42-409-01580

WELDER E.H. C

SAN PATRICIO County · District 4 · EOG RESOURCES INC. · PLYMOUTH (3550)

Permits

1

Max Depth

5,651 ft

First Permit

1978-10-18

Latest Activity

1978-10-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-09-16

Shut-In

Plugged

2003-11-26

!

EWA / Permit operator mismatch

Scheduling: EOG RESOURCES INC. ≠ Permit: MARATHON OIL COMPANY

Resolved via: schedulingEOG RESOURCES INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2003-11

Operator History

originally filed by MARATHON OIL COMPANY — asset transferred

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (3) Elevation 44 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))1 ft+43 ft
ANAHUAC 4,450 ft-4,406 ft
FRIO 5,100 ft-5,056 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)

IntervalType
3,544–3,550 ftPerforated
3,556–3,560 ftPerforated

Casing (4)

SizeSet DepthCement
13"320 ft200 sx
2.375"3,479 ft
7.625"5,635 ft300 sx
7.625"5,635 ft300 sx

Permit History (1)

Applications (1)

#34943 A MARATHON OIL COMPANY
received 1978-10-18

Records & Logs

3 completion filings on record.

W-2/G-1 1985-10-21
W-2/G-1 1978-11-17
W-2/G-1 1984-01-12

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
11
Max Depth
5,651 ft
Drill Type
Vertical
District
4
Completed
1985-09-16

Operator

Location
MIDLAND
P-5 Status
Active (filed 2025-10-02)
Cum Oil (all leases)
1,173,982,199 bbl
Cum Gas (all leases)
7,415,222,256 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
16,293