42-409-32198
Final CompletionWELDER E.H. -E-
SAN PATRICIO County · District 4 · MARATHON OIL COMPANY · ROOKE (8450)
Permits
8
Max Depth
9,500 ft
First Permit
1987-10-09
Latest Activity
1998-07-01
Lifespan
11 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-09-07
Shut-In
—
Plugged
—
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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (1) Elevation 45 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO | 5,100 ft | -5,055 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 (7)
| Interval | Type |
|---|---|
| 6,812–6,817 ft | Perforated |
| 7,158–7,168 ft | Perforated |
| 7,214–7,222 ft | Perforated |
| 7,502–7,510 ft | Perforated |
| 8,042–8,050 ft | Perforated |
| 8,083–8,087 ft | Perforated |
| 8,459–8,470 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,342 ft | 840 sx |
| 7" | 8,386 ft | 945 sx |
Permit History (8)
WELDER, E. H. -E- · 8,791 ft
1998-07-01
Spud 1998-06-09
WELDER, E. H. -E- · 8,791 ft
1991-04-23
Spud 1991-05-06
WELDER, E.H. -E- · 8,791 ft
1990-07-30
WELDER, E. H. -E- · 8,787 ft
1989-04-24
WELDER, E. H. -E- · 8,787 ft
1988-04-07
WELDER, E. H. -E- · 8,787 ft
1988-04-07
WELDER, E. H. -E- · 8,400 ft
1987-10-09
WELDER, E. H. -E- · 9,500 ft
1987-10-09
Applications (8)
Records & Logs
15 completion filings on record · 7 with log images at RRC.
+9 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
- 31
- Max Depth
- 9,500 ft
- Drill Type
- Vertical
- County
- SAN PATRICIO
- District
- 4
- Operator
- MARATHON OIL COMPANY
- Completed
- 1990-09-07
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