42-321-02844

Final Completion

OHIO-SUN UNIT

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

Permits

Max Depth

8,800 ft

First Permit

1986-10-24

Latest Activity

1992-08-21

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

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 #000121770 permitted 2020-03-09

Permitted Volume

15,000 bbl/d

Max Pressure

850 psi

Injection Interval

2,850–5,500 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.

Formation Tops (4) Elevation 73 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))	2,500 ft	-2,427 ft
ANAHUAC	5,500 ft	-5,427 ft
FRIO	6,500 ft	-6,427 ft
FRIO	6,900 ft	-6,827 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 (6)

Interval	Type
7,754–7,762 ft	Perforated
7,854–7,869 ft	Perforated
8,050–8,060 ft	Perforated
8,395–? ft	Perforated
8,710–? ft	Perforated
?–8,403 ft	Perforated

Casing (9)

Size	Set Depth	Cement
16"	60 ft	—
5"	243 ft	—
10.75"	1,519 ft	460 sx
10.75"	1,519 ft	—
2.875"	4,977 ft	—
2.375"	8,317 ft	—
7"	8,781 ft	500 sx
7"	8,785 ft	—
7"	8,800 ft	500 sx

Permit History (2)

#402509 Recompletion Final Completion

OHIO-SUN UNIT · 8,800 ft

1992-08-21

Spud 1992-08-04

#322159 Recompletion Final Completion

OHIO-SUN UNIT · 8,800 ft

1986-10-24

Applications (2)

#402509 A MARATHON OIL COMPANY

received 1992-08-19

#322159 A MARATHON OIL COMPANY

received 1986-10-22

Records & Logs

8 completion filings on record · 3 with log images at RRC.

W-2/G-1 1992-08-31 log on file

W-2/G-1 1987-04-17 log on file

W-2/G-1 1987-04-23

W-2/G-1 1980-12-12

W-2/G-1 1966-02-23

+2 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: 6K
Max Depth: 8,800 ft
Drill Type: Vertical
County: MATAGORDA
District: 3
Operator: MARATHON OIL COMPANY

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