42-329-32032
Final CompletionULVESTAD
MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,550 ft
First Permit
1988-07-28
Latest Activity
1988-07-28
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2024-01-19
Shut-In
—
Plugged
2026-04-05
EWA / Permit operator mismatch
Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: PARKER & PARSLEY PETROLEUM CO.
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 2,803 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRABERRY (Spraberry) | 7,850 ft | -5,047 ft |
| LOWER SPRABERRY (Spraberry) | 8,476 ft | -5,673 ft |
| DEAN | 9,170 ft | -6,367 ft |
| TOP DEAN (Dean) | 9,170 ft | -6,367 ft |
| BASE DEAN (Dean) | 9,394 ft | -6,591 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 |
|---|---|
| 7,852–8,094 ft | Perforated |
| 8,544–8,842 ft | Perforated |
| 9,186–9,494 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 255 ft | 350 sx |
| 8.625" | 4,460 ft | 250 sx |
| 4.5" | 9,550 ft | 1,250 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
- 1
- Max Depth
- 9,550 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2024-01-19
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