42-461-33998
Final CompletionPEMBROOK UNIT
UPTON County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,200 ft
First Permit
1999-08-25
Latest Activity
1999-08-25
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1999-10-29
Shut-In
—
Plugged
2025-04-08
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 2,712 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 6,282 ft | -3,570 ft |
| LOWER CLEARFORK (Clear Fork) | 6,693 ft | -3,981 ft |
| UPPER SPRABERRY (Spraberry) | 7,138 ft | -4,426 ft |
| HAZEL | 7,317 ft | -4,605 ft |
| M SPRABERRY | 7,744 ft | -5,032 ft |
| LOWER SPRABERRY (Spraberry) | 8,015 ft | -5,303 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 |
|---|---|
| 7,146–7,348 ft | Perforated |
| 7,734–7,951 ft | Perforated |
| 7,975–8,105 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 475 ft | 400 sx |
| 4.5" | 7,975 ft | 1,385 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
- 304
- Max Depth
- 8,200 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 1999-10-29
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
- 15,403