42-389-41174
PRODUCING HorizontalBASILISK 56-3-43 UNIT
REEVES County · District 8 · ANADARKO E&P ONSHORE LLC · PHANTOM (WOLFCAMP)
Permits
2
Max Depth
13,000 ft
First Permit
2024-04-29
Latest Activity
2024-04-29
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2025-05-07
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
2025-05
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 2,855 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BELL CANYON | 3,470 ft | -615 ft |
| DELAWARE | 3,470 ft | -615 ft |
| DELAWARE CONSOLIDATED GAS (Delaware) | 3,492 ft | -637 ft |
| FORD / DELAWARE (Delaware) | 3,637 ft | -782 ft |
| CHERRY CANYON | 4,463 ft | -1,608 ft |
| BONE SPRING | 7,297 ft | -4,442 ft |
| 2ND BONE SPRING LIME (Bone Spring) | 8,569 ft | -5,714 ft |
| 3RD BONE SPRING LIME (Bone Spring) | 9,385 ft | -6,530 ft |
| CASTILLE (Castile) | — | — |
| PERMIAN (UNDEFINED) (Permian (undifferentiated)) | — | — |
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 |
|---|---|
| 11,154–21,257 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,998 ft | 1,885 sx |
| 7.625" | 10,650 ft | 2,508 sx |
| 5.5" | 21,365 ft | 830 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
- 21H
- Max Depth
- 13,000 ft
- Drill Type
- Horizontal
- County
- REEVES
- District
- 8
- Operator
- ANADARKO E&P ONSHORE LLC
- Completed
- 2025-05-07
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-10-22)
- Cum Oil (all leases)
- 387,142,235 bbl
- Cum Gas (all leases)
- 2,848,451,983 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 4,518