42-329-31449
Final CompletionPRESTON B
MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC
Permits
2
Max Depth
11,800 ft
First Permit
1984-12-04
Latest Activity
2015-12-18
Lifespan
31 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-10-04
Shut-In
—
Plugged
2023-08-11
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 (3) Elevation 2,729 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,095 ft | -4,366 ft |
| DEAN | 8,481 ft | -5,752 ft |
| WOLFCAMP | 8,674 ft | -5,945 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 |
|---|---|
| 8,498–8,715 ft | Perforated |
| 8,498–8,974 ft | Perforated |
| 8,755–8,974 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 448 ft | 450 sx |
| 13.375" | 448 ft | — |
| 9.625" | 5,600 ft | 2,300 sx |
| 9.625" | 5,600 ft | — |
| 5.5" | 9,098 ft | 900 sx |
| 5.5" | 9,098 ft | — |
Permit History (2)
Applications (3)
Records & Logs
5 completion filings on record.
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
- 29
- Max Depth
- 11,800 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 1985-10-04
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
- 15,435