42-211-31753
Final CompletionDETRIXHE
HEMPHILL County · District 10 · ATLAS OPERATING LLC · FELDMAN S. E. (TONKAWA)
Permits
1
Max Depth
8,200 ft
First Permit
1985-02-26
Latest Activity
1985-02-26
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-07-26
Shut-In
—
Plugged
2023-04-12
EWA / Production operator mismatch
Scheduling: ATLAS OPERATING LLC ≠ Production: KAISER-FRANCIS OIL COMPANY (reported 2020-09)
EWA / Permit operator mismatch
Scheduling: ATLAS OPERATING LLC ≠ Permit: KAISER-FRANCIS OIL COMPANY
Resolved via: scheduling → ATLAS OPERATING 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
2023-04
Operator History
originally filed by KAISER-FRANCIS OIL COMPANY — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (6) Elevation 2,442 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CHASE | 3,970 ft | -1,528 ft |
| COUNCIL GROVE | 5,392 ft | -2,950 ft |
| HOWARD LIME | 5,787 ft | -3,345 ft |
| PENN SHALE (Pennsylvanian) | 5,991 ft | -3,549 ft |
| DOUGLAS | 7,239 ft | -4,797 ft |
| TONKAWA | 7,968 ft | -5,526 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 (3)
| Interval | Type |
|---|---|
| 8,016–8,042 ft | Perforated |
| 8,051–8,065 ft | Perforated |
| 8,073–8,092 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 800 ft | 725 sx |
| 4.5" | 8,200 ft | 200 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 1066
- Max Depth
- 8,200 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- ATLAS OPERATING LLC
- Completed
- 1986-07-26
Operator
- Name
- ATLAS OPER LLC
- Location
- HOUSTON
- P-5 Status
- H (filed 2026-03-09)
- Cum Oil (all leases)
- 7,184,429 bbl
- Cum Gas (all leases)
- 10,995,911 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 78