WELL · 42-391-31608 · DISTRICT 2
Thomas O'Connor 'C' #80
Refugio County · Vertical
Thomas O'Connor 'C' #80 (API 42-391-31608) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.
The RRC has issued 6 drilling permits (amended once) between 1982 and 2014, permitted to 7,000 ft.
Completion filings report 9 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 4 leases have reported 25.3M barrels of oil and 17.2M mcf of gas since January 1993, last reporting in July 2026. The leases carry 668 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyFeb 7, 2014 |
- 7,000
- total depth, ft
- 7
- permits on file
- Feb 7, 2014
- last permit issued
- —
- completed
- 25.3M
- cumulative oil, bbl
- 17.2M
- 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 4 leases this well is completed on; they carry 668 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Oconnor, Thomas, -C- O-2-2587 | Tom Oconnor (5500 Sand) | Hilcorp Energy Company | 51 | 2.22M | 2.1M | Jan 1993 – Jul 2026 |
| Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | 594 | 22.8M | 14.9M | Jan 1993 – Jul 2026 |
| O'Connor, Thomas -C- O-2-9135 | Tom Oconnor (5200, East) | Hilcorp Energy Company | 12 | 272K | 61.7K | Apr 2007 – Jul 2026 |
| Oconnor, Thomas -C- O-2-1543 | Tom Oconnor | Hilcorp Energy Company | 11 | 61.5K | 88.8K | Jan 1993 – Mar 2014 |
Oil, barrels lease total
Last 12 months 694,128 · prior 12 549,181(+26%)
Gas, mcf lease total
Last 12 months 118,415 · prior 12 85,749(+38%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Quintana Pet. Corp.Jan 1993 → Nov 2000
- 2Hilcorp Energy CompanyDec 2000 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 778470-99 | Recompletion | Hilcorp Energy Company | Jan 29, 2014 | Feb 7, 2014 | Jan 6, 2014 | 6,110 |
| 682451-99 | Recompletion | Hilcorp Energy Company | Jun 23, 2009 | Jul 7, 2009 | — | 6,110 |
| 680209-99 | Recompletion | Hilcorp Energy Company | Apr 7, 2009 | Apr 15, 2009 | Apr 22, 2009 | 6,110 |
| 522049-99 | Recompletion | Hilcorp Energy Company | Jul 22, 2002 | Jul 24, 2002 | Aug 27, 2002 | 6,110 |
| 357927-99 | Recompletion | Quintana Pet. Corp. | Apr 10, 1989 | May 4, 1989 | — | 6,110 |
| 182833-98 | Drill | Quintana Pet. Corp. | Jul 3, 1987 | Dec 31, 1982 | — | 6,110 |
| 182833-99 | Drill | Quintana Pet. Corp. | Dec 31, 1982 | Dec 31, 1982 | — | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-1543 | — | — | — | — |
| — | — O-2-2587 | — | — | — | — |
| — | — O-2-5280 | — | — | — | — |
| — | — O-2-9135 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTO | 1,500 | -1,445 |
| Oakville | 2,750 | -2,695 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,245 |
| Catahoula | 3,540 | -3,485 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,045 |
| Greta | 4,330 | -4,275 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,365 | -4,310 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,945 |
| Sinton SDS | 5,025 | -4,970 |
| 5900 SD | 5,800 | -5,745 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,825 |
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,158 | 5,164 | Perforated |
| 5,517 | 5,526 | Perforated |
| 5,562 | 5,572 | Perforated |
| 5,576 | 5,586 | Perforated |
| 5,718 | 5,724 | Perforated |
| 5,795 | 5,803 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,515 | 14.75 | 770 S |
| 2.875 | 5,778 | — | — |
| 7.625 | 6,107 | 9.875 | 1,100 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 6, 2014 | Feb 18, 2014 | — |
| 00 | Oct 14, 2009 | Jun 11, 2009 | Yes |
| 00 | Aug 20, 2009 | — | — |
| 00 | Oct 21, 2002 | Sep 16, 2002 | Yes |
| 00 | Oct 4, 2002 | — | — |
| 00 | Nov 20, 1989 | Aug 24, 1989 | Yes |
| 00 | Nov 8, 1989 | — | — |
| 00 | Jan 12, 1984 | Apr 11, 1983 | — |
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 42-391-31608 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-31608 → 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/39131608, documented in the API reference.