42-329-41276
PRODUCING HorizontalPRESTON 18H
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
2018-02-26
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 2,776 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 811 ft | +1,965 ft |
| YATES | 2,504 ft | +272 ft |
| SEVEN RIVERS | 2,811 ft | -35 ft |
| QUEEN | 3,482 ft | -706 ft |
| GRAYBURG | 4,055 ft | -1,279 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,216 ft | -1,440 ft |
| CLEARFORK (Clear Fork) | 6,379 ft | -3,603 ft |
| SPRABERRY | 7,247 ft | -4,471 ft |
| SPRABERRY UPPER-DEAN (Spraberry) | 8,626 ft | -5,850 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 |
|---|---|
| 9,198–19,220 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,458 ft | 1,397 sx |
| 9.625" | 6,407 ft | 954 sx |
| 5.5" | 19,253 ft | 2,581 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
- 8H
- Max Depth
- 11,050 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2018-02-26
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