G5B, LA SARA (4300) | 4,271 ft | -4,238 ft |
| YB1A, LA SARA NE (6070) | 6,066 ft | -6,033 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 (3)
| Interval | Type |
|---|---|
| 3,880–3,896 ft | Perforated |
| 9,892–9,904 ft | Perforated |
| 9,914–9,925 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,090 ft | — |
| 4.5" | 10,110 ft | — |
Permit History (2)
Applications (2)
Records & Logs
6 completion filings on record · 2 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
- 10
- Max Depth
- 11,000 ft
- Drill Type
- Vertical
- County
- WILLACY
- District
- 4
- Operator
- LA SARA OPERATING COMPANY LLC
- Completed
- 2008-06-17
Operator
- Name
- LA SARA OPER CO, LLC
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2015-08-07)
- Cum Oil (all leases)
- 84,348 bbl
- Cum Gas (all leases)
- 17,684 mcf
- Total Permits
- 13