42-409-01239

Plug Dry Hole (P&A)

WELDER, E. H. -E-

SAN PATRICIO County · District 4 · MARATHON OIL COMPANY

Permits

2

Max Depth

8,551 ft

First Permit

1981-06-15

Latest Activity

1999-06-11

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

1999-07-07

Formation Tops (3) Elevation 45 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE-YOUNGER (Miocene (undifferentiated))4,450 ft-4,405 ft
FRIO 5,150 ft-5,105 ft
ANAHACE5,450 ft-5,405 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 (1)

IntervalType
7,005–7,008 ftPerforated

Casing (4)

SizeSet DepthCement
10.75"352 ft200 sx
10.75"352 ft200 sx
2.375"6,921 ft
7"7,312 ft500 sx

Permit History (2)

Applications (2)

#485152 A MARATHON OIL COMPANY
received 1999-06-11
#121121 A MARATHON OIL COMPANY
received 1981-06-15

Records & Logs

2 completion filings on record.

W-2/G-1 1986-12-08
W-2/G-1 1982-06-28

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
2
Max Depth
8,551 ft
Drill Type
Vertical
District
4

Operator

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