42-383-41421
PRODUCING HorizontalSTUDLEY CKO EAST K 29-22
REAGAN County · District 7 · DE CENTRAL OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,605 ft
First Permit
2023-06-23
Latest Activity
2023-06-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2024-01-20
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: DE CENTRAL OPERATING LLC ≠ Permit: DE IV OPERATING, LLC
Resolved via: production → DE CENTRAL OPERATING, 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
2023-09
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 (8) Elevation 2,565 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN | 2,324 ft | +241 ft |
| GRAYBURG | 2,683 ft | -118 ft |
| SAN ANDRES - SALTWATER FLOW, POS (San Andres) | 2,851 ft | -286 ft |
| CLEARFORK (Clear Fork) | 4,709 ft | -2,144 ft |
| SPRABERRY | 5,740 ft | -3,175 ft |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
| STRAWN | — | — |
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 |
|---|---|
| 7,938–20,868 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 504 ft | 525 sx |
| 9.625" | 7,194 ft | 1,260 sx |
| 5.5" | 20,976 ft | 2,466 sx |
Permit History (1)
Applications (1)
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
- 4311H
- Max Depth
- 10,605 ft
- Drill Type
- Horizontal
- County
- REAGAN
- District
- 7
- Operator
- DE CENTRAL OPERATING LLC
- Completed
- 2024-01-20
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
- 351