42-321-00087

OHIO-SUN UNIT

MATAGORDA County · District 3 · ALLEGIANT RESOURCES LLC · MARKHAM N.-BAY CITY N(CORNELIUS)

Permits

Max Depth

8,505 ft

First Permit

1979-01-12

Latest Activity

1992-04-20

Lifespan

13 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1979-02-28

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: ALLEGIANT RESOURCES LLC ≠ Permit: MARATHON OIL COMPANY

Resolved via: production → ALLEGIANT RESOURCES, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

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 (3) Elevation 63 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ANAHUAC	550 ft	-487 ft
MIOCENE (Miocene (undifferentiated))	2,500 ft	-2,437 ft
FRIO	6,500 ft	-6,437 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)

Interval	Type
7,679–7,682 ft	Perforated
7,691–7,696 ft	Perforated
7,796–7,801 ft	Perforated
8,222–8,226 ft	Perforated
?–7,801 ft	Perforated

Casing (6)

Size	Set Depth	Cement
10.75"	2,611 ft	1,600 sx
2.375"	7,616 ft	—
2.375"	7,740 ft	—
2.375"	8,160 ft	—
7"	8,493 ft	750 sx
2.375"	—	—

Permit History (2)

#398523 Recompletion U

OHIO-SUN UNIT · 8,505 ft

1992-04-20

Spud 1992-04-20

#40775 Recompletion

OHIO-SUN UNIT · 8,505 ft

1979-01-12

Applications (2)

#398523 A MARATHON OIL COMPANY

received 1992-04-20

#40775 A MARATHON OIL COMPANY

received 1979-01-12

Records & Logs

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

W-2/G-1 1992-09-14 log on file

W-2/G-1 1984-10-29

W-2/G-1 1979-11-27

W-2/G-1 1979-04-26

+3 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: 23J
Max Depth: 8,505 ft
Drill Type: Vertical
County: MATAGORDA
District: 3
Operator: ALLEGIANT RESOURCES LLC
Completed: 1979-02-28

Operator

Name: ALLEGIANT RES, LLC
Location: LAFAYETTE
P-5 Status: Active (filed 2025-07-22)
Cum Oil (all leases): 3,341,328 bbl
Cum Gas (all leases): 422,488 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 46