42-321-32178
Final CompletionMCWILLIAMS OIL UNIT
MATAGORDA County · District 3 · ATLAS OPERATING LLC · HAMMAN
Permits
3
Max Depth
10,400 ft
First Permit
2007-08-09
Latest Activity
2011-04-18
Lifespan
4 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-02-13
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: ATLAS OPERATING LLC ≠ Permit: ALTA MESA SERVICES, LP
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
2007-12
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 (2) Elevation 47 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO SANDSTONE (Frio) | 7,885 ft | -7,838 ft |
| UPPER CROOKER | 8,174 ft | -8,127 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 (2)
| Interval | Type |
|---|---|
| 8,174–8,180 ft | Perforated |
| 10,182–10,198 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 2,000 ft | 1,960 sx |
| 9.625" | 10,246 ft | 1,500 sx |
Permit History (3)
Applications (3)
Records & Logs
5 completion filings on record · 4 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
- 4
- Max Depth
- 10,400 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- ATLAS OPERATING LLC
- Completed
- 2011-02-13
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