Petrora

WELL · 42-391-00547 · DISTRICT 2

Tom O'Connor (4150 Ft. Sd.) Unit #W412A

N

Refugio County  · Vertical

Tom O'Connor (4150 FT. SD.) Unit #W412A (API 42-391-00547) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 5 drilling permits (amended 3 times) between 1992 and 2012, permitted to 5,925 ft.

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

Its 6 leases have reported 23.5M barrels of oil and 15.8M mcf of gas since January 1993, last reporting in July 2026. The leases carry 683 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
3,454
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyFeb 28, 2012
5,925
total depth, ft
8
permits on file
Feb 28, 2012
last permit issued
—
completed
23.5M
cumulative oil, bbl
15.8M
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 6 leases this well is completed on; they carry 683 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Heard, Claude E. et AL G-2-263640Tom O'Connor (4830)Hilcorp Energy Company100Dec 2011 – Jul 2026
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. et AL O-2-8744Tom Oconnor (5400 Sand)Hilcorp Energy Company110.7K42.2KOct 2002 – Nov 2019
Heard, Claud E., et AL O-2-2872Tom Oconnor (5900 Sand)Hilcorp Energy Company717.5K59.4KJan 1993 – Jun 2015

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
733243-98RecompletionHilcorp Energy CompanyApr 18, 2012Feb 28, 2012May 7, 20125,925
733243-99RecompletionHilcorp Energy CompanyFeb 6, 2012Feb 28, 2012—5,925
714900-98RecompletionHilcorp Energy CompanyNov 1, 2011Apr 28, 2011May 6, 20115,925
714900-99RecompletionHilcorp Energy CompanyApr 25, 2011Apr 28, 2011—5,925
512511-97RecompletionHilcorp Energy CompanyJul 18, 2002Aug 16, 2001Sep 24, 20025,925
512511-99RecompletionHilcorp Energy CompanyAug 13, 2001Aug 16, 2001—5,925
415838-99RecompletionQuintana Pet. Corp.Sep 9, 1993Sep 10, 1993Aug 31, 19935,925
405922-99RecompletionQuintana Pet. Corp.Nov 10, 1992Nov 11, 1992Dec 2, 19925,925

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-263640————
—— O-2-1539————
—— O-2-2872————
—— O-2-5280————
—— O-2-8744————
—— 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
Oakville2,750-2,690
CatahoulaCATAHOULA (MIOCENE)3,300-3,240
CatahoulaCATAHOULA(MIOCENE)3,300-3,240
Catahoula3,603-3,543
AnahuacANAHUAC (MIOCENE)4,100-4,040
AnahuacANAHUAC(MIOCENE)4,100-4,040
Frio4,357-4,297
FrioFRIO-GRETA(OLIGOCENE)4,365-4,305
FrioFRIO-GRETA (OLIGOCENEN)4,365-4,305
FrioMIDDLE FRIO (SINTON)5,000-4,940
FrioLOWER FRIO (OLIGOCENE)5,880-5,820
FrioLOWER FRIO(OLIGOCENE)5,880-5,820
Frio5,925-5,865
JacksonJACKSON-YEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
4,1184,128Perforated
4,7164,722Perforated
5,4545,462Perforated
5,6495,655Perforated
5,9185,925Perforated
—5,800Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,00316350 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
00Feb 19, 2020Nov 7, 2019—
00Jan 28, 2013May 25, 2012—
00Jun 5, 2012Jan 9, 2012Yes
00Dec 16, 2002Oct 16, 2002Yes
00Nov 19, 2002——
00Dec 17, 1993Sep 21, 1993Yes
00Oct 13, 1993——
00Mar 1, 1993Jan 26, 1993Yes
00Feb 3, 1993——
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/39100547, documented in the API reference.