42-173-32539
Final CompletionSPRABERRY DRIVER UNIT
GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,450 ft
First Permit
1995-07-17
Latest Activity
1995-07-17
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2019-07-03
Shut-In
—
Plugged
2021-05-24
EWA / Permit operator mismatch
Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: PARKER & PARSLEY DEVELOPMENT L.P
Resolved via: production → PIONEER NATURAL RES. USA, INC.
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 (6) Elevation 2,709 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP UPPER SPRABERRY (Spraberry) | 6,384 ft | -3,675 ft |
| TOP OF UPPER SPRABERRY (Spraberry) | 6,834 ft | -4,125 ft |
| TOP LOWER SPRABERRY (Spraberry) | 7,555 ft | -4,846 ft |
| TOP OF LOWER SPRABERRY (Spraberry) | 7,555 ft | -4,846 ft |
| TOP DEAN (Dean) | 8,214 ft | -5,505 ft |
| TOP OF DEAN (Dean) | 8,214 ft | -5,505 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 |
|---|---|
| 6,866–7,184 ft | Perforated |
| 7,571–7,786 ft | Perforated |
| 8,227–8,516 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 400 ft | 400 sx |
| 4.5" | 8,642 ft | 1,700 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 121A
- Max Depth
- 8,450 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2019-07-03
Operator
- Location
- Y SPRING
- P-5 Status
- Active (filed 2025-08-01)
- Cum Oil (all leases)
- 1,771,882,421 bbl
- Cum Gas (all leases)
- 1,763,727,021 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 15,401