42-409-30341
GAS UNIT 23-5/EXXON SPEER FEE B
SAN PATRICIO County · District 4 · MARATHON OIL COMPANY
Permits
2
Max Depth
6,015 ft
First Permit
1977-11-03
Latest Activity
1979-05-16
Lifespan
2 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
Formation Tops (3) Elevation 68 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| OAKVILLE | 600 ft | -532 ft |
| MIOCENE (Miocene (undifferentiated)) | 3,200 ft | -3,132 ft |
| FRIO | 4,450 ft | -4,382 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 (2)
| Interval | Type |
|---|---|
| 4,245–4,250 ft | Perforated |
| 4,252–4,254 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,025 ft | 275 sx |
| 4.5" | 5,080 ft | 550 sx |
Permit History (2)
Applications (2)
#49461 A MARATHON OIL COMPANY
received 1979-05-16
#13279 A EXXON CORP.
received 1977-11-03
Records & Logs
2 completion filings on record.
W-2/G-1 1978-05-11
W-2/G-1 1974-02-27
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
Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in SAN PATRICIO County.
Well Details
- Well Number
- 5
- Max Depth
- 6,015 ft
- Drill Type
- Vertical
- County
- SAN PATRICIO
- District
- 4
- Operator
- MARATHON OIL COMPANY
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