42-321-00138
Final CompletionOHIO-SUN UNIT
MATAGORDA County · District 3 · MARATHON OIL COMPANY · MARKHAM N.-BAY CITY N (EVERETT)
Permits
2
Max Depth
8,847 ft
First Permit
1981-06-16
Latest Activity
1982-09-10
Lifespan
1 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1965-12-01
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Production: ALLEGIANT RESOURCES, LLC (reported 2026-04)
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 (3) Elevation 72 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CORNELIUS | 7,777 ft | -7,705 ft |
| CAYCE | 7,880 ft | -7,808 ft |
| BETTS | 8,212 ft | -8,140 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 (6)
| Interval | Type |
|---|---|
| 1,670–1,748 ft | Perforated |
| 7,752–7,764 ft | Perforated |
| 7,759–7,764 ft | Perforated |
| 7,859–7,869 ft | Perforated |
| 8,204–8,212 ft | Perforated |
| ?–7,869 ft | Perforated |
Casing (10)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,558 ft | 900 sx |
| 3.5" | 1,644 ft | — |
| 7" | 1,795 ft | 500 sx |
| 5.5" | 2,342 ft | 1,500 sx |
| 10.75" | 2,380 ft | — |
| 5.5" | 5,863 ft | 1,500 sx |
| 2" | 7,680 ft | — |
| 2" | 7,698 ft | — |
| 5.5" | 8,788 ft | 1,500 sx |
| 5.5" | 88,445 ft | 1,500 sx |
Permit History (2)
Applications (2)
Records & Logs
7 completion filings on record.
+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
- 1F
- Max Depth
- 8,847 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- MARATHON OIL COMPANY
- Completed
- 1965-12-01
Operator
- Name
- MARATHON OIL CO
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-08-14)
- Cum Oil (all leases)
- 183,150,113 bbl
- Cum Gas (all leases)
- 1,013,063,895 mcf
- Activities
- CSGD/P, G/PUR
- Total Permits
- 3,707