WELL · 42-391-00514 · DISTRICT 2
Tom O'Connor (5600 Ft. Sd.) Unit #W907B
Refugio County · Vertical
Tom O'Connor (5600 FT. SD.) Unit #W907B (API 42-391-00514) is a disposal or injection well in Refugio County operated by Hilcorp Energy Company under an active UIC permit.
The RRC has issued 3 drilling permits between 1979 and 2005, permitted to 5,928 ft.
Completion filings report 7 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 4 leases have reported 24M barrels of oil and 15.4M mcf of gas since January 1993, last reporting in July 2026. The leases carry 668 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 336K barrels injected in the 12 months reported through November 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 Apr 2026 |
| Latest permit | Hilcorp Energy CompanySep 15, 2005 |
- 5,928
- total depth, ft
- 3
- permits on file
- Sep 15, 2005
- last permit issued
- —
- completed
- 24M
- cumulative oil, bbl
- 15.4M
- 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 668 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 – Jul 2026 |
| Tom O'CONNOR(5600 Foot Sand)unit O-2-8950 | Tom O'Connor (5600 Foot Sand) | Hilcorp Energy Company | 59 | 1.13M | 357K | Mar 2005 – Jul 2026 |
| Williams, Maude et al "B" O-2-7714 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | 5 | 40.8K | 109K | Jan 1993 – Dec 2018 |
| Tom O'Connor (5600 Ft. Sd.) Unit O-2-8873 | Tom O'Connor (5600 Foot Sand) | Hilcorp Energy Company | 10 | 0 | 0 | Jun 2004 – Sep 2004 |
Oil, barrels lease total
Last 12 months 684,603 · prior 12 537,324(+27%)
Gas, mcf lease total
Last 12 months 117,715 · prior 12 83,839(+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 |
|---|---|---|---|---|---|---|
| 606366-99 | Recompletion | Hilcorp Energy Company | Sep 14, 2005 | Sep 15, 2005 | Feb 4, 2005 | 5,928 |
| 416505-99 | Recompletion | Quintana Pet. Corp. | Sep 28, 1993 | Sep 30, 1993 | Oct 5, 1993 | 5,928 |
| 51980-99 | Other | Quintana Pet. Corp. | Jul 2, 1979 | Jul 2, 1979 | — | 5,926 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-5280 | — | — | — | — |
| — | — O-2-7714 | — | — | — | — |
| — | — O-2-7714 | — | — | — | — |
| — | — O-2-8873 | — | — | — | — |
| — | — O-2-8950 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 58 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTO | 1,500 | -1,442 |
| Oakville | 2,750 | -2,692 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,242 |
| Catahoula | 3,624 | -3,566 |
| CatahoulaCATAHOULA - DISPOSAL, H2S (CORDE | 3,624 | -3,566 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,042 |
| FrioFRIO-GRETA (OLIGOCEE) | 4,365 | -4,307 |
| Frio | 4,370 | -4,312 |
| FrioFRIO - DISPOSAL | 4,370 | -4,312 |
| FrioMIDDLE FRIO(SINTON | 5,000 | -4,942 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,822 |
| JacksonJACKSON/YEGUA | — | — |
| JacksonJACKSON-YEGUA - DISPOSAL | — | — |
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,643 | 5,655 | Perforated |
| 5,915 | 5,923 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,004 | 16 | 350 S |
| 9.625 | 1,015 | 16 | 350 S |
| 5 | 5,926 | 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 | Jul 27, 2026 | Jun 17, 2026 | — |
| 00 | May 29, 2019 | Apr 30, 2019 | — |
| 00 | May 5, 2006 | Oct 3, 2005 | Yes |
| 00 | Jan 17, 2006 | Oct 21, 1993 | Yes |
| 00 | Oct 14, 2004 | Oct 21, 1993 | Yes |
| 00 | Aug 16, 2004 | Oct 21, 1993 | Yes |
| 00 | Dec 16, 1993 | Oct 21, 1993 | Yes |
| 00 | Nov 3, 1993 | — | — |
| 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 42-391-00514 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00514 → 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
- 336K
- bbl, last 12 reported months
- 7.85M
- bbl, all reported
- Nov 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000094739 | H-1 Injection | Active | 10,000 | 2,000 | 5,634–5,670 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 336,302 · prior 12 570,247(-41%)
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/39100514, documented in the API reference.