TEXAS · WELLS · REFUGIO COUNTY · API 42-391-01511 · DISTRICT 02
O Connor Thomas A #20
Refugio County · Tom O Connor (5770 U South) field · Vertical
O Connor Thomas A #20 (API 42-391-01511) is a plugged well in Refugio County, plugged January 26, 2006, last operated by Hilcorp Energy Company.
The RRC has issued 5 drilling permits (amended 4 times) between 1989 and 2006, permitted to 5,910 ft.
Completion filings report 6 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 5 leases have reported 24.1M barrels of oil and 16.5M mcf of gas since January 1993, last reporting in July 2026. The leases carry 670 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 | none |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyJan 23, 2006 |
- 5,910
- total depth, ft
- 9
- permits on file
- Jan 23, 2006
- last permit issued
- Apr 16, 2002
- completed
- 24.1M
- cumulative oil, bbl
- 16.5M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 16, 2002
- Shut in
- —
- Plugged
- Jan 26, 2006
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 5 leases this well is completed on; they carry 670 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Oconnor, Thomas -A- O-2-1542 | Tom Oconnor | Hilcorp Energy Company | 36 | 650K | 756K | Jan 1993 – Jul 2026 |
| Oconnor, Thomas, -A- O-2-2875 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | 11 | 107K | 236K | 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 "A" O-2-7579 | Tom O'Connor (5770 U, South) | Hilcorp Energy Company | 28 | 538K | 627K | Jan 1993 – Jul 2026 |
| O'Connor, Thomas "A" G-2-151876 | Tom Oconnor (5275) | Hilcorp Energy Company | 1 | 0 | 5.61K | Sep 1994 – Aug 2003 |
Oil, barrels lease total
Last 12 months 734,019 · prior 12 569,900(+29%)
Gas, mcf lease total
Last 12 months 118,722 · prior 12 86,153(+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 |
|---|---|---|---|---|---|---|
| 612517-99 | Recompletion | Hilcorp Energy Company | Jan 17, 2006 | Jan 23, 2006 | — | 5,910 |
| 501566-98 | Recompletion | Hilcorp Energy Company | Apr 24, 2002 | Nov 7, 2000 | Apr 8, 2002 | 5,910 |
| 501566-99 | Recompletion | Quintana Pet. Corp. | Nov 3, 2000 | Nov 7, 2000 | — | 5,909 |
| 413850-96 | Recompletion | Quintana Pet. Corp. | Sep 19, 1994 | Jul 19, 1993 | Aug 22, 1994 | 5,909 |
| 413850-97 | Recompletion | Quintana Pet. Corp. | Aug 1, 1994 | Jul 19, 1993 | — | 5,909 |
| 413850-98 | Recompletion | Quintana Pet. Corp. | Jul 21, 1994 | Jul 19, 1993 | — | 5,909 |
| 413850-99 | Recompletion | Quintana Pet. Corp. | Jul 14, 1993 | Jul 19, 1993 | — | 5,909 |
| 398592-99 | Recompletion | Quintana Pet. Corp. | Apr 21, 1992 | Apr 22, 1992 | Apr 22, 1992 | 5,909 |
| 365378-99 | Drill | Quintana Pet. Corp. | Oct 19, 1989 | Dec 19, 1989 | — | 5,909 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 16, 2002 | O Connor Thomas A O-2-7579 | Tom O Connor (5770 U South) | Hilcorp Energy Company | Plugged | — |
| Sep 12, 1994 | Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | Plugged | — |
| Sep 12, 1994 | O Connor Thomas A G-2-151876 | Tom Oconnor (5275) | Hilcorp Energy Company | Plugged | — |
| Apr 28, 1992 | Oconnor Thomas -A- O-2-2875 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | Plugged | — |
| Feb 22, 1977 | O Connor Thomas A O-2-7579 | Tom O Connor (5770 U South) | Hilcorp Energy Company | Plugged | — |
| Feb 22, 1977 | Oconnor Thomas -A- O-2-1542 | Tom Oconnor | Hilcorp Energy Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 52 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTO | 1,500 | -1,448 |
| Oakville | 2,750 | -2,698 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,248 |
| CatahoulaCATAHOULA(MIOCENE) | 3,300 | -3,248 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,048 |
| AnahuacANAHUAC(MIOCENE) | 4,100 | -4,048 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,365 | -4,313 |
| FrioFRIO-GRETA(OLIGOCENE) | 4,365 | -4,313 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,948 |
| FrioMIDDLE FRIO(SINTON) | 5,000 | -4,948 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,828 |
| FrioLOWER FRIO(OLIGOCENE) | 5,880 | -5,828 |
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,276 | 5,282 | Perforated |
| 5,716 | 5,723 | Perforated |
| 5,716 | 5,726 | Perforated |
| 5,790 | 5,802 | Perforated |
| 5,864 | 5,875 | Perforated |
| — | 5,725 | Perforated |
| — | 5,900 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 499 | 16 | 100 S |
| 7 | 5,753 | 9.875 | 450 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 4, 2006 | May 7, 2002 | — |
| 00 | Oct 13, 2005 | Oct 27, 1994 | Yes |
| 00 | May 11, 1995 | Oct 27, 1994 | Yes |
| 00 | Jan 20, 1995 | Oct 27, 1994 | Yes |
| 00 | Dec 9, 1994 | — | — |
| 00 | Nov 4, 1994 | May 14, 1992 | Yes |
| 00 | Jun 11, 1992 | May 14, 1992 | Yes |
| 00 | May 26, 1992 | — | — |
| 00 | Jun 12, 1990 | Oct 23, 1989 | — |
| 00 | Apr 12, 1990 | — | — |
| 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 42-391-01511 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01511 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 682K
- bbl, last 12 reported months
- 682K
- bbl, all reported
- Nov 2002
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000091973 | H-1 Injection | Plugged Feb 6, 2006 | 5,000 | 2,800 | 5,710–5,730 |
MONTHLY INJECTED, BBL · H-10 · LAST 12 REPORTED MONTHS
Last 12 months 681,848
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/39101511, documented in the API reference.