WELL · 42-321-00379 · DISTRICT 3
Ohio-Sun Unit #16F
Matagorda County · Markham N.-Bay City N (W. 3 UP) field · Vertical
Ohio-Sun Unit #16F (API 42-321-00379) is a permitted well in Matagorda County filed by Marathon Oil Company; no completion report is on file yet.
The RRC has issued one drilling permit, issued May 21, 1987, permitted to 11,680 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Anahuac, Frio.
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 | none |
| Latest permit | Marathon Oil CompanyMay 21, 1987 |
- 11,680
- total depth, ft
- 1
- permits on file
- May 21, 1987
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ohio-Sun Unit O-3-8075 | Markham N.-Bay City, N (Dwyer) | Allegiant Resources, LLC | 2 | 0 | 0 | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 330530-99 | Recompletion | Marathon Oil Company | May 20, 1987 | May 21, 1987 | — | 11,680 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-8075 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 58 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 2,500 | -2,442 |
| Anahuac | 5,500 | -5,442 |
| Frio | 6,900 | -6,842 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,473 | 8,477 | Perforated |
| — | 8,852 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.625 | 2,075 | 17.5 | 1,680 S |
| 13.375 | 2,075 | 17.5 | 1,680 S |
| 2.375 | 8,560 | — | — |
| 8.625 | 8,904 | 11 | 758 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 19, 1987 | Jul 20, 1987 | Yes |
| 00 | Jul 28, 1987 | — | — |
| 00 | Jan 12, 1984 | Oct 29, 1975 | — |
| 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 42-321-00379 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-00379 → 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/32100379, documented in the API reference.