42-135-05000
Final Completion DirectionalRATLIFF SALLIE W.
ECTOR County · District 8 · SLANT OPERATING LLC · HEADLEE N. (DEVONIAN)
Permits
6
Max Depth
13,750 ft
First Permit
1990-06-27
Latest Activity
2025-04-16
Lifespan
35 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2024-01-21
Shut-In
—
Plugged
—
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 (5) Elevation 2,997 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| PENN (Pennsylvanian) | 10,686 ft | -7,689 ft |
| PENNSYLVANIAN | 10,686 ft | -7,689 ft |
| DEV | 11,733 ft | -8,736 ft |
| DEVONIAN | 11,733 ft | -8,736 ft |
| ELLENBURGER | 13,450 ft | -10,453 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 ↗
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 (4)
| Interval | Type |
|---|---|
| 9,890–10,998 ft | Perforated |
| 10,795–10,815 ft | Perforated |
| 12,006–12,118 ft | Perforated |
| 12,249–12,499 ft | Perforated |
Casing (7)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 353 ft | 375 sx |
| 13.375" | 353 ft | — |
| 9.625" | 4,910 ft | 2,100 sx |
| 9.625" | 4,910 ft | — |
| 7.625" | 9,460 ft | 575 sx |
| 7.625" | 9,460 ft | — |
| 7.625" | 9,480 ft | — |
Permit History (6)
RATLIFF, SALLIE W · 13,700 ft
2025-04-16
Spud 2024-11-07
RATLIFF, SALLIE W. · 13,700 ft
2017-05-16
RATLIFF, SALLIE W. · 11,000 ft
1999-10-04
RATLIFF, SALLIE W. · 13,750 ft
1997-08-26
RATLIFF, SALLIE W. · 11,800 ft
1990-06-27
Spud 1990-06-30
RATLIFF, SALLIE W. · 11,800 ft
1990-06-27
Applications (6)
Records & Logs
6 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
- 4X
- Max Depth
- 13,750 ft
- Drill Type
- Directional
- County
- ECTOR
- District
- 8
- Operator
- SLANT OPERATING LLC
- Completed
- 2024-01-21
Operator
- Name
- SLANT OPER, LLC
- Location
- LAFAYETTE
- P-5 Status
- Active (filed 2026-02-10)
- Cum Oil (all leases)
- 6,429,538 bbl
- Cum Gas (all leases)
- 15,539,224 mcf
- Activities
- CSGD/P, G/PUR, GTHS/G, OPRS/O
- Total Permits
- 193