42-461-33081
Final CompletionPEMBROOK UNIT
UPTON County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,500 ft
First Permit
1990-11-05
Latest Activity
1990-11-05
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-02-06
Shut-In
—
Plugged
2020-10-28
EWA / Permit operator mismatch
Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: EXXON CORP.
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 (5) Elevation 2,741 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 6,340 ft | -3,599 ft |
| TOP UPPER SPRABERRY (Spraberry) | 7,204 ft | -4,463 ft |
| UPPER SPRABERRY (Spraberry) | 7,204 ft | -4,463 ft |
| LOWER SPRABERRY (Spraberry) | 7,639 ft | -4,898 ft |
| TOP LOWER SPRABERRY (Spraberry) | 7,639 ft | -4,898 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 |
|---|---|
| 7,205–7,478 ft | Perforated |
| 7,640–8,117 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 449 ft | 300 sx |
| 5" | 8,251 ft | 550 sx |
| 5" | 8,251 ft | 1,000 sx |
| 4.5" | — | 450 sx |
Permit History (1)
Applications (1)
Records & Logs
5 completion filings on record · 3 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
- 901A
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 1991-02-06
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
- 15,416