42-417-36680
Final CompletionNAIL RANCH 125
SHACKELFORD County · District 7 · CLAVO OIL LLC · ROARK (TANNEHILL)
Permits
1
Max Depth
1,750 ft
First Permit
1985-11-22
Latest Activity
1985-11-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-12-31
Shut-In
—
Plugged
2015-12-21
EWA / Permit operator mismatch
Scheduling: CLAVO OIL LLC ≠ Permit: ONE MADISON ENERGY, INC.
Resolved via: production → CLAVO OIL, 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
1993-01
Last Production
2026-07
Injection / Disposal
Permitted Volume
400 bbl/d
Max Pressure
660 psi
Injection Interval
1,339–1,347 ft
Injected (12mo)
—
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 1,580 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BLUFF CREEK | 1,339 ft | +241 ft |
| HOPE | 1,550 ft | +30 ft |
| GUNSIGHT | 1,673 ft | -93 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 |
|---|---|
| 1,339–1,347 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 1,750 ft | 440 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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.
No GPS coordinates yet
Well Details
- Well Number
- J11B
- Max Depth
- 1,750 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- CLAVO OIL LLC
- Completed
- 1985-12-31
Operator
- Name
- CLAVO OIL, LLC
- Location
- GRAHAM
- P-5 Status
- X (filed 2026-03-25)
- Cum Oil (all leases)
- 262,197 bbl
- Cum Gas (all leases)
- 92,225 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 59