42-321-01612
Final CompletionOHIO-SUN UNIT
MATAGORDA County · District 3 · ALLEGIANT RESOURCES LLC · MARKHAM N.-BAY CITY N(CORNELIUS)
Permits
3
Max Depth
7,980 ft
First Permit
1984-04-18
Latest Activity
1987-08-13
Lifespan
3 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: ALLEGIANT RESOURCES LLC ≠ Permit: MARATHON OIL COMPANY
Resolved via: scheduling → ALLEGIANT RESOURCES 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
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 (3) Elevation 72 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIOCENE (Miocene (undifferentiated)) | 2,500 ft | -2,428 ft |
| ANAHUAC | 5,500 ft | -5,428 ft |
| FRIO | 6,900 ft | -6,828 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 |
|---|---|
| 6,937–6,950 ft | Perforated |
| 6,948–6,951 ft | Perforated |
| 6,956–? ft | Perforated |
| 7,123–7,126 ft | Perforated |
| 7,682–7,687 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,514 ft | 800 sx |
| 10.375" | 1,570 ft | 800 sx |
| 2.375" | 6,903 ft | — |
| 5.5" | 7,970 ft | 1,000 sx |
| 5.5" | 8,114 ft | 1,000 sx |
Permit History (3)
Applications (3)
Records & Logs
7 completion filings on record · 1 with log images at RRC.
+1 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
- 4A
- Max Depth
- 7,980 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- ALLEGIANT RESOURCES LLC
Operator
- Name
- ALLEGIANT RES, LLC
- Location
- LAFAYETTE
- P-5 Status
- Active (filed 2025-07-22)
- Cum Oil (all leases)
- 3,341,328 bbl
- Cum Gas (all leases)
- 422,488 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 46