WELL · 42-321-31235 · DISTRICT 3

Ohio-Sun Unit #5L

N

Matagorda County  · Vertical

Ohio-Sun Unit #5L (API 42-321-31235) is a permitted well in Matagorda County filed by Premier Natural Resources, LLC; no completion report is on file yet.

The RRC has issued 3 drilling permits between 1982 and 2009, permitted to 8,560 ft.

Completion filings report 3 formation tops, including Miocene (undifferentiated), Anahuac, Frio.

Its lease has reported 58.3K barrels of oil and 116K mcf of gas since January 1993, last reporting in July 2026. The lease carries 12 wells, so these are lease totals, not this well alone.

Operator of record

Premier Natural Resources, LLC

Tulsa, OK · P-5 Y, filed Nov 2, 2018 · 51 permits on file · (918) 392-3232

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsAllegiant Resources, LLCthrough Jun 2022
Latest permitPremier Natural Resources, LLCOct 23, 2009
8,560
total depth, ft
3
permits on file
Oct 23, 2009
last permit issued
—
completed
58.3K
cumulative oil, bbl
116K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
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 lease this well is completed on; they carry 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Ohio-Sun Unit O-3-12601Markham N.-Bay City, N (Betts)Allegiant Resources, LLC1258.3K116KJan 1993 – Jul 2026

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. 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, LLCNov 2009 → Sep 2010
  5. 5Allegiant Resources, LLCMar 2020 → Jun 2022

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
686362-99RecompletionPremier Natural Resources, LLCOct 20, 2009Oct 23, 2009—8,560
338830-99RecompletionMarathon Oil CompanyNov 13, 1987Nov 16, 1987—8,560
154894-99DrillMarathon Oil CompanyMar 26, 1982Mar 26, 1982Jun 1, 19828,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-12601————

Formation tops

As filed on W-2/G-1. Subsea from 52 ft elevation.Download CSV →

FormationMD ftSubsea
Miocene (undifferentiated)MIOCENE2,000-1,948
Miocene (undifferentiated)MIOCENE2,500-2,448
Anahuac5,500-5,448
Frio6,500-6,448

Perforations

Perforated and open-hole intervals.

FromToType
8,1848,206Perforated
8,3248,329Perforated
8,3758,379Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,62512.251,100 sx
2.8758,198——
5.58,2437.8751,100 S
5.58,5607.8751,100 sx

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
00Jan 4, 1988Dec 17, 1987Yes
00Dec 30, 1987——
00Oct 6, 1986Sep 12, 1986—
00Sep 20, 1986——
00Aug 13, 1984Jul 24, 1984—
00Aug 8, 1984Jul 24, 1984—
00Jan 12, 1984Jul 26, 1982—

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/32131235, documented in the API reference.