42-125-30823
INJECTIONHERRERA UNIT
DICKENS County · District 8 · SCHALK OIL COMPANY INC. · SOLDIER MOUND (TANNEHILL)
Permits
1
Max Depth
5,200 ft
First Permit
2002-10-31
Latest Activity
2002-10-31
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2009-05-15
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2003-12
Last Production
2026-07
Injection / Disposal
Permitted Volume
2,000 bbl/d
Max Pressure
2,350 psi
Injection Interval
4,790–5,010 ft
Injected (12mo)
134,054 bbl
Monthly injected volume (bbl, from H-10 filings through 2026-04-01)
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 2,310 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STOCKWETHER | 4,794 ft | -2,484 ft |
| CROTON | 4,868 ft | -2,558 ft |
| TANNEHILL | 4,930 ft | -2,620 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 (5)
| Interval | Type |
|---|---|
| 4,936–4,946 ft | Perforated |
| 4,977–4,979 ft | Perforated |
| 4,982–4,984 ft | Perforated |
| 4,994–4,998 ft | Perforated |
| 5,001–5,003 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 250 ft | 250 sx |
| 8.625" | 833 ft | 240 sx |
| 5.5" | 5,014 ft | 300 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record.
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
- 5,200 ft
- Drill Type
- Vertical
- County
- DICKENS
- District
- 8
- Operator
- SCHALK OIL COMPANY INC.
- Completed
- 2009-05-15
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