42-173-39344
SHUT IN HorizontalTHUNDERBOLT EAST K 40-45
GLASSCOCK County · District 9 · DE CENTRAL OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
10,605 ft
First Permit
2025-10-17
Latest Activity
2025-10-17
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2026-01-27
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 2,675 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,675 ft |
| YATES | 1,921 ft | +754 ft |
| SEVEN RIVERS | 2,114 ft | +561 ft |
| QUEEN | 2,600 ft | +75 ft |
| GRAYBURG | 3,064 ft | -389 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,286 ft | -611 ft |
| GLORIETA | 4,155 ft | -1,480 ft |
| CLEARFORK (Clear Fork) | 5,159 ft | -2,484 ft |
| SPRABERRY | 6,326 ft | -3,651 ft |
| RUSTLER | — | — |
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 |
|---|---|---|
| 13.375" | 1,011 ft | 715 sx |
| 8.625" | 7,600 ft | 810 sx |
| 5.5" | 19,533 ft | 1,530 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 can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 4211H
- Max Depth
- 10,605 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 9
- Operator
- DE CENTRAL OPERATING LLC
- Completed
- 2026-01-27
Operator
- Name
- DE CENTRAL OPER, LLC
- Location
- FORT WORTH
- P-5 Status
- Active (filed 2025-12-16)
- Cum Oil (all leases)
- 16,050,090 bbl
- Cum Gas (all leases)
- 4,126 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 345