TEXAS · WELLS · REFUGIO COUNTY · API 42-391-01543 · DISTRICT 02
O Connor Thomas A #28
Refugio County · Tom O Connor (5770 U South) field · Producing · Vertical
O Connor Thomas A #28 (API 42-391-01543) is a well in Refugio County operated by Hilcorp Energy Company, completed July 23, 1990 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 1990 and 2011, permitted to 5,915 ft.
Completion filings report 5 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 2 leases have reported 23.3M barrels of oil and 15.5M mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 622 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 Apr 2026 |
| Latest permit | Hilcorp Energy CompanyNov 8, 2011 |
- 5,915
- total depth, ft
- 3
- permits on file
- Nov 8, 2011
- last permit issued
- Jul 23, 1990
- completed
- 23.3M
- cumulative oil, bbl
- 15.5M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 23, 1990
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 622 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | 594 | 22.8M | 14.9M | Jan 1993 – Apr 2026 |
| O'Connor, Thomas "A" O-2-7579 | Tom O'Connor (5770 U, South) | Hilcorp Energy Company | 28 | 538K | 627K | Jan 1993 – Apr 2026 |
Oil, barrels lease total
Last 12 months 678,402 · prior 12 531,953(+28%)
Gas, mcf lease total
Last 12 months 117,881 · prior 12 84,467(+40%)
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 |
|---|---|---|---|---|---|---|
| 727408-99 | Recompletion | Hilcorp Energy Company | Nov 1, 2011 | Nov 8, 2011 | — | 5,915 |
| 370730-98 | Recompletion | Quintana Pet. Corp. | Nov 19, 1990 | Mar 12, 1990 | Jul 16, 1990 | 5,915 |
| 370730-99 | Recompletion | Quintana Pet. Corp. | Mar 9, 1990 | Mar 12, 1990 | — | 5,915 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 23, 1990 | O Connor Thomas A O-2-7579 | Tom O Connor (5770 U South) | Hilcorp Energy Company | Producing | 5,915 |
| — | Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | Not on Schedule | — |
| — | Oconnor Thomas -A- O-2-5012 | Tom Oconnor (5800) | Hilcorp Energy Company | Not on Schedule | — |
| — | Oconnor Thomas -A- O-2-1542 | Tom Oconnor | Hilcorp Energy Company | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 48 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,799 | 5,807 | Perforated |
| — | 5,800 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 499 | 16 | 100 S |
| 7 | 5,843 | 9.875 | 460 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 12, 1991 | Nov 7, 1990 | Yes |
| 00 | Jan 21, 1991 | — | — |
| 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 42-391-01543 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01543 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/39101543, documented in the API reference.