42-329-34053
Final CompletionPRESTON SPRABERRY UNIT
MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,000 ft
First Permit
1998-02-20
Latest Activity
1998-02-20
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1998-05-14
Shut-In
—
Plugged
2020-03-11
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 (4) Elevation 2,722 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP UPPER SPRABERRY (Spraberry) | 7,092 ft | -4,370 ft |
| TOP LOWER SPRABERRY (Spraberry) | 7,981 ft | -5,259 ft |
| TOP DEAN (Dean) | 8,452 ft | -5,730 ft |
| BASE DEAN (Dean) | 8,724 ft | -6,002 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 |
|---|---|
| 7,114–7,290 ft | Perforated |
| 7,985–8,019 ft | Perforated |
| 8,473–8,721 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 380 ft | 330 sx |
| 4.5" | 8,889 ft | 800 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4220A
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 1998-05-14
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
- 15,425