WELL · 42-321-00052 · DISTRICT 3
Ohio-Sun Unit #38A
Matagorda County · Vertical
Ohio-Sun Unit #38A (API 42-321-00052) is a permitted well in Matagorda County filed by Comstock Oil & Gas, Inc.; no completion report is on file yet.
The RRC has issued 4 drilling permits between 1979 and 2003, permitted to 8,315 ft.
Completion filings report 5 formation tops, including Miocene (undifferentiated), Anahuac, Frio, Robertson.
Its 3 leases have reported 2.17K barrels of oil and 99.1K mcf of gas since January 1993, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Frisco, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jan 12, 2004
- Permits on file
- 319
- Phone
- (800) 877-1322
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Remora Management, LLCthrough Sep 2016 |
| Latest permit | Comstock Oil & Gas, Inc.Aug 11, 2003 |
- 8,315
- total depth, ft
- 4
- permits on file
- Aug 11, 2003
- last permit issued
- —
- completed
- 2.17K
- cumulative oil, bbl
- 99.1K
- 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 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ohio-Sun Unit O-3-8423 | Markham N.-Bay City,n(robertson) | Allegiant Resources, LLC | 6 | 2.17K | 0 | Jan 1993 – Jul 2026 |
| Ohio-Sun Unit G-3-151974 | Markham N.-Bay CITY,N(MARK.7900) | Comstock Oil & Gas, Inc. | 1 | 0 | 70.8K | Nov 1994 – Aug 2003 |
| Ohio Sun Unit G-3-117728 | Markham N.-Bay City, N (Carlson) | Marathon Oil Company | 1 | 0 | 28.4K | Jan 1993 – Nov 1994 |
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 CompanyMar 1993 → Aug 1997
- 2Remora Management, LLCApr 2016 → Sep 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 535194-99 | Recompletion | Comstock Oil & Gas, Inc. | Aug 11, 2003 | Aug 11, 2003 | Aug 12, 2003 | 7,590 |
| 430775-99 | Recompletion | Marathon Oil Company | Dec 8, 1994 | Dec 8, 1994 | Oct 25, 1994 | 8,315 |
| 247609-99 | Recompletion | Marathon Oil Company | Aug 1, 1984 | Aug 1, 1984 | — | 8,315 |
| 45822-99 | Recompletion | Marathon Oil Company | Mar 22, 1979 | Mar 22, 1979 | — | 8,315 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-117728 | — | — | — | — |
| — | — G-3-151974 | — | — | — | — |
| — | — O-3-8423 | — | — | — | — |
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 |
| Robertson | 6,888 | -6,817 |
| Choate | 7,125 | -7,054 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,888 | 6,892 | Perforated |
| 6,899 | — | Perforated |
| 6,924 | 6,928 | Perforated |
| 7,125 | 7,130 | Perforated |
| 7,374 | 8,378 | Perforated |
| 7,655 | 7,679 | Perforated |
| 7,855 | 7,858 | Perforated |
| — | 6,958 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,541 | 15 | 650 S |
| 10.75 | 2,591 | 15 | 1,650 S |
| 7 | 8,305 | 9.875 | 650 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 30, 2010 | Jul 29, 2010 | — |
| 00 | Feb 2, 2009 | Dec 9, 2008 | — |
| 00 | Nov 25, 2003 | Oct 27, 2003 | Yes |
| 00 | Nov 6, 2003 | — | — |
| 00 | Oct 27, 1998 | Jul 22, 1998 | — |
| 00 | Jul 21, 1998 | Jun 4, 1998 | — |
| 00 | Jan 2, 1995 | Dec 7, 1994 | Yes |
| 00 | Dec 23, 1994 | — | — |
| 00 | Oct 1, 1985 | Aug 19, 1985 | — |
| 00 | Sep 6, 1985 | — | — |
| 00 | Nov 12, 1984 | Oct 9, 1984 | — |
| 00 | Jan 12, 1984 | Oct 10, 1979 | — |
| 00 | Jan 12, 1984 | Dec 12, 1972 | — |
| 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 42-321-00052 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-00052 → 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/32100052, documented in the API reference.