42-321-00085
Final CompletionOHIO-SUN UNIT
MATAGORDA County · District 3 · ALLEGIANT RESOURCES LLC · MARKHAM N.-BAY CITY N (7685)
Permits
3
Max Depth
9,000 ft
First Permit
1983-09-15
Latest Activity
1985-10-11
Lifespan
2 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1983-12-12
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
Injection / Disposal
Permitted Volume
15,000 bbl/d
Max Pressure
750 psi
Injection Interval
2,100–2,870 ft
Injected (12mo)
—
Permitted Volume
15,000 bbl/d
Max Pressure
750 psi
Injection Interval
2,100–2,870 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-06-01)
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 (6) Elevation 65 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIOCENE (Miocene (undifferentiated)) | 2,000 ft | -1,935 ft |
| MIOCENE (Miocene (undifferentiated)) | 2,500 ft | -2,435 ft |
| ANAHUAC | 5,500 ft | -5,435 ft |
| FRIO | 6,500 ft | -6,435 ft |
| FRIO | 6,550 ft | -6,485 ft |
| FRIO | 6,900 ft | -6,835 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 (10)
| Interval | Type |
|---|---|
| 2,160–2,168 ft | Perforated |
| 2,212–2,220 ft | Perforated |
| 2,480–2,540 ft | Perforated |
| 3,542–3,582 ft | Perforated |
| 3,590–3,615 ft | Perforated |
| 6,982–6,990 ft | Perforated |
| 7,000–? ft | Perforated |
| 7,672–7,678 ft | Perforated |
| 7,794–7,804 ft | Perforated |
| 8,168–8,198 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,003 ft | 1,085 sx |
| 2.375" | 7,669 ft | — |
| 7" | 8,482 ft | 700 sx |
| 7" | 8,526 ft | 700 sx |
Permit History (3)
Applications (3)
Records & Logs
11 completion filings on record · 2 with log images at RRC.
+5 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
- 20J
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- ALLEGIANT RESOURCES LLC
- Completed
- 1983-12-12
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