42-197-31206
Final CompletionLASATER UNIT
HARDEMAN County · District 9 · RATLIFF OPERATING CORP. · QUANAH (CHAPPEL 8295)
Permits
3
Max Depth
9,000 ft
First Permit
1992-03-11
Latest Activity
1992-09-16
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1992-06-21
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: RATLIFF OPERATING CORP. ≠ Production: SUTHERLAND ENERGY CO., LLC (reported 2026-04)
Resolved via: production → SUTHERLAND ENERGY CO., 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 (6) Elevation 1,445 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| PALO PINTO SD (Palo Pinto) | 5,812 ft | -4,367 ft |
| SOUTH DAKOTA | 6,220 ft | -4,775 ft |
| MORROW | 7,526 ft | -6,081 ft |
| HOT BARNETT | 8,210 ft | -6,765 ft |
| MERAMEC LM | 8,451 ft | -7,006 ft |
| CHAPPEL | 8,572 ft | -7,127 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 (2)
| Interval | Type |
|---|---|
| 5,820–5,830 ft | Perforated |
| 8,486–8,858 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 71 ft | 285 sx |
| 8.625" | 541 ft | 285 sx |
| 5.5" | 8,486 ft | 125 sx |
| 8.625" | — | — |
| 5.5" | — | 250 sx |
Permit History (3)
Applications (4)
Records & Logs
4 completion filings on record · 3 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
- 1
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- HARDEMAN
- District
- 9
- Operator
- RATLIFF OPERATING CORP.
- Completed
- 1992-06-21
Operator
- Name
- RATLIFF OPER CORP
- Location
- AMARILLO
- P-5 Status
- Inactive (filed 2025-04-11)
- Cum Oil (all leases)
- 773,280 bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 35