42-321-31241

Final Completion

OHIO-SUN UNIT

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

Permits

3

Max Depth

8,500 ft

First Permit

1982-04-02

Latest Activity

1999-03-22

Lifespan

17 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1982-10-15

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: ALLEGIANT RESOURCES LLC ≠ Permit: MARATHON OIL COMPANY

Resolved via: productionALLEGIANT RESOURCES, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Active UIC #000093172 permitted 2003-06-23

Permitted Volume

15,000 bbl/d

Max Pressure

750 psi

Injection Interval

2,670–3,650 ft

Injected (12mo)

1,500 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-12-01)

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (5) Elevation 58 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))2,500 ft-2,442 ft
MIOCENE (Miocene (undifferentiated))3,650 ft-3,592 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 (6)

IntervalType
2,778–2,804 ftPerforated
3,558–3,578 ftPerforated
7,732–7,740 ftPerforated
7,743–7,747 ftPerforated
7,910–7,918 ftPerforated
8,372–8,382 ftPerforated

Casing (4)

SizeSet DepthCement
10.75"2,670 ft1,330 sx
10.75"2,670 ft1,705 sx
2.875"8,236 ft
5.5"8,500 ft2,430 sx

Permit History (3)

Applications (3)

#483405 A MARATHON OIL COMPANY
received 1999-03-22
#357249 A MARATHON OIL COMPANY
received 1989-03-21
#156650 A MARATHON OIL COMPANY
received 1982-04-02

Records & Logs

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

W-2/G-1 2020-09-16
W-2/G-1 2004-11-08
W-2/G-1 1999-03-31 log on file
W-2/G-1 1990-10-16
W-2/G-1 1989-04-14 log on file
W-2/G-1 1989-04-26

+1 more 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
26J
Max Depth
8,500 ft
Drill Type
Vertical
County
MATAGORDA
District
3
Completed
1982-10-15

Operator

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