42-321-00069
Final CompletionOHIO SUN UNIT
MATAGORDA County · District 3 · MARATHON OIL COMPANY · MARKHAM N.-BAY CITY N (BRAMAN)
Permits
2
Max Depth
8,521 ft
First Permit
2001-05-23
Latest Activity
2002-01-25
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1957-09-01
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Production: ALLEGIANT RESOURCES, LLC (reported 2025-01)
Resolved via: scheduling → MARATHON OIL COMPANY
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 (8) Elevation 74 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MARKHAM, (CHOATE 7100) | 6,145 ft | -6,071 ft |
| MARKHAM, N-BAY CITY, N | 6,952 ft | -6,878 ft |
| MARKHAM,N-BAY CITY,N(CARLSON) | 6,952 ft | -6,878 ft |
| (CHOATE 7100) | 7,145 ft | -7,071 ft |
| (HURD) | 7,303 ft | -7,229 ft |
| MARKHAM, (HURD) | 7,303 ft | -7,229 ft |
| (BRAMAN) | 7,984 ft | -7,910 ft |
| MARKHAM, (BRAMAN) | 7,984 ft | -7,910 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 |
|---|---|
| 6,600–6,603 ft | Perforated |
| 6,955–6,960 ft | Perforated |
| 6,966–6,970 ft | Perforated |
| 6,973–6,977 ft | Perforated |
| 7,147–7,150 ft | Perforated |
| 7,988–8,000 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,063 ft | 1,150 sx |
| 10.75" | 2,063 ft | — |
| 2.375" | 6,907 ft | — |
| 2.375" | 7,934 ft | — |
| 7" | 8,390 ft | — |
| 7" | 8,521 ft | 1,000 sx |
Permit History (2)
Applications (2)
Records & Logs
8 completion filings on record · 1 with log images at RRC.
+2 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
- 30A
- Max Depth
- 8,521 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- MARATHON OIL COMPANY
- Completed
- 1957-09-01
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