42-461-10323
Final CompletionMCELROY RANCH CO. -F-
UPTON County · District 7 · FIREBIRD ENERGY LLC · BLOCK 42 (WOLFCAMP)
Permits
1
Max Depth
9,450 ft
First Permit
2015-07-23
Latest Activity
2015-07-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2015-10-01
Shut-In
—
Plugged
2019-09-25
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: DEVON ENERGY PRODUCTION CO, L.P.
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
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 (5) Elevation 2,663 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,583 ft | +1,080 ft |
| YATES | 2,775 ft | -112 ft |
| MCELROY | 4,274 ft | -1,611 ft |
| STRAWN | 9,174 ft | -6,511 ft |
| ATOKA | 9,265 ft | -6,602 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 |
|---|---|
| 8,284–8,292 ft | Perforated |
| ?–9,283 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 4,350 ft | 1,125 sx |
| 4.5" | 9,479 ft | 650 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
- 21
- Max Depth
- 9,450 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- FIREBIRD ENERGY LLC
- Completed
- 2015-10-01
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