42-321-00081

Final Completion

OHIO-SUN UNIT

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

Permits

Max Depth

8,109 ft

First Permit

1978-10-20

Latest Activity

2003-06-02

Lifespan

25 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: ALLEGIANT RESOURCES LLC ≠ Permit: COMSTOCK OIL & GAS, INC.

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.

Oil

production & DCA →

Formation Tops (9) Elevation 76 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))	2,500 ft	-2,424 ft
5000' SAND	5,020 ft	-4,944 ft
ANAHUAC	5,500 ft	-5,424 ft
FRIO	6,500 ft	-6,424 ft
CARLSON	6,980 ft	-6,904 ft
LEAGUE	7,400 ft	-7,324 ft
CORNELIUS	7,684 ft	-7,608 ft
CAYCE	7,793 ft	-7,717 ft
MARKHAM	7,868 ft	-7,792 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
5,023–5,035 ft	Perforated
7,665–7,669 ft	Perforated
7,665–7,730 ft	Perforated
7,685–7,691 ft	Perforated
7,790–7,795 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	1,560 ft	500 sx
2.375"	7,530 ft	—
5.5"	8,109 ft	350 sx

Permit History (3)

#532645 Recompletion Final Completion

OHIO-SUN UNIT · 6,830 ft

2003-06-02

Spud 2003-06-02

#247263 Recompletion Final Completion

OHIO-SUN UNIT · 8,109 ft

1984-08-02

#35212 Recompletion Final Completion

OHIO-SUN UNIT · 8,109 ft

1978-10-20

Applications (3)

#532645 A COMSTOCK OIL & GAS, INC.

received 2003-06-02

#247263 A MARATHON OIL COMPANY

received 1984-08-02

#35212 A MARATHON OIL COMPANY

received 1978-10-20

Records & Logs

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

W-2/G-1 2003-06-23 log on file

W-2/G-1 1998-03-19

W-2/G-1 1998-03-09

W-2/G-1 1985-05-03

W-2/G-1 1985-06-05

W-2/G-1 1980-03-18

+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: 4J
Max Depth: 8,109 ft
Drill Type: Vertical
County: MATAGORDA
District: 3
Operator: ALLEGIANT RESOURCES LLC

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