42-389-41688
HorizontalSANDY LYLE UNIT 44
REEVES County · District 8 · GREENLAKE ENERGY OPERATING LLC · PHANTOM (WOLFCAMP)
Permits
2
Max Depth
11,500 ft
First Permit
2025-04-04
Latest Activity
2025-04-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2025-06-19
Shut-In
—
Plugged
—
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
2025-06
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 (12) Elevation 2,795 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LAMAR | 3,390 ft | -595 ft |
| BELL CANYON | 6,156 ft | -3,361 ft |
| BRUSHY CANYON | 6,156 ft | -3,361 ft |
| CHERRY CANYON | 7,227 ft | -4,432 ft |
| BONE SPRING | 9,192 ft | -6,397 ft |
| 3RD BONE SPRING (Bone Spring) | 9,765 ft | -6,970 ft |
| WOLFCAMP | 10,260 ft | -7,465 ft |
| CASTILLE (Castile) | — | — |
| DELAWARE | — | — |
| DELAWARE CONSOLIDATED GAS (Delaware) | — | — |
| FORD / DELAWARE (Delaware) | — | — |
| 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 (2)
| Interval | Type |
|---|---|
| 10,727–15,685 ft | Perforated |
| 16,867–21,820 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 3,448 ft | 1,455 sx |
| 8.625" | 10,353 ft | 630 sx |
| 5.5" | 21,915 ft | 2,072 sx |
Permit History (2)
Applications (2)
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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 4001U
- Max Depth
- 11,500 ft
- Drill Type
- Horizontal
- County
- REEVES
- District
- 8
- Operator
- GREENLAKE ENERGY OPERATING LLC
- Completed
- 2025-06-19
Operator
- Location
- AUSTIN
- P-5 Status
- Active (filed 2026-05-01)
- Cum Oil (all leases)
- 6,983,330 bbl
- Cum Gas (all leases)
- 39,453,738 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 163