TEXAS · WELLS · REFUGIO COUNTY · API 42-391-00561 · DISTRICT 02
Tom O CONNOR(5600 Foot Sand)unit #W331B
Refugio County · Tom O Connor (5600 Foot Sand) field · Shut In · Vertical
Tom O Connor(5600 Foot Sand)Unit #W331B (API 42-391-00561) is a well in Refugio County operated by Hilcorp Energy Company, completed August 12, 2005 and listed as shut in on the RRC schedule, shut in January 1, 2006.
The RRC has issued 5 drilling permits between 1977 and 2005, permitted to 5,925 ft.
Completion filings report 7 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 2 leases have reported 23.9M barrels of oil and 15.3M mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 653 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
- 3,458
- 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 CompanyAug 16, 2005 |
- 5,925
- total depth, ft
- 5
- permits on file
- Aug 16, 2005
- last permit issued
- Aug 12, 2005
- completed
- 23.9M
- cumulative oil, bbl
- 15.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 12, 2005
- Shut in
- Jan 1, 2006
- 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 653 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 |
| 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 – Apr 2026 |
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 |
|---|---|---|---|---|---|---|
| 604952-99 | Recompletion | Hilcorp Energy Company | Aug 15, 2005 | Aug 16, 2005 | Jul 15, 2005 | 5,925 |
| 286673-99 | Recompletion | Quintana Pet. Corp. | Sep 20, 1985 | Oct 8, 1985 | — | 5,925 |
| 286671-99 | Recompletion | Quintana Pet. Corp. | Sep 20, 1985 | Oct 8, 1985 | — | 5,925 |
| 270859-99 | Recompletion | Quintana Pet. Corp. | Mar 26, 1985 | Mar 27, 1985 | — | 5,925 |
| 9474-99 | Recompletion | Quintana Pet. Corp. | Oct 11, 1977 | Oct 11, 1977 | — | 5,925 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 12, 2005 | Tom O CONNOR(5600 Foot Sand)unit O-2-8950 | Tom O Connor (5600 Foot Sand) | Hilcorp Energy Company | Shut In · shut in Jan 1, 2006 | 5,925 |
| Mar 6, 1998 | Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | Not on Schedule | — |
| May 30, 1985 | Heard Fannie V. W. Mrs. O-2-2874 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | Not on Schedule | — |
| Nov 8, 1977 | Heard Fannie V. W. Mrs. O-2-1541 | Tom Oconnor | Hilcorp Energy Company | Not on Schedule | — |
| — | Heard Fannie V. W. Mrs. O-2-2586 | Tom Oconnor (5500 Sand) | Hilcorp Energy Company | Not on Schedule | — |
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 |
| LagartoLARGARTO | 2,750 | -2,698 |
| Oakville | 2,750 | -2,698 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,248 |
| Oakville | 3,300 | -3,248 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,048 |
| AnahuacANAHUAC(MIOCENE) | 4,100 | -4,048 |
| Catahoula | 4,100 | -4,048 |
| Anahuac | 4,365 | -4,313 |
| FrioFRIO-GRETA (OLIBOCENE) | 4,365 | -4,313 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,365 | -4,313 |
| FrioFRIO-GRETA | 4,785 | -4,733 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,948 |
| FrioMIDDLE FRIO | 5,400 | -5,348 |
| FrioLOWER FRIO(OLIBOCENE) | 5,880 | -5,828 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,828 |
| Lwr. Frio | 5,925 | -5,873 |
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,579 | 5,591 | Perforated |
| 5,580 | 5,590 | Perforated |
| 5,743 | 5,760 | Perforated |
| 5,764 | 5,772 | Perforated |
| 5,863 | 5,877 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,055 | 16 | 350 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. 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 2, 2007 | Feb 2, 2006 | — |
| 00 | Aug 9, 2006 | — | — |
| 00 | Aug 5, 1998 | Apr 6, 1998 | — |
| 00 | Mar 11, 1986 | Feb 26, 1986 | Yes |
| 00 | Mar 6, 1986 | — | — |
| 00 | Nov 26, 1985 | Oct 30, 1985 | — |
| 00 | Sep 5, 1985 | Aug 20, 1985 | — |
| 00 | Aug 27, 1985 | — | — |
| 00 | Jan 12, 1984 | Nov 18, 1977 | — |
| 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 42-391-00561 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00561 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 135K
- bbl, last 12 reported months
- 2.48M
- bbl, all reported
- Sep 2005
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000087471 | H-1 Injection | Canceled Nov 21, 2005 | 4,000 | 2,000 | 5,743–5,772 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 135,111 · prior 12 236,873(-43%)
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/39100561, documented in the API reference.