Permits
1
Max Depth
10,046 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 2,741 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 761 ft | +1,980 ft |
| RUSTLER | 1,242 ft | +1,499 ft |
| YATES | 2,100 ft | +641 ft |
| SEVEN RIVERS | 2,284 ft | +457 ft |
| QUEEN | 3,026 ft | -285 ft |
| GRAYBURG | 3,243 ft | -502 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,447 ft | -706 ft |
| CLEARFORK (Clear Fork) | 5,218 ft | -2,477 ft |
| SPRABERRY | 6,519 ft | -3,778 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 ↗
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,189 ft | 1,230 sx |
| 9.625" | 5,355 ft | 1,640 sx |
| 5.5" | 24,286 ft | 1,590 sx |
Permit History (1)
Applications (1)
#912231 A PIONEER NATURAL RES. USA, INC.
received 2025-12-12
Records & Logs
1 completion filing on record · 1 with log images at RRC.
W-2/G-1 2026-05-13 log on file
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
Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in GLASSCOCK County.
Well Details
- Well Number
- 4H
- Max Depth
- 10,046 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 10
- 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
- 15,399