42-497-31041
Final CompletionMALONE (CADDO CONGLOMERATE) UNIT
WISE County · District 9 · SCHALK OIL COMPANY INC. · ALVORD (CADDO CONGLOMERATE)
Permits
1
Max Depth
6,400 ft
First Permit
1977-09-12
Latest Activity
1977-09-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1978-03-30
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: SCHALK OIL COMPANY INC. ≠ Permit: MITCHELL ENERGY CORPORATION
Resolved via: production → SCHALK OIL COMPANY, INC.
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 (4) Elevation 820 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CADDO LIME (Caddo) | 5,450 ft | -4,630 ft |
| CADDO CONG. (Caddo) | 5,506 ft | -4,686 ft |
| CADDO CONGL. (Caddo) | 5,506 ft | -4,686 ft |
| ATOKA CONGL. (Atoka) | 5,727 ft | -4,907 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 |
|---|---|
| 5,639–5,645 ft | Perforated |
| ?–5,645 ft | Perforated |
| ?–5,745 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 403 ft | 325 sx |
| 5.5" | 5,947 ft | 200 sx |
Permit History (1)
Applications (1)
Records & Logs
8 completion filings on record.
+2 more filings
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
- 6,400 ft
- Drill Type
- Vertical
- County
- WISE
- District
- 9
- Operator
- SCHALK OIL COMPANY INC.
- Completed
- 1978-03-30
Operator
- Name
- SCHALK OIL CO, INC
- Location
- WICHITA FAL, LS
- P-5 Status
- Active (filed 2026-06-03)
- Cum Oil (all leases)
- 5,257,523 bbl
- Cum Gas (all leases)
- 4,978 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 184