WELL · 42-321-00145 · DISTRICT 3
Ohio Sun Unit #3F
Matagorda County · Vertical
Ohio Sun Unit #3F (API 42-321-00145) is a permitted well in Matagorda County filed by Marathon Oil Company; no completion report is on file yet.
The RRC has issued 4 drilling permits between 1979 and 1994, permitted to 8,813 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Anahuac, Frio.
Its 3 leases have reported 58.3K barrels of oil and 623K mcf of gas since January 1993, last reporting in July 2026. The leases carry 15 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Aug 14, 2025
- Permits on file
- 3,707
- Phone
- (281) 293-1000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Allegiant Resources, LLCthrough Jun 2022 |
| Latest permit | Marathon Oil CompanyMay 5, 1994 |
- 8,813
- total depth, ft
- 4
- permits on file
- May 5, 1994
- last permit issued
- —
- completed
- 58.3K
- cumulative oil, bbl
- 623K
- 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 3 leases this well is completed on; they carry 15 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ohio-Sun Unit O-3-12601 | Markham N.-Bay City, N (Betts) | Allegiant Resources, LLC | 12 | 58.3K | 116K | Jan 1993 – Jul 2026 |
| Ohio Sun Unit G-3-149259 | Markham N.-Bay City, N (Braman) | Comstock Oil & Gas, Inc. | 1 | 0 | 507K | Apr 1994 – Aug 2004 |
| Ohio-Sun Unit O-3-10416 | Markham, N.-Bay City, N. (7550) | Marathon Oil Company | 2 | 0 | 0 | Jan 1993 – Jul 1997 |
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.
- 1Marathon Oil CompanyJan 1993 → Nov 2002
- 2Comstock Oil & Gas, Inc.Dec 2002 → Oct 2004
- 3Comstock Oil & Gas, LPNov 2004 → Aug 2008
- 4Premier Natural Resources, LLCNov 2009 → Sep 2010
- 5Allegiant Resources, LLCMar 2020 → Jun 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 423642-99 | Recompletion | Marathon Oil Company | May 5, 1994 | May 5, 1994 | Apr 6, 1994 | 8,812 |
| 365339-99 | Recompletion | Marathon Oil Company | Oct 19, 1989 | Oct 23, 1989 | — | 8,812 |
| 280010-99 | Recompletion | Marathon Oil Company | Jul 11, 1985 | Jul 11, 1985 | — | 8,813 |
| 48018-99 | Recompletion | Marathon Oil Company | May 7, 1979 | May 7, 1979 | — | 8,813 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-149259 | — | — | — | — |
| — | — O-3-10416 | — | — | — | — |
| — | — O-3-12601 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 71 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 2,500 | -2,429 |
| Anahuac | 5,500 | -5,429 |
| Frio | 6,500 | -6,429 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,521 | 7,524 | Perforated |
| 7,848 | — | Perforated |
| 8,018 | 8,023 | Perforated |
| 8,198 | 8,202 | Perforated |
| — | 7,524 | Perforated |
| — | 7,771 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,598 | 15 | 844 S |
| 5.5 | 8,804 | 9.875 | 800 S |
| 5.5 | 8,811 | 9.875 | 800 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jul 6, 1994 | May 9, 1994 | Yes |
| 00 | May 31, 1994 | — | — |
| 00 | Dec 27, 1985 | Dec 5, 1985 | Yes |
| 00 | Jan 12, 1984 | Dec 10, 1979 | — |
| 00 | Jan 12, 1984 | Jul 6, 1979 | — |
| 00 | Jan 12, 1984 | Apr 1, 1974 | — |
| 00 | Jan 12, 1984 | — | — |
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.
- Wellbore filings for 42-321-00145 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-00145 → scanned completion filings
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/32100145, documented in the API reference.