TEXAS · WELLS · REFUGIO COUNTY · API 42-391-00431 · DISTRICT 02

Tom O CONNOR(5600 Foot Sand)unit #W823B

Shut in

Refugio County · Tom O Connor (5600 Foot Sand) field · Shut In  · Vertical

Tom O Connor(5600 Foot Sand)Unit #W823B (API 42-391-00431) is a well in Refugio County operated by Hilcorp Energy Company, completed April 17, 2009 and listed as shut in on the RRC schedule, shut in August 1, 2010.

The RRC has issued 2 drilling permits between 1994 and 2009, permitted to 5,925 ft.

Completion filings report 5 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 3 leases have reported 1.9M barrels of oil and 1.3M mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 78 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

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 scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyMar 19, 2009
5,925
total depth, ft
2
permits on file
Mar 19, 2009
last permit issued
Apr 17, 2009
completed
1.9M
cumulative oil, bbl
1.3M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 17, 2009
Shut in
Aug 1, 2010
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 3 leases this well is completed on; they carry 78 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Tom O'CONNOR(5600 Foot Sand)unit O-2-8950Tom O'Connor (5600 Foot Sand)Hilcorp Energy Company591.13M357KMar 2005 – Apr 2026
Williams, Maude, Etal, -A- O-2-2589Tom Oconnor (5500 Sand)Hilcorp Energy Company9323K573KJan 1993 – Apr 2025
Williams, Maude, et al -A- O-2-2878Tom Oconnor (5900 Sand)Hilcorp Energy Company10441K369KJan 1993 – Jun 2024

Oil, barrels lease total

Last 12 months 11,403 · prior 12 14,124(-19%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 189 · prior 12 389(-51%)

01K2K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Quintana Pet. Corp.Jan 1993 → Nov 2000
  2. 2Hilcorp Energy CompanyDec 2000 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
679337-99RecompletionHilcorp Energy CompanyMar 11, 2009Mar 19, 2009Apr 3, 20095,925
426340-99RecompletionQuintana Pet. Corp.Jul 27, 1994Aug 23, 1994Aug 2, 19945,925

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 17, 2009Tom O CONNOR(5600 Foot Sand)unit O-2-8950Tom O Connor (5600 Foot Sand)Hilcorp Energy CompanyShut In · shut in Aug 1, 20105,925
Aug 4, 1994Williams Maude Etal -A- O-2-2589Tom Oconnor (5500 Sand)Hilcorp Energy CompanyNot on Schedule—
Nov 14, 1969Williams Maude et al -A- O-2-2878Tom Oconnor (5900 Sand)Hilcorp Energy CompanyNot on Schedule—
—Williams Maude et al -A- O-2-2878Tom Oconnor (5900 Sand)Hilcorp Energy CompanyNot on Schedule—
—Williams Maude Etal -A- O-2-1548Tom OconnorHilcorp Energy CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,445
Oakville2,750-2,695
CatahoulaCATAHOULA (MIOCENE)3,300-3,245
AnahuacANAHUAC (MIOCENE)4,100-4,045
FrioFRIO-GRETA (OLIGOCENE)4,365-4,310
FrioMIDDLE FRIO (SINTON)5,000-4,945
FrioLOWER FRIO (OLIGOCENE)5,880-5,825

Perforations

Perforated and open-hole intervals.

FromToType
5,5465,554Perforated
5,5785,594Perforated
5,578—Perforated
5,872—Perforated
—5,876Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,00416350 S
55,9238.75500 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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Oct 14, 2009Jul 29, 2009Yes
00Sep 3, 2009——
00Oct 20, 1994Sep 9, 1994Yes
00Sep 20, 1994——
00Jan 12, 1984Nov 28, 1975—
00Jan 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.

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/39100431, documented in the API reference.