42-161-30543

Final Completion

WILLIFORD "A"

FREESTONE County · District 5 · MARATHON OIL COMPANY

Permits

Max Depth

13,050 ft

First Permit

1980-02-25

Latest Activity

1992-04-15

Lifespan

12 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-1996→ XTO ENERGY INC. 2007-2009

Lease Production

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

Formation Tops (8) Elevation 423 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
PALUXY	5,848 ft	-5,425 ft
GLEN ROSE	6,072 ft	-5,649 ft
RODESSA	7,842 ft	-7,419 ft
TRAVIS PEAK	8,032 ft	-7,609 ft
BOSSIER	9,910 ft	-9,487 ft
COTTON VALLEY SD (Cotton Valley)	9,910 ft	-9,487 ft
BOSSIER	11,155 ft	-10,732 ft
COTTON VALLEY LIME (Cotton Valley)	12,015 ft	-11,592 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 (3)

Interval	Type
10,140–10,240 ft	Perforated
11,410–11,430 ft	Perforated
12,054–12,076 ft	Perforated

Casing (4)

Size	Set Depth	Cement
16"	80 ft	—
9.625"	4,811 ft	1,850 sx
2.875"	11,805 ft	—
5.5"	12,300 ft	1,200 sx

Permit History (3)

#398098 Recompletion Final Completion

WILLIFORD "A" · 12,300 ft

1992-04-15

Spud 1992-03-09

#296800 Recompletion

WILLIFORD "A" · 12,300 ft

1986-01-31

#74524 Drill Final Completion

WILLIFORD "A" · 13,050 ft

1980-02-25

Spud 1980-04-14

Applications (3)

#398098 A MARATHON OIL COMPANY

received 1992-04-06

#296800 A TXO PRODUCTION CORP.

received 1986-01-22

#74524 A TEXAS OIL & GAS CORP.

received 1980-02-25

Records & Logs

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

W-2/G-1 1996-05-03

W-2/G-1 1992-04-13 log on file

W-2/G-1 1992-05-01

W-2/G-1 1980-10-19

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 FREESTONE County.

Well Details

Well Number: 1
Max Depth: 13,050 ft
Drill Type: Vertical
County: FREESTONE
District: 5
Operator: MARATHON OIL COMPANY

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