WELL · 42-391-01146 · DISTRICT 2
Oconnor Thomas -C- #20
Refugio County · Tom Oconnor (5800) field · Vertical
Oconnor Thomas -C- #20 (API 42-391-01146) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1998 and 2017, permitted to 5,925 ft.
It was permitted by Hilcorp Energy Company and has since transferred to Quintana Pet. Corp. on the wellbore schedule.
Completion filings report 8 formation tops, including Lagarto, Surface Sand Clay, Oakville, Catahoula.
Its 7 leases have reported 3.73M barrels of oil and 2.83M mcf of gas since January 1993, last reporting in July 2026. The leases carry 152 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Hilcorp Energy Company; the EWA schedule now lists a different operator.
Refugio, TX · P-5 Y, filed Jun 9, 2000 · 1,589 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Quintana Pet. Corp. |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyMay 16, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,925
- total depth, ft
- 3
- permits on file
- May 16, 2017
- last permit issued
- —
- completed
- 3.73M
- cumulative oil, bbl
- 2.83M
- 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 7 leases this well is completed on; they carry 152 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 O'CONNOR(5600 Foot Sand)unit O-2-8950 | Tom O'Connor (5600 Foot Sand) | Hilcorp Energy Company | 59 | 1.13M | 357K | Mar 2005 – 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 |
| O'Connor, Thomas 'C' O-2-8272 | Tom Oconnor (5625 Sand) | Hilcorp Energy Company | 8 | 45.4K | 200K | Apr 1997 – Aug 2006 |
| Tom O'Connor (5600 Ft. Sd.) Unit O-2-8873 | Tom O'Connor (5600 Foot Sand) | Hilcorp Energy Company | 10 | 0 | 0 | Jun 2004 – Sep 2004 |
| O'Connor, Thomas 'C' G-2-177175 | Tom Oconnor (5625 Sand) | Quintana Pet. Corp. | 1 | 0 | 17.4K | Feb 2000 – Oct 2000 |
Oil, barrels lease total
Last 12 months 32,331 · prior 12 37,689(-14%)
Gas, mcf lease total
Last 12 months 1,078 · prior 12 2,164(-50%)
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 |
|---|---|---|---|---|---|---|
| 826154-99 | Recompletion | Hilcorp Energy Company | May 2, 2017 | May 16, 2017 | Apr 21, 2017 | 5,925 |
| 483736-99 | Recompletion | Quintana Pet. Corp. | Apr 8, 1999 | May 6, 1999 | Feb 9, 2000 | 5,925 |
| 479731-99 | Recompletion | Quintana Pet. Corp. | Sep 28, 1998 | Sep 30, 1998 | Nov 2, 1998 | 5,925 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-177175 | — | — | — | — |
| — | — O-2-1543 | — | — | — | — |
| — | — O-2-2587 | — | — | — | — |
| — | — O-2-8272 | — | — | — | — |
| — | — O-2-8272 | — | — | — | — |
| — | — O-2-8873 | — | — | — | — |
| — | — O-2-8950 | — | — | — | — |
| — | — O-2-9135 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 64 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTO | 1,500 | -1,436 |
| Surface Sand Clay | 1,500 | -1,436 |
| LagartoLARGARTO | 2,750 | -2,686 |
| Oakville | 2,750 | -2,686 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,236 |
| Oakville | 3,300 | -3,236 |
| Catahoula | 3,544 | -3,480 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,036 |
| Catahoula | 4,100 | -4,036 |
| CatahoulaCATAHOULA (MIOCENE) | 4,100 | -4,036 |
| Catahoulla (Miocene) | 4,100 | -4,036 |
| Frio | 4,317 | -4,253 |
| AnahuacANAHUAC (MIOCENE) | 4,365 | -4,301 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,365 | -4,301 |
| FrioFRIO-GRETA (OLIG) | 4,785 | -4,721 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,936 |
| FrioMIDDLE FRIO (SINTON) | 5,400 | -5,336 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,816 |
| FrioLOWER FRIO (OLIG) | 5,925 | -5,861 |
| JacksonJACKSON/YEGUA | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,150 | 5,157 | Perforated |
| 5,516 | 5,524 | Perforated |
| 5,542 | 5,552 | Perforated |
| 5,665 | 5,678 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,017 | 16 | 350 S |
| 5 | 5,924 | 8.75 | 500 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 | Jun 29, 2017 | May 31, 2017 | — |
| 00 | Mar 23, 2005 | Oct 31, 2000 | — |
| 00 | Oct 13, 2004 | Oct 31, 2000 | — |
| 00 | Aug 16, 2004 | Oct 31, 2000 | — |
| 00 | Mar 29, 2001 | Oct 31, 2000 | — |
| 00 | Nov 27, 2000 | — | — |
| 00 | Jul 18, 2000 | Apr 6, 2000 | Yes |
| 00 | Jun 9, 2000 | — | — |
| 00 | Feb 10, 1999 | Jan 7, 1999 | Yes |
| 00 | Jan 22, 1999 | — | — |
| 00 | Nov 5, 1985 | Oct 15, 1985 | — |
| 00 | Oct 25, 1985 | — | — |
| 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 42-391-01146 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01146 → 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/39101146, documented in the API reference.