42-417-36781
Final CompletionNAIL 125 J-20
SHACKELFORD County · District 7 · O LEARY S OIL & GAS INC. · ROARK (TANNEHILL)
Permits
1
Max Depth
2,000 ft
First Permit
1986-02-04
Latest Activity
1986-02-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-03-24
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: O LEARY S OIL & GAS INC. ≠ Production: CLAVO OIL, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: O LEARY S OIL & GAS INC. ≠ 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
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 (2) Elevation 1,572 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BLUFF CREEK | 1,324 ft | +248 ft |
| FLIPPEN | 1,373 ft | +199 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 |
|---|---|
| 1,373–1,380 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 162 ft | 100 sx |
| 4.5" | 1,472 ft | 200 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- J20B
- Max Depth
- 2,000 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- O LEARY S OIL & GAS INC.
- Completed
- 1986-03-24
Operator
- Location
- ARCADIA
- P-5 Status
- Inactive (filed 2001-09-27)
- Cum Oil (all leases)
- 29,750 bbl
- Cum Gas (all leases)
- 13,104 mcf
- Total Permits
- 6