42-321-00089
Final CompletionOHIO-SUN UNIT
MATAGORDA County · District 3 · ALLEGIANT RESOURCES LLC · MARKHAM N.-BAY CITY N (MCDONALD)
Permits
4
Max Depth
8,476 ft
First Permit
1984-05-21
Latest Activity
2009-11-05
Lifespan
25 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: ALLEGIANT RESOURCES LLC ≠ Permit: PREMIER NATURAL RESOURCES, LLC
Resolved via: production → 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 (9) Elevation 59 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIOCENE (Miocene (undifferentiated)) | 1 ft | +58 ft |
| ANAHUAC | 5,500 ft | -5,441 ft |
| FRIO | 6,590 ft | -6,531 ft |
| LEAGUE | 7,406 ft | -7,347 ft |
| CORNELIUS | 7,676 ft | -7,617 ft |
| CAYCE | 7,777 ft | -7,718 ft |
| MARKHAM | 7,859 ft | -7,800 ft |
| BRAMAN | 7,981 ft | -7,922 ft |
| BETTS | 8,182 ft | -8,123 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 |
|---|---|
| 7,660–7,672 ft | Perforated |
| 7,780–7,784 ft | Perforated |
| 7,791–7,794 ft | Perforated |
| 8,057–8,067 ft | Perforated |
| 8,376–8,378 ft | Perforated |
Casing (9)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 78 ft | 75 sx |
| 13.375" | 78 ft | 75 sx |
| 9.625" | 1,521 ft | 425 sx |
| 9.625" | 1,532 ft | — |
| 9.625" | 1,547 ft | 425 sx |
| 2" | 7,582 ft | — |
| 2" | 8,322 ft | — |
| 5.5" | 8,464 ft | 400 sx |
| 5.5" | 8,475 ft | 400 sx |
Permit History (4)
OHIO-SUN UNIT · 7,980 ft
2009-11-05
Spud 2009-11-24
OHIO-SUN UNIT · 7,980 ft
2005-03-15
OHIO-SUN UNIT · 8,300 ft
2005-01-07
Spud 2005-01-10
OHIO-SUN UNIT · 8,476 ft
1984-05-21
Applications (4)
Records & Logs
9 completion filings on record · 3 with log images at RRC.
+3 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
- 12J
- Max Depth
- 8,476 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