42-329-43212
Final Completion HorizontalHALL-PORTER 621-596 B
MIDLAND County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2019-03-15
Latest Activity
2019-03-15
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2020-03-11
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)
Resolved via: production → DIAMONDBACK E&P LLC
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
2019-09
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 2,713 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,713 ft |
| YATES | 1,250 ft | +1,463 ft |
| SEVEN RIVERS | 1,300 ft | +1,413 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 1,850 ft | +863 ft |
| GLORIETA | 2,700 ft | +13 ft |
| CLEARFORK (Clear Fork) | 3,400 ft | -687 ft |
| QUEEN | 3,700 ft | -987 ft |
| GRAYBURG | 3,900 ft | -1,187 ft |
| SPRABERRY | 7,609 ft | -4,896 ft |
| SPRABERRY UPPER-DEAN (Spraberry) | 9,015 ft | -6,302 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 |
|---|---|
| 9,616–19,606 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,311 ft | 844 sx |
| 10.75" | 6,949 ft | 1,110 sx |
| 5.5" | 19,735 ft | 1,924 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
- 221
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- ENDEAVOR ENERGY RESOURCES L.P.
- Completed
- 2020-03-11
Operator
- Location
- MIDLAND
- P-5 Status
- Active (filed 2026-06-12)
- Cum Oil (all leases)
- 507,205,629 bbl
- Cum Gas (all leases)
- 70,424,421 mcf
- Total Permits
- 6,190