WELL · 42-289-31273 · DISTRICT 5

Marathon #1

Plugged

Leon County · Red Oak (FB-a Sub Clarksville) field  · Vertical

Marathon #1 (API 42-289-31273) is a plugged well in Leon County, plugged April 6, 2022, last operated by Texas Royalty Corp..

The RRC has issued one drilling permit (amended once), issued September 3, 1997, permitted to 6,100 ft.

Completion filings report 3 formation tops, including Tac, Bac, Sub-Clarksville.

Its 2 leases have reported 7.56K barrels of oil and 1.07K mcf of gas since October 1997, last reporting in May 2022. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Texas Royalty Corp.

Based in
Austin, TX
P-5 status
Active – Extension (X)
P-5 last filed
Mar 3, 2026
Permits on file
88
Phone
(512) 306-1717

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTexas Royalty Corp.
Production reportsTexas Royalty Corp.through May 2018
Latest permitTexas Royalty Corp.Sep 3, 1997
6,100
total depth, ft
2
permits on file
Sep 3, 1997
last permit issued
Oct 10, 1997
completed
7.56K
cumulative oil, bbl
1.07K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH May 2022

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 10, 1997
Shut in
—
Plugged
Apr 6, 2022

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Marathon O-5-3601Red Oak (FB-a, Sub Clarksville)Texas Royalty Corp.17.56K138Feb 1998 – May 2022
Marathon G-5-165922Red Oak (FB-a, Sub Clarksville)Texas Royalty Corp.10935Oct 1997 – Mar 1998

No volumes reported on these leases in the last three years.

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Texas Royalty Corp.Nov 1997 → May 2018

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
467037-98DrillTexas Royalty Corp.Sep 11, 1997Sep 3, 1997—6,100
467037-99DrillTexas Royalty Corp.Sep 2, 1997Sep 3, 1997Sep 6, 19975,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-5-165922————
—— O-5-3601————

Formation tops

As filed on W-2/G-1. Subsea from 323 ft elevation.Download CSV →

FormationMD ftSubsea
Tac5,260-4,937
Bac5,600-5,277
Sub-Clarksville5,620-5,297

Perforations

Perforated and open-hole intervals.

FromToType
5,7615,780Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62557511180 S
4.55,8787.875400 S
4.5——400 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 3, 1998Mar 6, 1998—
00Mar 26, 1998——
00Jan 23, 1998Nov 20, 1997Yes
00Jan 15, 1998——

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/28931273, documented in the API reference.