WELL · 42-321-00141 · DISTRICT 3
Ohio-Sun Unit #2F
Matagorda County · Vertical
Ohio-Sun Unit #2F (API 42-321-00141) is a former disposal or injection well in Matagorda County, last operated by Marathon Oil Company; its UIC permits are no longer active.
The RRC has issued 3 drilling permits between 1985 and 1996, permitted to 8,819 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Anahuac, Frio.
Its 2 leases have reported 69.8K barrels of oil and 330K mcf of gas since January 1993, last reporting in July 2026. The leases carry 14 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 Apr 2026 |
| Latest permit | Marathon Oil CompanyJan 16, 1996 |
- 8,819
- total depth, ft
- 3
- permits on file
- Jan 16, 1996
- last permit issued
- —
- completed
- 69.8K
- cumulative oil, bbl
- 330K
- 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 2 leases this well is completed on; they carry 14 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ohio-Sun Unit G-3-157290 | Markham N.-Bay City, N (W. 1 UP) | Allegiant Resources, LLC | 1 | 0 | 224K | Dec 1995 – Jul 2026 |
| Ohio-Sun Unit O-3-2999 | Markham N.-Bay City,n (McDonald) | Allegiant Resources, LLC | 13 | 69.8K | 107K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 6,044 · prior 12 8,738(-31%)
Gas, mcf lease total
Last 12 months 10,920 · prior 12 13,027(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil CompanyJan 1993 → Feb 2000
- 2Allegiant Resources, LLCOct 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 443577-99 | Recompletion | Marathon Oil Company | Jan 10, 1996 | Jan 16, 1996 | Dec 7, 1995 | 8,819 |
| 286485-99 | Recompletion | Marathon Oil Company | Sep 3, 1985 | Sep 3, 1985 | — | 8,819 |
| 279550-99 | Recompletion | Marathon Oil Company | Jul 5, 1985 | Jul 5, 1985 | — | 8,819 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-157290 | — | — | — | — |
| — | — O-3-2999 | — | — | — | — |
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 |
|---|---|---|
| 2,094 | 2,355 | Perforated |
| 8,188 | 8,212 | Perforated |
| 8,324 | 8,334 | Perforated |
| 8,557 | 8,560 | Perforated |
| 8,586 | 8,588 | Perforated |
| 8,622 | 8,628 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 65 | 16 | — |
| 10.75 | 1,545 | 15 | 900 S |
| 7 | 2,697 | 9.625 | — |
| 2.375 | 8,165 | — | — |
| 5.5 | 8,797 | 9.875 | 1,200 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 | Mar 15, 2000 | Feb 11, 2000 | — |
| 00 | May 21, 1999 | May 3, 1999 | — |
| 00 | Apr 3, 1996 | Jan 24, 1996 | Yes |
| 00 | Mar 25, 1996 | — | — |
| 00 | Dec 27, 1985 | Nov 26, 1985 | Yes |
| 00 | Dec 18, 1985 | — | — |
| 00 | Jan 12, 1984 | Dec 10, 1979 | — |
| 00 | Jan 12, 1984 | Jul 17, 1967 | — |
| 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 42-321-00141 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-00141 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- Jun 2001
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000088851 | W-14 Disposal | Plugged Nov 2, 1982 | 8,000 | 400 | 2,096–2,555 |
| 000093723 | W-14 Disposal | Not activated | 6,000 | 750 | 2,030–6,000 |
MONTHLY INJECTED, BBL · H-10 · LAST 12 REPORTED MONTHS
Last 12 months 0
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/32100141, documented in the API reference.