42-329-33757
Final CompletionPRESTON SPRABERRY UNIT
MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,780 ft
First Permit
1997-05-20
Latest Activity
1997-05-20
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2018-01-29
Shut-In
—
Plugged
2021-08-18
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 (8) Elevation 2,728 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP UPPER SPRABERRY (Spraberry) | 7,043 ft | -4,315 ft |
| T. UPPER SPBY | 7,043 ft | -4,315 ft |
| T. LOWER SPBY | 7,758 ft | -5,030 ft |
| TOP LOWER SPRABERRY (Spraberry) | 7,758 ft | -5,030 ft |
| T. DEAN | 8,448 ft | -5,720 ft |
| TOP DEAN (Dean) | 8,448 ft | -5,720 ft |
| BASE DEAN (Dean) | 8,614 ft | -5,886 ft |
| B. DEAN | 8,614 ft | -5,886 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 |
|---|---|
| 7,047–7,257 ft | Perforated |
| 7,771–8,006 ft | Perforated |
| 8,447–8,663 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 359 ft | 320 sx |
| 5.5" | 8,780 ft | 1,350 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
- 4158A
- Max Depth
- 8,780 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2018-01-29
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
- 15,425