42-135-38882
Final CompletionEDWARDS
ECTOR County · District 8 · SCHALK OIL COMPANY INC. · DOUBLE -H- (GRAYBURG)
Permits
2
Max Depth
6,000 ft
First Permit
2005-04-18
Latest Activity
2005-04-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2005-12-31
Shut-In
—
Plugged
2020-01-21
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
2005-12
Last Production
2021-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 2,916 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN | 3,970 ft | -1,054 ft |
| GRAYBERRY | 4,000 ft | -1,084 ft |
| SAN ANDRES | 4,400 ft | -1,484 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 (1)
| Interval | Type |
|---|---|
| 3,970–3,985 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,525 ft | 750 sx |
| 5.5" | 5,833 ft | 875 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- SCHALK OIL COMPANY INC.
- Completed
- 2005-12-31
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