42-173-38822
SHUT IN HorizontalWTH 20-8 B
GLASSCOCK County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,740 ft
First Permit
2022-09-19
Latest Activity
2022-09-19
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2024-01-23
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: DIAMONDBACK E&P LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.
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
2023-01
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 2,573 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 840 ft | +1,733 ft |
| RUSTLER | 1,324 ft | +1,249 ft |
| YATES | 2,200 ft | +373 ft |
| SEVEN RIVERS | 2,640 ft | -67 ft |
| QUEEN | 3,380 ft | -807 ft |
| GRAYBURG | 3,875 ft | -1,302 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,018 ft | -1,445 ft |
| GLORIETA | 4,795 ft | -2,222 ft |
| CLEARFORK (Clear Fork) | 6,148 ft | -3,575 ft |
| SPRABERRY | 7,037 ft | -4,464 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 |
|---|---|
| 9,025–21,956 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 17.5" | 1,090 ft | 890 sx |
| 13.375" | 1,090 ft | 890 sx |
| 12.25" | 8,228 ft | 920 sx |
| 9.625" | 8,228 ft | 920 sx |
| 8.5" | 22,089 ft | 1,890 sx |
| 5.5" | 22,089 ft | 1,890 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
- 11,740 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2024-01-23
Operator
- Name
- DIAMONDBACK E&P LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-05-04)
- Cum Oil (all leases)
- 986,290,193 bbl
- Cum Gas (all leases)
- 41,995,553 mcf
- Activities
- GTHS/C, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 4,969