42-349-33050

Final Completion

CASTON

NAVARRO County · District 5 · MARATHON OIL COMPANY · ROUNDHOUSE (HAYNESVILLE)

Permits

Max Depth

11,300 ft

First Permit

1982-12-23

Latest Activity

1992-12-29

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-02-20

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: MARATHON OIL COMPANY ≠ Production: URSUS OIL AND GAS (reported 2025-07)

Resolved via: scheduling → MARATHON OIL COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-1995→ MAP PRODUCTION CO., INC. 1995-2005→ SAMSON LONE STAR LP 2005-2007→ SAMSON LONE STAR, LLC 2007-2009→ IRONWOOD OIL & GAS LLC 2009-2014→ CL&F OPERATING LLC 2014-2015→ URSUS OIL AND GAS 2015-2025

Lease Production

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

Formation Tops (6) Elevation 331 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GLEN ROSE	5,223 ft	-4,892 ft
RODESSA	6,393 ft	-6,062 ft
PETTIT	6,948 ft	-6,617 ft
TRAVIS PEAK	7,105 ft	-6,774 ft
BOSSIER	9,935 ft	-9,604 ft
COTTON VALLEY LIME (Cotton Valley)	10,545 ft	-10,214 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 (2)

Interval	Type
6,418–6,423 ft	Perforated
10,666–10,743 ft	Perforated

Casing (3)

Size	Set Depth	Cement
16"	100 ft	56 sx
8.625"	4,180 ft	1,375 sx
5.5"	10,800 ft	1,200 sx

Permit History (2)

#407584 Recompletion Final Completion

CASTON · 10,800 ft

1992-12-29

Spud 1992-10-09

#181466 Drill Final Completion

CASTON · 11,300 ft

1982-12-23

Spud 1983-01-13

Applications (2)

#407584 A MARATHON OIL COMPANY

received 1992-12-22

#181466 A TXO PRODUCTION CORP.

received 1982-12-23

Records & Logs

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

W-2/G-1 1993-01-27 log on file

W-2/G-1 1993-03-02

W-2/G-1 1983-03-22

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 NAVARRO County.

Well Details

Well Number: 1
Max Depth: 11,300 ft
Drill Type: Vertical
County: NAVARRO
District: 5
Operator: MARATHON OIL COMPANY
Completed: 1983-02-20

Operator

Name: MARATHON OIL CO
Location: HOUSTON
P-5 Status: Active (filed 2025-08-14)
Cum Oil (all leases): 183,150,113 bbl
Cum Gas (all leases): 1,013,063,895 mcf
Activities: CSGD/P, G/PUR
Total Permits: 3,707