Petrora

WELL · 42-391-00552 · DISTRICT 2

Tom O'Connor (4150 Ft. Sd.) Unit #W414A

N

Refugio County  · Vertical

Tom O'Connor (4150 FT. SD.) Unit #W414A (API 42-391-00552) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 7 drilling permits (amended once) between 1989 and 2010, permitted to 5,925 ft.

Completion filings report 6 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 7 leases have reported 23.7M barrels of oil and 16.3M mcf of gas since January 1993, last reporting in July 2026. The leases carry 690 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,454 permits on file · (713) 209-2411

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyApr 27, 2010
5,925
total depth, ft
8
permits on file
Apr 27, 2010
last permit issued
—
completed
23.7M
cumulative oil, bbl
16.3M
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 7 leases this well is completed on; they carry 690 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Heard, Claude E., et AL O-2-1539Tom OconnorHilcorp Energy Company12163K369KJan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Jul 2026
Tom O'Connor (4150 Ft. Sd.) Unit O-2-8874Tom O'Connor (4150)Hilcorp Energy Company68512K461KJun 2004 – Jul 2026
Heard, Claude E., Etal O-2-2584Tom Oconnor (5500 Sand)Hilcorp Energy Company7196K433KJan 1993 – Jun 2015
Heard, Claud E., et AL O-2-2872Tom Oconnor (5900 Sand)Hilcorp Energy Company717.5K59.4KJan 1993 – Jun 2015
Heard, Claude E. et AL G-2-186442Tom Oconnor (5300, East)Hilcorp Energy Company1026.7KSep 2001 – May 2010
Heard, Claude et AL O-2-7819Tom Oconnor (5625 Sand)Hilcorp Energy Company1268477Jan 1993 – Mar 2008

Oil, barrels lease total

Last 12 months 673,302 · prior 12 529,221(+27%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,612 · prior 12 84,078(+40%)

020K40K60K202420252026

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
695024-99RecompletionHilcorp Energy CompanyApr 26, 2010Apr 27, 2010Apr 27, 20105,923
636695-99RecompletionHilcorp Energy CompanyApr 9, 2007Apr 14, 2007—5,923
512695-99RecompletionHilcorp Energy CompanyAug 17, 2001Aug 24, 2001Aug 27, 20015,923
447276-99RecompletionQuintana Pet. Corp.Apr 22, 1996Apr 25, 1996Apr 29, 19965,923
410759-99RecompletionQuintana Pet. Corp.Apr 15, 1993May 11, 1993Jun 4, 19935,925
387210-99RecompletionQuintana Pet. Corp.Apr 26, 1991Apr 30, 1991Jun 5, 19915,925
366247-98RecompletionQuintana Pet. Corp.Aug 13, 1990Nov 13, 1989—5,925
366247-99RecompletionQuintana Pet. Corp.Nov 9, 1989Nov 13, 1989—5,925

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-186442————
—— O-2-1539————
—— O-2-2584————
—— O-2-2872————
—— O-2-5280————
—— O-2-7819————
—— O-2-8874————

Formation tops

As filed on W-2/G-1. Subsea from 60 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,440
LagartoLARGARTO2,750-2,690
Oakville2,750-2,690
Catahoula3,300-3,240
CatahoulaCATAHOULA (MIOCENE)3,300-3,240
CatahoulaCATAHOULA(MIOCENE)3,300-3,240
Oakville3,300-3,240
AnahuacANAHUAC (MIOCENE)4,100-4,040
AnahuacANAHUAC(MIOCENE)4,100-4,040
AnahuacANAHUAC (MIOCENE)4,365-4,305
FrioFRIO-GRETA (OLIGOCENE)4,365-4,305
FrioFRIO-GRETA((OLIGOCENE)4,365-4,305
FrioFRIO-GRETA (OLIG)4,458-4,398
FrioMIDDLE FRIO (SINTON)5,000-4,940
FrioLOWER FRIO (OLIGOCENE)5,880-5,820
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
4,0874,096Perforated
5,2325,248Perforated
5,2835,293Perforated
5,5505,555Perforated
5,5895,595Perforated
5,7115,716Perforated
5,7675,775Perforated
5,8725,876Perforated
—4,403Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,00716350 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. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Aug 6, 2010May 11, 2010Yes
00Jun 9, 2010——
00Feb 8, 2002Oct 1, 2001Yes
00Jan 15, 2002——
00Jul 22, 1996Jun 11, 1996Yes
00Jun 25, 1996Nov 15, 1993Yes
00Feb 11, 1994Nov 15, 1993Yes
00Nov 23, 1993Aug 21, 1992Yes
00Sep 29, 1992Aug 21, 1992Yes
00Sep 1, 1992Sep 12, 1990Yes
00Dec 7, 1990Sep 12, 1990Yes
00Oct 5, 1990May 17, 1985—
00Jun 7, 1985May 17, 1985—
00May 25, 1985Jul 14, 1975—
00Jan 12, 1984Jul 14, 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 are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

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/39100552, documented in the API reference.