42-321-31526

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

1986-10-09

Latest Activity

1992-04-23

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-04-20

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 (4) Elevation 58 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))	2,500 ft	-2,442 ft
ANAHUAC	5,500 ft	-5,442 ft
FRIO	6,500 ft	-6,442 ft
FRIO	6,900 ft	-6,842 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 (4)

Interval	Type
7,758–7,768 ft	Perforated
7,850–7,856 ft	Perforated
8,209–8,215 ft	Perforated
8,362–8,368 ft	Perforated

Casing (4)

Size	Set Depth	Cement
10.75"	1,300 ft	960 sx
10.75"	1,304 ft	960 sx
7.625"	8,499 ft	2,625 sx
7.625"	8,500 ft	2,625 sx

Permit History (4)

#398652 Recompletion Final Completion

OHIO-SUN UNIT · 8,500 ft

1992-04-23

Spud 1992-05-29

#352789 Recompletion Final Completion

OHIO SUN UNIT · 8,500 ft

1988-10-31

#344093 Recompletion U

OHIO SUN UNIT · 8,500 ft

1988-03-24

#321472 Drill Final Completion

OHIO-SUN UNIT · 8,600 ft

1986-10-09

Spud 1986-11-24

Applications (4)

#398652 A MARATHON OIL COMPANY

received 1992-04-23

#352789 A MARATHON OIL COMPANY

received 1988-10-28

#344093 A MARATHON OIL COMPANY

received 1988-03-18

#321472 A MARATHON OIL COMPANY

received 1986-10-06

Records & Logs

7 completion filings on record · 5 with log images at RRC.

W-2/G-1 1992-07-02 log on file

W-2/G-1 1989-01-04 log on file

W-2/G-1 1989-01-21

W-2/G-1 1988-06-20 log on file

W-2/G-1 1987-02-05 log on file

+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: 16K
Max Depth: 8,600 ft
Drill Type: Vertical
County: MATAGORDA
District: 3
Operator: ALLEGIANT RESOURCES LLC
Completed: 1988-04-20

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