42-497-31471
Final CompletionDEAVER (CADDO CONGL) UNIT
WISE County · District 9 · SCHALK OIL COMPANY INC. · ALVORD (CADDO CONGLOMERATE)
Permits
1
Max Depth
6,200 ft
First Permit
1979-05-02
Latest Activity
1979-05-02
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1979-07-12
Shut-In
—
Plugged
2012-02-06
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
Injection / Disposal
Permitted Volume
500 bbl/d
Max Pressure
1,300 psi
Injection Interval
5,634–5,771 ft
Injected (12mo)
—
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 806 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CADDO LIME (Caddo) | 5,325 ft | -4,519 ft |
| CADDO CONGL (Caddo) | 5,367 ft | -4,561 ft |
| CADDO CONGL. (Caddo) | 5,367 ft | -4,561 ft |
| ATOKA CONGL (Atoka) | 5,632 ft | -4,826 ft |
| ATOKA CONGL. (Atoka) | 5,632 ft | -4,826 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 |
|---|---|
| 5,521–5,555 ft | Perforated |
| 5,634–5,771 ft | Perforated |
| 5,634–5,858 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 481 ft | 350 sx |
| 5.5" | 6,007 ft | 200 sx |
Permit History (1)
Applications (1)
Records & Logs
10 completion filings on record.
+4 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
- 5-9
- Max Depth
- 6,200 ft
- Drill Type
- Vertical
- County
- WISE
- District
- 9
- Operator
- SCHALK OIL COMPANY INC.
- Completed
- 1979-07-12
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