42-135-40635
Final CompletionMILLIE C
ECTOR County · District 8 · FIREBIRD ENERGY LLC · SALLIE ANN (SPRABERRY-WOLFCAMP)
Permits
2
Max Depth
10,500 ft
First Permit
2010-11-04
Latest Activity
2018-08-24
Lifespan
8 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-12-27
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: FIREBIRD ENERGY LLC ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: FIREBIRD ENERGY LLC ≠ Permit: FDL OPERATING, LLC
Resolved via: production → DIAMONDBACK E&P 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
2011-06
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 2,922 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 5,094 ft | -2,172 ft |
| LOWER SPRABERRY (Spraberry) | 8,462 ft | -5,540 ft |
| WOLFCAMP | 9,105 ft | -6,183 ft |
| STRAWN | 11,008 ft | -8,086 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 7,865–9,873 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 375 ft | 150 sx |
| 8.625" | 4,830 ft | 1,200 sx |
| 5.5" | 10,128 ft | 765 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings on record · 2 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.
Well Details
- Well Number
- 2
- Max Depth
- 10,500 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FIREBIRD ENERGY LLC
- Completed
- 2011-12-27
Operator
- Name
- FIREBIRD ENGY LLC
- Location
- FORT WORTH
- P-5 Status
- Delinquent (filed 2023-04-26)
- Cum Oil (all leases)
- 10,133,635 bbl
- Cum Gas (all leases)
- 424,502 mcf
- Total Permits
- 152