WELL · 42-391-33050 · DISTRICT 2
O Connor Thomas B #58
Refugio County · Mary Ellen Oconnor (FQ-25) field · Vertical
O Connor Thomas B #58 (API 42-391-33050) is a plugged well in Refugio County, plugged September 28, 2021, last operated by Hilcorp Energy Company.
The RRC has issued 2 drilling permits between 2012 and 2014, permitted to 8,000 ft.
Completion filings report 7 formation tops, including Surface Sand Clay, Lagarto, Oakville, Catahoula.
Its 2 leases have reported 29.2K barrels of oil and 70.1K mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Mar 2018 |
| Latest permit | Hilcorp Energy CompanyDec 31, 2014 |
- 8,000
- total depth, ft
- 2
- permits on file
- Dec 31, 2014
- last permit issued
- Dec 31, 2014
- completed
- 29.2K
- cumulative oil, bbl
- 70.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 31, 2014
- Shut in
- —
- Plugged
- Sep 28, 2021
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 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Thomas O'Connor 'B' O-2-10382 | Mary Ellen Oconnor (Frio 6500) | Hilcorp Energy Company | 3 | 28.4K | 67.2K | Oct 2012 – Jul 2026 |
| O'Connor, Thomas "B" O-2-7560 | Mary Ellen Oconnor (FQ-25) | Hilcorp Energy Company | 2 | 788 | 2.94K | Jan 1993 – Nov 2021 |
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.
- 1Quintana Pet. Corp.May 1993 → Jul 1998
- 2Hilcorp Energy CompanyOct 2012 → Feb 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 801978-99 | Recompletion | Hilcorp Energy Company | Dec 18, 2014 | Dec 31, 2014 | Dec 19, 2014 | 6,689 |
| 752114-99 | Drill | Hilcorp Energy Company | Nov 27, 2012 | Dec 5, 2012 | Dec 11, 2012 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-7560 | — | — | — | — |
| — | — O-2-10382 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 32 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,060 | 6,066 | Perforated |
| 6,540 | 6,550 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,400 | 12.25 | 720 S |
| 5.5 | 6,689 | 8.75 | 1,660 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 4, 2015 | Feb 13, 2015 | — |
| 00 | May 8, 2013 | Jan 14, 2013 | Yes |
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 42-391-33050 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-33050 → 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/39133050, documented in the API reference.