42-461-33928
Final CompletionFIREFLY A
UPTON County · District 7 · DISCOVERY OPERATING INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,500 ft
First Permit
1998-03-26
Latest Activity
1998-03-26
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1998-06-24
Shut-In
—
Plugged
2023-08-04
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
1998-07
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 2,854 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,802 ft | -4,948 ft |
| DEAN | 8,700 ft | -5,846 ft |
| WOLFCAMP | 8,974 ft | -6,120 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 (4)
| Interval | Type |
|---|---|
| 9,771–9,834 ft | Perforated |
| 9,771–10,204 ft | Perforated |
| 10,052–10,088 ft | Perforated |
| 10,152–10,204 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 420 ft | 380 sx |
| 8.625" | 4,974 ft | 545 sx |
| 5.5" | 10,246 ft | 340 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 1
- Max Depth
- 10,500 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- DISCOVERY OPERATING INC.
- Completed
- 1998-06-24
Operator
- Name
- DISCOVERY OPER, INC
- Location
- MIDLAND
- P-5 Status
- Active (filed 2026-03-31)
- Cum Oil (all leases)
- 41,497,911 bbl
- Cum Gas (all leases)
- 33,774,384 mcf
- Activities
- GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 712