Petrora

WELL · 42-321-00385 · DISTRICT 3

Ohio-Sun Unit #6FT

N

Matagorda County · Markham N.-Bay City N (W. 2 UP) field  · Vertical

Ohio-Sun Unit #6FT (API 42-321-00385) is a well in Matagorda County operated by Marathon Oil Company, completed April 7, 2000.

The RRC has issued 2 drilling permits between 2000 and 2001, permitted to 9,636 ft.

Completion filings report 6 formation tops, including Miocene (undifferentiated), Anahuac, Frio, Cornelius Upper.

Its 4 leases have reported 752K barrels of oil and 561K mcf of gas since January 1993, last reporting in July 2026. The leases carry 30 wells, so these are lease totals, not this well alone.

Operator of record

Marathon Oil Company

Houston, TX · P-5 Y, filed Apr 4, 2026 · 3,707 permits on file · (800) 332-9449

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMarathon Oil Company
Production reportsAllegiant Resources, LLCthrough Apr 2026
Latest permitMarathon Oil CompanyMay 17, 2001

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,636
total depth, ft
2
permits on file
May 17, 2001
last permit issued
Apr 7, 2000
completed
752K
cumulative oil, bbl
561K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 7, 2000
Shut in
—
Plugged
—

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 4 leases this well is completed on; they carry 30 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Ohio-Sun Unit O-3-2997Markham N.-Bay City, N (Cayce)Allegiant Resources, LLC27752K455KJan 1993 – Jul 2026
Ohio Sun Unit G-3-182598Markham N.-Bay City,n (McDonald)Remora Management, LLC1023.4KApr 2001 – Aug 2018
McDonald, E. L., a/C 2 O-3-8125Markham N.-Bay City, N (Bay)Marathon Oil Company100Jan 1993 – Jun 2001
Ohio-Sun Unit G-3-176904Markham N.-Bay City, N (W. 2 UP)Marathon Oil Company1082.3KApr 2000 – Apr 2001

Oil, barrels lease total

Last 12 months 3,103 · prior 12 2,225(+39%)

05001K202420252026

Gas, mcf lease total

Last 12 months 7 · prior 12 3,596(-100%)

01K2K3K202420252026

Chain of custody

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

  1. 1Marathon Oil CompanyJan 1993 → Nov 2002
  2. 2Comstock Oil & Gas, Inc.Dec 2002 → Oct 2004
  3. 3Comstock Oil & Gas, LPNov 2004 → Aug 2008
  4. 4Premier Natural Resources, LLCSep 2008 → Jul 2014
  5. 5Remora Management, LLCMay 2017 → Jul 2019
  6. 6Allegiant Resources, LLCAug 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
509090-99RecompletionMarathon Oil CompanyMay 17, 2001May 17, 2001Apr 3, 20019,363
494238-99RecompletionMarathon Oil CompanyApr 19, 2000Apr 19, 2000Feb 18, 20009,636

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-3-176904————
—— G-3-182598————
—— O-3-2997————
—— O-3-2997————
—— O-3-8125————

Formation tops

As filed on W-2/G-1. Subsea from 75 ft elevation.Download CSV →

FormationMD ftSubsea
Miocene (undifferentiated)MIOCENE2,500-2,425
Anahuac5,500-5,425
Frio6,900-6,825
Cornelius Upper7,766-7,691
McDonald Sand8,318-8,243
Bay Sand8,806-8,731

Perforations

Perforated and open-hole intervals.

FromToType
7,7657,775Perforated
7,8537,865Perforated
8,3208,322Perforated
8,4568,459Perforated
8,5588,560Perforated
8,8398,843Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.752,035——
10.752,047121,150 S
10.752,04712.251,150 S
10.752,047151,150 S
28,785——
5.58,932——
5.58,9449.51,000 S
5.58,9449.8751,000 S
5.59,36371,000 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
00Oct 30, 2020Aug 18, 2020—
00Oct 13, 2020Sep 24, 2020—
00Sep 5, 2001Jun 21, 2001—
00Aug 6, 2001May 24, 2001Yes
00Jun 28, 2000May 3, 2000Yes
00Jun 1, 2000Oct 3, 1979—
00May 25, 2000——
00Jun 27, 1988Jun 13, 1988Yes
00Jan 12, 1984Oct 3, 1979—
00Jan 12, 1984Feb 2, 1966—

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/32100385, documented in the API reference.