WELL · 42-391-01531 · DISTRICT 2
Tom O'Connor (4150 Ft. Sd.) Unit #W002GA
Refugio County · Vertical
Tom O'Connor (4150 FT. SD.) Unit #W002GA (API 42-391-01531) is a disposal or injection well in Refugio County operated by Hilcorp Energy Company under an active UIC permit.
The RRC has issued 7 drilling permits (amended twice) between 1979 and 2014, permitted to 5,915 ft.
Completion filings report 9 formation tops, including Lagarto, Surface Clay & Sand, Surface Sand & Clay, Oakville.
Its 4 leases have reported 618K barrels of oil and 2.12M mcf of gas since January 1993, last reporting in July 2026. The leases carry 81 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 367K barrels injected in the 12 months reported through September 2025.
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Hilcorp Energy Companythrough Jul 2025 |
| Latest permit | Hilcorp Energy CompanyMar 6, 2014 |
- 5,915
- total depth, ft
- 9
- permits on file
- Mar 6, 2014
- last permit issued
- —
- completed
- 618K
- cumulative oil, bbl
- 2.12M
- 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 81 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Oconnor, Thomas, -A- O-2-2875 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | 11 | 107K | 236K | Jan 1993 – Jul 2026 |
| Tom O'Connor (4150 Ft. Sd.) Unit O-2-8874 | Tom O'Connor (4150) | Hilcorp Energy Company | 68 | 512K | 461K | Jun 2004 – Jul 2026 |
| O'Connor, Thomas "A" G-2-195871 | Tom O'Connor (5350 Sand) | Hilcorp Energy Company | 1 | 0 | 190K | May 2003 – May 2014 |
| Tom O'Connor 4400 Sand Gas Unit G-2-162511 | Tom Oconnor (4400) | Hilcorp Energy Company | 1 | 0 | 1.23M | Feb 1997 – May 2003 |
Oil, barrels lease total
Last 12 months 102 · prior 12 4,813(-98%)
Gas, mcf lease total
Last 12 months 86 · prior 12 366(-77%)
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 → Jul 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 779524-98 | Recompletion | Hilcorp Energy Company | Mar 13, 2014 | Mar 6, 2014 | Feb 21, 2014 | 5,915 |
| 779524-99 | Recompletion | Hilcorp Energy Company | Feb 11, 2014 | Mar 6, 2014 | — | 5,915 |
| 532017-99 | Recompletion | Hilcorp Energy Company | May 16, 2003 | May 19, 2003 | May 13, 2003 | 5,915 |
| 458209-99 | Recompletion | Quintana Pet. Corp. | Feb 5, 1997 | Feb 6, 1997 | Feb 13, 1997 | 5,915 |
| 374407-98 | Recompletion | Quintana Pet. Corp. | Aug 12, 1991 | Jul 6, 1990 | — | 5,913 |
| 374407-99 | Recompletion | Quintana Pet. Corp. | Jun 12, 1990 | Jul 6, 1990 | — | 5,913 |
| 333188-99 | Recompletion | Quintana Pet. Corp. | Jul 20, 1987 | Jul 27, 1987 | — | 5,915 |
| 274028-99 | Recompletion | Quintana Pet. Corp. | May 1, 1985 | May 2, 1985 | — | 5,913 |
| 59253-99 | Recompletion | Quintana Pet. Corp. | Sep 17, 1979 | Sep 17, 1979 | — | 5,913 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-162511 | — | — | — | — |
| — | — G-2-195871 | — | — | — | — |
| — | — O-2-2875 | — | — | — | — |
| — | — O-2-8874 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 53 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTO | 1,500 | -1,447 |
| Surface Clay & Sand | 1,500 | -1,447 |
| Surface Sand & Clay | 1,500 | -1,447 |
| LagartoLARGARTO | 2,750 | -2,697 |
| Oakville | 2,750 | -2,697 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,247 |
| Oakville | 3,300 | -3,247 |
| Catahoula | 3,600 | -3,547 |
| AnahuacANAHUAC SHALE (MIOCENE) | 4,100 | -4,047 |
| Catahoula | 4,100 | -4,047 |
| CatahoulaCATAHOULA (MIOCENE) | 4,100 | -4,047 |
| Frio | 4,335 | -4,282 |
| AnahuacANAHUAC (MIOCENE) | 4,365 | -4,312 |
| AnahuacANAHUAC SHALE | 4,365 | -4,312 |
| AnahuacANAHUAC SHALE (MIOCENE) | 4,365 | -4,312 |
| FrioFRIO-CRETA (OLIGOCENE) | 4,365 | -4,312 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,780 | -4,727 |
| FrioFRIO-GRETA | 4,785 | -4,732 |
| FrioFRIO-GRETA (OLIG) | 4,785 | -4,732 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,947 |
| FrioMIDDLE FRIO (SINTON) | 5,400 | -5,347 |
| FrioLOWER FRIO(OLIGOCENE) | 5,880 | -5,827 |
| FrioLOWER FRIO (OLIGOCENE) | 5,915 | -5,862 |
| JacksonJACKSON-YEGUA | — | — |
| JacksonJACKSON/YEGUA | — | — |
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,112 | 4,122 | Perforated |
| 4,346 | 4,352 | Perforated |
| 4,346 | 4,356 | Perforated |
| 5,331 | 5,338 | Perforated |
| 5,522 | 5,524 | Perforated |
| 5,843 | 5,853 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,422 | 14 | 810 S |
| 9.625 | 1,422 | — | 850 S |
| 5.5 | 5,913 | 8.75 | 900 S |
| 5.5 | 5,913 | — | 900 S |
| 5.5 | 5,915 | 8.75 | 900 S |
| 5.5 | 5,916 | 8.75 | 900 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 | Oct 12, 2018 | Oct 4, 2018 | — |
| 00 | Feb 11, 2015 | Jun 6, 2014 | — |
| 00 | Feb 12, 2004 | Jun 4, 2003 | Yes |
| 00 | Aug 11, 2003 | — | — |
| 00 | Jul 28, 1997 | Mar 28, 1997 | Yes |
| 00 | Apr 25, 1997 | — | — |
| 00 | Nov 13, 1985 | Dec 22, 1976 | — |
| 00 | Jan 12, 1984 | Oct 19, 1979 | — |
| 00 | Jan 12, 1984 | Dec 22, 1976 | — |
| 00 | Jan 12, 1984 | Oct 29, 1968 | — |
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 42-391-01531 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01531 → 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
- 367K
- bbl, last 12 reported months
- 1.47M
- bbl, all reported
- Sep 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000116258 | H-1 Injection | Active | 5,000 | 2,025 | 4,050–4,200 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 367,157 · prior 12 696,712(-47%)
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/39101531, documented in the API reference.