42-173-39289
PRODUCING HorizontalDRIVER B37 10-15K
GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,527 ft
First Permit
2025-05-22
Latest Activity
2025-05-22
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2025-12-10
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
2025-08
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 (14) Elevation 2,748 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 850 ft | +1,898 ft |
| RUSTLER | 1,446 ft | +1,302 ft |
| YATES | 2,351 ft | +397 ft |
| SEVEN RIVERS | 2,616 ft | +132 ft |
| QUEEN | 3,293 ft | -545 ft |
| QUEEN | 3,294 ft | -546 ft |
| SEVEN RIVERS | 3,294 ft | -546 ft |
| GRAYBURG | 3,777 ft | -1,029 ft |
| GRAYBURG | 3,778 ft | -1,030 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,969 ft | -1,221 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,970 ft | -1,222 ft |
| CLEARFORK (Clear Fork) | 6,058 ft | -3,310 ft |
| SPRABERRY | 6,974 ft | -4,226 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 |
|---|---|
| 8,793–19,123 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,286 ft | 1,650 sx |
| 9.625" | 5,193 ft | 1,380 sx |
| 5.5" | 19,148 ft | 1,060 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 311H
- Max Depth
- 10,527 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2025-12-10
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