42-321-00142

Final Completion

OHIO-SUN UNIT

MATAGORDA County · District 3 · MARATHON OIL COMPANY · MARKHAM N.-BAY CITY N. (7900)

Permits

Max Depth

8,900 ft

First Permit

1984-05-21

Latest Activity

1989-06-08

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1973-07-01

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: MARATHON OIL COMPANY ≠ Production: ALLEGIANT RESOURCES, LLC (reported 2026-04)

Resolved via: production → ALLEGIANT RESOURCES, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Inactive UIC #000125593 permitted 2022-11-14

Permitted Volume

15,000 bbl/d

Max Pressure

850 psi

Injection Interval

4,130–6,880 ft

Injected (12mo)

—

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-2002→ COMSTOCK OIL & GAS, INC. 2002-2004→ COMSTOCK OIL & GAS, LP 2004-2008→ PREMIER NATURAL RESOURCES, LLC 2008-2015→ REMORA MANAGEMENT, LLC 2015-2019→ ALLEGIANT RESOURCES, LLC 2019-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (5) Elevation 58 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))	1 ft	+57 ft
MIOCENE (Miocene (undifferentiated))	2,500 ft	-2,442 ft
ANAHUAC	5,500 ft	-5,442 ft
FRIO	6,500 ft	-6,442 ft
FRIO	6,590 ft	-6,532 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
6,895–? ft	Perforated
7,758–7,767 ft	Perforated
7,850–7,858 ft	Perforated
7,924–7,930 ft	Perforated
8,339–8,343 ft	Perforated
8,650–8,678 ft	Perforated
?–8,466 ft	Perforated

Casing (6)

Size	Set Depth	Cement
10.75"	2,032 ft	1,200 sx
10.75"	2,046 ft	1,200 sx
2.375"	6,843 ft	—
2.375"	7,890 ft	—
7"	8,874 ft	1,200 sx
7"	8,887 ft	1,200 sx

Permit History (2)

#360065 Recompletion Final Completion

OHIO-SUN UNIT · 8,900 ft

1989-06-08

#240976 Recompletion Final Completion

OHIO-SUN UNIT · 8,900 ft

1984-05-21

Applications (2)

#360065 A MARATHON OIL COMPANY

received 1989-06-05

#240976 A MARATHON OIL COMPANY

received 1984-05-21

Records & Logs

7 completion filings on record · 1 with log images at RRC.

W-2/G-1 1989-07-19 log on file

W-2/G-1 1989-07-26

W-2/G-1 1984-06-25

W-2/G-1 1976-03-24

W-2/G-1 1973-08-16

+1 more filings

Completion packets + logs ↗ Wellbore 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

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MATAGORDA County.

Well Details

Well Number: 11F
Max Depth: 8,900 ft
Drill Type: Vertical
County: MATAGORDA
District: 3
Operator: MARATHON OIL COMPANY
Completed: 1973-07-01

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