42-321-80104

Final Completion

OHIO-SUN UNIT

MATAGORDA County · District 3 · ALLEGIANT RESOURCES LLC · MARKHAM N.-BAY CITY N (7150-A)

Permits

Max Depth

9,025 ft

First Permit

1985-05-20

Latest Activity

1985-05-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1974-07-05

Shut-In

—

Plugged

1986-02-10

EWA / Permit operator mismatch

Scheduling: ALLEGIANT RESOURCES LLC ≠ Permit: MARATHON OIL COMPANY

Resolved via: scheduling → ALLEGIANT RESOURCES LLC

Operator History

originally filed by MARATHON OIL COMPANY — asset transferred

Formation Tops (3) Elevation 61 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))	2,500 ft	-2,439 ft
ANAHUAC	5,500 ft	-5,439 ft
FRIO	6,500 ft	-6,439 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
7,142–7,146 ft	Perforated
7,787–7,797 ft	Perforated
7,800–7,805 ft	Perforated
8,701–8,707 ft	Perforated

Casing (6)

Size	Set Depth	Cement
13.375"	75 ft	50 sx
9.625"	1,466 ft	400 sx
9.625"	1,466 ft	400 sx
2.375"	7,104 ft	—
5.5"	9,025 ft	500 sx
5.5"	9,025 ft	500 sx

Permit History (1)

#275524 Recompletion Final Completion

OHIO-SUN UNIT · 9,025 ft

1985-05-20

Applications (1)

#275524 A MARATHON OIL COMPANY

received 1985-05-20

Records & Logs

5 completion filings on record.

W-2/G-1 1985-10-29

W-2/G-1 1985-06-24

W-2/G-1 1985-07-18

W-2/G-1 1974-07-12

W-2/G-1 1984-01-12

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: 1P
Max Depth: 9,025 ft
Drill Type: Vertical
County: MATAGORDA
District: 3
Operator: ALLEGIANT RESOURCES LLC
Completed: 1974-07-05

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