WELL · 42-391-01704 · DISTRICT 2
Mellon Oil Unit #12
Refugio County · Tom Oconnor (4400) field · Vertical
Mellon Oil Unit #12 (API 42-391-01704) is a plugged well in Refugio County, plugged August 21, 2007, last operated by T-C Oil Company LLC.
The RRC has issued one drilling permit, issued August 26, 1983, permitted to 4,439 ft.
It was permitted by Copano Gas Unit and has since transferred to T-C Oil Company LLC on the wellbore schedule.
Operator of record
Permitted by Copano Gas Unit; the EWA schedule now lists a different operator.
Refugio, TX · P-5 Y, filed Oct 4, 2025 · 287 permits on file · (361) 646-9296
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | T-C Oil Company LLC |
| Production reports | Copano Gas Unitthrough Oct 1998 |
| Latest permit | Copano Gas UnitAug 26, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,439
- total depth, ft
- 1
- permits on file
- Aug 26, 1983
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 244K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2007
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Aug 21, 2007
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 |
|---|---|---|---|---|---|---|
| Copano Gas Unit G-2-107069 | Tom Oconnor (4200) | T - C Oil Company | 1 | 0 | 244K | Jan 1993 – Aug 2007 |
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.
- 1Copano Gas UnitJan 1993 → Oct 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 207854-99 | Recompletion | Copano Gas Unit | Aug 18, 1983 | Aug 26, 1983 | — | 4,439 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-107069 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,186 | 4,196 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,017 | 15 | 438 S |
| 2.375 | 4,173 | — | — |
| 5.5 | 4,444 | 8.75 | 842 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 | Jan 12, 1984 | Sep 8, 1983 | — |
| 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 42-391-01704 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01704 → 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/39101704, documented in the API reference.