42-409-01558

Final Completion

WELDER E. H. -C-

SAN PATRICIO County · District 4 · MCGOWAN WORKING PARTNERS INC. · PLYMOUTH

Permits

1

Max Depth

6,151 ft

First Permit

1996-01-30

Latest Activity

1996-01-30

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: MCGOWAN WORKING PARTNERS INC. ≠ Permit: MARATHON OIL COMPANY

Resolved via: productionMCGOWAN WORKING PARTNERS, INC.

Production Summary

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 (3) Elevation 52 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
HEEP A SAND5,579 ft-5,527 ft
HEEP B SAND5,593 ft-5,541 ft
HEEP C SAND5,617 ft-5,565 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)

IntervalType
5,617–5,627 ftPerforated
5,671–5,676 ftPerforated
6,027–6,032 ftPerforated
6,048–6,051 ftPerforated
?–5,599 ftPerforated

Casing (5)

SizeSet DepthCement
13"328 ft200 sx
13"328 ft
7.625"5,638 ft300 sx
7.625"5,638 ft
2"6,025 ft

Permit History (1)

Applications (1)

#443837 A MARATHON OIL COMPANY
received 1996-01-18

Records & Logs

6 completion filings on record · 2 with log images at RRC.

W-2/G-1 2013-02-05
W-2/G-1 2009-04-27
W-2/G-1 1996-01-16 log on file
W-2/G-1 1996-01-23 log on file
W-2/G-1 1967-11-13
W-2/G-1 1967-11-13

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
56
Max Depth
6,151 ft
Drill Type
Vertical
District
4

Operator

Location
JACKSON
P-5 Status
Active (filed 2025-10-27)
Cum Oil (all leases)
11,692,377 bbl
Cum Gas (all leases)
5,696,485 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
60