42-417-38083
Final CompletionNAIL RANCH 41B
SHACKELFORD County · District 7 · DAYLIGHT PETROLEUM LLC · JUMPSTART (LOWER FRYE)
Permits
1
Max Depth
2,000 ft
First Permit
1996-10-21
Latest Activity
1996-10-21
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1996-11-29
Shut-In
—
Plugged
2016-06-29
EWA / Permit operator mismatch
Scheduling: DAYLIGHT PETROLEUM LLC ≠ Permit: L.C.S. PRODUCTION COMPANY
Resolved via: production → DAYLIGHT PETROLEUM 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
1996-05
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 (3) Elevation 1,487 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LOWER FRYE | 884 ft | +603 ft |
| STOCKWETHER | 916 ft | +571 ft |
| COOK | 1,100 ft | +387 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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 891–894 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 1,155 ft | 170 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 12S
- Max Depth
- 2,000 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- DAYLIGHT PETROLEUM LLC
- Completed
- 1996-11-29
Operator
- Name
- DAYLIGHT PETRO LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-04-07)
- Cum Oil (all leases)
- 2,142,014 bbl
- Cum Gas (all leases)
- 8,381,191 mcf
- Activities
- CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 7