42-321-31327

Final Completion

OHIO-SUN UNIT

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

Permits

Max Depth

8,600 ft

First Permit

1983-08-16

Latest Activity

1994-01-13

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-10-10

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 57 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))	2,500 ft	-2,443 ft
ANAHUAC	5,500 ft	-5,443 ft
FRIO	6,900 ft	-6,843 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 (8)

Interval	Type
6,735–6,739 ft	Perforated
6,890–6,892 ft	Perforated
6,897–6,900 ft	Perforated
7,203–7,210 ft	Perforated
7,759–7,771 ft	Perforated
8,197–8,207 ft	Perforated
8,358–8,362 ft	Perforated
8,366–8,369 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	1,898 ft	890 sx
2.875"	8,231 ft	—
5.5"	8,530 ft	1,580 sx
5.5"	8,536 ft	1,850 sx

Permit History (4)

#420172 Recompletion Final Completion

OHIO SUN UNIT · 8,530 ft

1994-01-13

Spud 1993-11-07

#352768 Recompletion Final Completion

OHIO SUN UNIT · 8,530 ft

1988-11-03

#349208 Recompletion U

OHIO-SUN UNIT · 8,530 ft

1988-07-29

#206337 Drill Final Completion

OHIO-SUN UNIT · 8,600 ft

1983-08-16

Spud 1983-10-21

Applications (4)

#420172 A MARATHON OIL COMPANY

received 1994-01-13

#352768 A MARATHON OIL COMPANY

received 1988-10-28

#349208 A MARATHON OIL COMPANY

received 1988-07-22

#206337 A MARATHON OIL COMPANY

received 1983-08-12

Records & Logs

9 completion filings on record · 2 with log images at RRC.

W-2/G-1 1996-01-22

W-2/G-1 1995-04-24

W-2/G-1 1994-01-12 log on file

W-2/G-1 1994-02-08

W-2/G-1 1989-03-10 log on file

W-2/G-1 1989-04-07

+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: 16E
Max Depth: 8,600 ft
Drill Type: Vertical
County: MATAGORDA
District: 3
Operator: ALLEGIANT RESOURCES LLC
Completed: 1988-10-10

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