42-389-41930
SHUT IN HorizontalBIG BABY A
REEVES County · District 10 · PERMIAN RESOURCES OPERATING LLC · PHANTOM (WOLFCAMP)
Permits
2
Max Depth
12,000 ft
First Permit
2025-10-31
Latest Activity
2025-10-31
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2026-01-11
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
2026-01
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 2,638 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,779 ft | +859 ft |
| SALADO | 2,480 ft | +158 ft |
| LAMAR | 4,388 ft | -1,750 ft |
| BELL CANYON | 4,437 ft | -1,799 ft |
| CHERRY CANYON | 5,380 ft | -2,742 ft |
| BRUSHY CANYON | 6,540 ft | -3,902 ft |
| CASTILLE (Castile) | — | — |
| DELAWARE | — | — |
| DELAWARE CONSOLIDATED GAS (Delaware) | — | — |
| FORD / DELAWARE (Delaware) | — | — |
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).
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,221 ft | 995 sx |
| 7.625" | 11,002 ft | 1,050 sx |
| 5.5" | 26,804 ft | 1,675 sx |
Permit History (2)
Applications (2)
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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 331H
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- REEVES
- District
- 10
- Operator
- PERMIAN RESOURCES OPERATING LLC
- Completed
- 2026-01-11
Operator
- Location
- MIDLAND
- P-5 Status
- Active (filed 2025-11-25)
- Cum Oil (all leases)
- 86,780,437 bbl
- Cum Gas (all leases)
- 356,517,521 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 554