WELL · 42-321-00131 · DISTRICT 3
Ohio-Sun Unit #2E
Matagorda County · Markham N.-Bay City N. (7550) field · Vertical
Ohio-Sun Unit #2E (API 42-321-00131) is a disposal or injection well in Matagorda County operated by Marathon Oil Company under an active UIC permit.
The RRC has issued 3 drilling permits between 1980 and 1989, permitted to 8,821 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Anahuac, Frio.
It holds an active disposal or injection permit.
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 | Marathon Oil Company |
| Production reports | Marathon Oil Companythrough Oct 1995 |
| Latest permit | Marathon Oil CompanyFeb 23, 1989 |
- 8,821
- total depth, ft
- 3
- permits on file
- Feb 23, 1989
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 321K
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ohio Sun Unit G-3-132362 | Markham,n.-Bay City,n. (Yeager) | Allegiant Resources, LLC | 1 | 0 | 321K | Jan 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.
- 1Marathon Oil CompanyJan 1993 → Oct 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 356261-99 | Recompletion | Marathon Oil Company | Feb 21, 1989 | Feb 23, 1989 | — | 8,821 |
| 154843-99 | Recompletion | Marathon Oil Company | Mar 26, 1982 | Mar 26, 1982 | — | 8,821 |
| 84281-99 | Other | Marathon Oil Company | Jun 18, 1980 | Jun 18, 1980 | — | 8,821 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-132362 | — | — | — | — |
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 |
|---|---|---|
| 2,982 | 3,028 | Perforated |
| 3,035 | 3,048 | Perforated |
| 3,100 | 3,113 | Perforated |
| 3,118 | 3,138 | Perforated |
| 5,318 | 5,470 | Perforated |
| 6,736 | 6,740 | Perforated |
| 6,816 | 6,820 | Perforated |
| 7,071 | 7,076 | Perforated |
| 7,139 | — | Perforated |
| 7,526 | — | Perforated |
| 8,360 | 8,365 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,572 | 15 | 800 S |
| 10.75 | 1,572 | — | 800 S |
| 2 | 6,720 | — | — |
| 2 | 7,000 | — | — |
| 2 | 7,480 | — | — |
| 5.5 | 8,794 | 8.75 | 882 S |
| 5.5 | 8,795 | 8.75 | 882 S |
| 5.5 | 8,795 | — | 882 S |
| 5.5 | 8,795 | 9.875 | 900 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 | Aug 5, 2003 | Jun 12, 2003 | — |
| 00 | Feb 11, 2002 | Aug 24, 2001 | — |
| 00 | Dec 27, 1989 | Sep 25, 1989 | Yes |
| 00 | Nov 17, 1989 | — | — |
| 00 | Jan 12, 1984 | Jun 23, 1982 | — |
| 00 | Jan 12, 1984 | Aug 27, 1980 | — |
| 00 | Jan 12, 1984 | Sep 10, 1973 | — |
| 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 42-321-00131 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-00131 → 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
- 225K
- bbl, all reported
- Dec 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000086342 | W-14 Disposal | Active | 15,000 | 750 | 2,000–5,470 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 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/32100131, documented in the API reference.