42-321-00049

OHIO-SUN UNIT

MATAGORDA County · District 3 · MARATHON OIL COMPANY

Permits

1

Max Depth

7,985 ft

First Permit

1990-11-07

Latest Activity

1990-11-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

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 58 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))2,500 ft-2,442 ft
ANAHUAC 5,500 ft-5,442 ft
FRIO 6,500 ft-6,442 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 (3)

IntervalType
6,986–6,988 ftPerforated
7,672–7,676 ftPerforated
?–7,706 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,537 ft800 sx
5.5"7,915 ft1,100 sx

Permit History (1)

Applications (1)

#380767 A MARATHON OIL COMPANY
received 1990-11-07

Records & Logs

3 completion filings on record.

W-2/G-1 1996-05-20
W-2/G-1 1990-12-20
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 MATAGORDA County.

Well Details

Well Number
11A
Max Depth
7,985 ft
Drill Type
Vertical
County
MATAGORDA
District
3

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