WELL · 42-391-01518 · DISTRICT 2
O'Connor, Thomas "A" #43
Refugio County · Vertical
O'Connor, Thomas "A" #43 (API 42-391-01518) is a former disposal or injection well in Refugio County, last operated by Hilcorp Energy Company; its UIC permit is no longer active.
The RRC has issued 5 drilling permits (amended once) between 1988 and 2001, permitted to 5,925 ft.
Completion filings report 5 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 4 leases have reported 257K barrels of oil and 693K mcf of gas since January 1993, last reporting in July 2026. The leases carry 22 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 Jan 2022 |
| Latest permit | Hilcorp Energy CompanyFeb 15, 2001 |
- 5,925
- total depth, ft
- 6
- permits on file
- Feb 15, 2001
- last permit issued
- —
- completed
- 257K
- cumulative oil, bbl
- 693K
- 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 22 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| O'Connor, Thomas -A- G-2-183195 | Tom Oconnor (4200) | Hilcorp Energy Company | 1 | 0 | 285K | Mar 2001 – Jul 2026 |
| Oconnor, Thomas, -A- O-2-2627 | Tom Oconnor (5500 Sand) | Hilcorp Energy Company | 9 | 151K | 150K | Jan 1993 – Jul 2026 |
| Oconnor, Thomas, -A- O-2-2875 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | 11 | 107K | 236K | Jan 1993 – Jul 2026 |
| O'Connor, Thomas "A" G-2-153050 | Tom O'Connor (4840) | Hilcorp Energy Company | 1 | 0 | 23.5K | Oct 1994 – Mar 2001 |
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.Jan 1993 → Nov 2000
- 2Hilcorp Energy CompanyDec 2000 → Jan 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 505220-98 | Recompletion | Hilcorp Energy Company | Mar 19, 2001 | Feb 15, 2001 | Mar 6, 2001 | 5,925 |
| 505220-99 | Recompletion | Hilcorp Energy Company | Feb 12, 2001 | Feb 15, 2001 | — | 5,925 |
| 430019-99 | Recompletion | Quintana Pet. Corp. | Nov 14, 1994 | Dec 8, 1994 | Oct 12, 1994 | 5,925 |
| 425664-99 | Recompletion | Quintana Pet. Corp. | Jul 8, 1994 | Jul 11, 1994 | — | 5,925 |
| 392789-99 | Recompletion | Quintana Pet. Corp. | Oct 10, 1991 | Oct 17, 1991 | Oct 14, 1991 | 5,925 |
| 343119-99 | Recompletion | Quintana Pet. Corp. | Feb 24, 1988 | Feb 26, 1988 | — | 5,925 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-153050 | — | — | — | — |
| — | — G-2-183195 | — | — | — | — |
| — | — O-2-2627 | — | — | — | — |
| — | — O-2-2627 | — | — | — | — |
| — | — O-2-2875 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 50 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTA | 1,500 | -1,450 |
| LagartoLARGARTO | 1,500 | -1,450 |
| Oakville | 2,750 | -2,700 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,250 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,050 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,365 | -4,315 |
| FrioMIDDLE FRIO (SINTO) | 5,000 | -4,950 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,950 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,830 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,952 | 3,958 | Perforated |
| 4,139 | 4,158 | Perforated |
| 5,063 | 5,067 | Perforated |
| 5,564 | 5,570 | Perforated |
| 5,860 | 5,866 | Perforated |
| — | 5,536 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,031 | 16 | 250 S |
| 5 | 5,923 | 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 | Sep 11, 2001 | Mar 30, 2001 | Yes |
| 00 | Jul 17, 2001 | — | — |
| 00 | Mar 7, 1995 | — | Yes |
| 00 | Dec 12, 1991 | Oct 24, 1991 | Yes |
| 00 | Nov 4, 1991 | May 17, 1985 | — |
| 00 | Jun 7, 1985 | May 17, 1985 | — |
| 00 | May 25, 1985 | Dec 14, 1976 | — |
| 00 | Jan 12, 1984 | Dec 14, 1976 | — |
| 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 42-391-01518 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01518 → 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
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- Dec 1994
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000081513 | H-1 Injection | Canceled Jan 24, 1995 | 6,000 | 2,000 | 5,749–5,760 |
MONTHLY INJECTED, BBL · H-10 · LAST 12 REPORTED MONTHS
Last 12 months 0
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/39101518, documented in the API reference.