42-173-38302
PRODUCING HorizontalBIGBY NORTH A 10-3
GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,500 ft
First Permit
2020-01-30
Latest Activity
2020-01-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2020-09-08
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: DE3 OPERATING LLC
Resolved via: production → PIONEER NATURAL RES. USA, INC.
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
2020-08
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,624 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,624 ft |
| RUSTLER | 1,358 ft | +1,266 ft |
| YATES | 2,193 ft | +431 ft |
| SEVEN RIVERS | 2,445 ft | +179 ft |
| GLORIETA | 2,450 ft | +174 ft |
| QUEEN | 3,127 ft | -503 ft |
| GRAYBURG | 3,627 ft | -1,003 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,740 ft | -1,116 ft |
| CLEARFORK (Clear Fork) | 5,710 ft | -3,086 ft |
| SPRABERRY | 6,811 ft | -4,187 ft |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 9,178–16,659 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 421 ft | 425 sx |
| 9.625" | 8,185 ft | 640 sx |
| 5.5" | 16,795 ft | 2,420 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 2 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.
Well Details
- Well Number
- 4401H
- Max Depth
- 9,500 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2020-09-08
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
- 15,468