42-315-30604

Final Completion

MITCHELL J

MARION County · District 6 · MARATHON OIL COMPANY · LASSATER (TRAVIS PEAK GAS)

Permits

Max Depth

9,500 ft

First Permit

1982-12-31

Latest Activity

2016-07-27

Lifespan

34 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-08-14

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: MARATHON OIL COMPANY ≠ Production: BUFFCO PRODUCTION INC. (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: MARATHON OIL COMPANY ≠ Permit: BUFFCO PRODUCTION INC.

Resolved via: production → BUFFCO PRODUCTION INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-2000→ MATADOR OPERATING COMPANY 2000-2003→ BROWN, TOM INC. 2003-2004→ ENCANA OIL & GAS(USA) INC. 2005-2010→ BUFFCO PRODUCTION INC. 2010-2026

Lease Production

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

Formation Tops (5) Elevation 315 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE MASS. ANHYD.	6,800 ft	-6,485 ft
B. MASS ANHYD	6,800 ft	-6,485 ft
PETTIT	7,364 ft	-7,049 ft
TRAVIS PEAK	7,544 ft	-7,229 ft
TRAVIS PEAK	7,545 ft	-7,230 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 (9)

Interval	Type
7,430–7,474 ft	Perforated
7,544–7,550 ft	Perforated
7,544–7,658 ft	Perforated
7,592–7,598 ft	Perforated
7,604–7,608 ft	Perforated
7,646–7,650 ft	Perforated
7,654–7,658 ft	Perforated
7,786–7,979 ft	Perforated
8,356–8,406 ft	Perforated

Casing (4)

Size	Set Depth	Cement
8.625"	1,305 ft	425 sx
2.375"	7,615 ft	—
2.375"	8,211 ft	—
4.5"	9,015 ft	1,050 sx

Permit History (2)

#817187 Recompletion Final Completion

MITCHELL 'J' · 9,015 ft

2016-07-27

Spud 2016-07-11

#182949 Drill Final Completion

MITCHELL "J" · 9,500 ft

1982-12-31

Spud 1983-02-11

Applications (2)

#817187 A BUFFCO PRODUCTION INC.

received 2016-07-20

#182949 A TXO PRODUCTION CORP.

received 1982-12-31

Records & Logs

5 completion filings on record.

W-2/G-1 2016-09-29

W-2/G-1 1994-12-05

W-2/G-1 1995-01-02

W-2/G-1 1983-09-08

W-2/G-1 1983-06-09

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 MARION County.

Well Details

Well Number: 1
Max Depth: 9,500 ft
Drill Type: Vertical
County: MARION
District: 6
Operator: MARATHON OIL COMPANY
Completed: 1983-08-14

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