42-409-30176
Final CompletionWELDER R. H. -A- A/C 1
SAN PATRICIO County · District 4 · MARATHON OIL COMPANY · SINTON NORTH (5600)
Permits
3
Max Depth
8,200 ft
First Permit
1978-12-08
Latest Activity
1994-05-13
Lifespan
15 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
2017-12-13
EWA / Production operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Production: HAZELETT OIL, INC. (reported 2006-07)
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 (3) Elevation 58 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIOCENE (Miocene (undifferentiated)) | 1 ft | +57 ft |
| ANAHUAC | 4,450 ft | -4,392 ft |
| FRIO | 5,150 ft | -5,092 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 |
|---|---|
| 4,666–4,671 ft | Perforated |
| 5,146–5,150 ft | Perforated |
| 5,386–5,394 ft | Perforated |
| 5,400–5,402 ft | Perforated |
| 5,408–5,410 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,129 ft | 735 sx |
| 2.375" | 5,335 ft | — |
| 7.625" | 7,515 ft | 760 sx |
Permit History (3)
Applications (3)
Records & Logs
8 completion filings on record · 2 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
- 35
- Max Depth
- 8,200 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