42-329-41280
PRODUCING HorizontalPRESTON 18L
MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC
Permits
1
Max Depth
11,050 ft
First Permit
2016-10-20
Latest Activity
2016-10-20
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-02-28
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2018-02
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,778 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 801 ft | +1,977 ft |
| YATES | 2,503 ft | +275 ft |
| SEVEN RIVERS | 2,800 ft | -22 ft |
| QUEEN | 3,467 ft | -689 ft |
| GRAYBURG | 4,033 ft | -1,255 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,189 ft | -1,411 ft |
| CLEARFORK (Clear Fork) | 6,367 ft | -3,589 ft |
| SPRABERRY | 7,232 ft | -4,454 ft |
| SPRABERRY UPPER-DEAN (Spraberry) | 8,613 ft | -5,835 ft |
| GLORIETA | — | — |
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 (1)
| Interval | Type |
|---|---|
| 9,242–19,106 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,455 ft | 1,397 sx |
| 9.625" | 6,431 ft | 972 sx |
| 5.5" | 19,197 ft | 2,115 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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
- 12H
- Max Depth
- 11,050 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2018-02-28
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