42-321-00105

Final Completion

OHIO-SUN UNIT

MATAGORDA County · District 3 · MARATHON OIL COMPANY · MARKHAM N.-BAY CITY N(7300)

Permits

Max Depth

8,801 ft

First Permit

1977-11-02

Latest Activity

1997-04-15

Lifespan

19 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1978-03-13

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 (4) Elevation 60 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))	2,500 ft	-2,440 ft
ANAUHUAC	5,500 ft	-5,440 ft
FRIO	6,900 ft	-6,840 ft
NO NEW FORMATIONS	—	—

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)

Interval	Type
6,894–6,900 ft	Perforated
7,064–7,068 ft	Perforated
7,308–7,311 ft	Perforated

Casing (5)

Size	Set Depth	Cement
13.375"	78 ft	75 sx
13.375"	78 ft	75 sx
9.625"	1,610 ft	425 sx
2.375"	7,235 ft	—
5.5"	8,801 ft	450 sx

Permit History (3)

#461162 Recompletion Final Completion

OHIO - SUN UNIT · 8,801 ft

1997-04-15

Spud 1997-01-27

#208466 Recompletion U

OHIO-SUN UNIT · 8,801 ft

1983-08-30

#11262 Recompletion

OHIO-SUN UNIT · 8,801 ft

1977-11-02

Applications (3)

#461162 A MARATHON OIL COMPANY

received 1997-04-15

#208466 A MARATHON OIL COMPANY

received 1983-08-23

#11262 A MARATHON OIL COMPANY

received 1977-11-02

Records & Logs

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

W-2/G-1 2018-11-07

W-2/G-1 1997-05-14 log on file

W-2/G-1 1997-06-03

W-2/G-1 1984-02-09

W-2/G-1 1978-03-14

+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: 1K
Max Depth: 8,801 ft
Drill Type: Vertical
County: MATAGORDA
District: 3
Operator: MARATHON OIL COMPANY
Completed: 1978-03-13

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