Permits
1
Max Depth
10,520 ft
First Permit
2026-01-12
Latest Activity
2026-01-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
Formation Tops (10) Elevation 2,692 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,219 ft | +473 ft |
| GRAYBURG | 3,746 ft | -1,054 ft |
| SAN ANDRES - SALTWATER FLOW (San Andres) | 3,948 ft | -1,256 ft |
| CLEARFORK (Clear Fork) | 5,937 ft | -3,245 ft |
| SPRABERRY | 6,792 ft | -4,100 ft |
| WOLFCAMP | 8,386 ft | -5,694 ft |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
| STRAWN | — | — |
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 ↗
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,188 ft | 1,240 sx |
| 9.625" | 5,144 ft | 1,675 sx |
| 5.5" | 24,856 ft | 1,690 sx |
Permit History (1)
Applications (1)
#912278 A PIONEER NATURAL RES. USA, INC.
received 2025-12-16
Records & Logs
1 completion filing on record · 1 with log images at RRC.
W-2/G-1 2026-08-07 log on file
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in UPTON County.
Well Details
- Well Number
- 4H
- Max Depth
- 10,520 ft
- Drill Type
- Horizontal
- County
- UPTON
- District
- 9
- Operator
- PIONEER NATURAL RES. USA, INC.
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
- 15,474