WELL · 42-391-30158 · DISTRICT 2

Tom O'Connor (4150 Ft. Sd.) Unit #W114A

N

Refugio County  · Vertical

Tom O'Connor (4150 FT. SD.) Unit #W114A (API 42-391-30158) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 11 drilling permits between 1983 and 2011, permitted to 7,700 ft.

Completion filings report 9 formation tops, including Largart, Lagarto, Surface Sand Clay, Oakville.

Its 10 leases have reported 23.3M barrels of oil and 15.5M mcf of gas since January 1993, last reporting in July 2026. The leases carry 669 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 · 3,453 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 CompanyNov 10, 2011
7,700
total depth, ft
11
permits on file
Nov 10, 2011
last permit issued
—
completed
23.3M
cumulative oil, bbl
15.5M
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 10 leases this well is completed on; they carry 669 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
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
Ira Heard "A" O-2-9315Tom Oconnor (5500 Sand)Hilcorp Energy Company100May 2009 – Jul 2026
Heard, Ira 'A' G-2-162951Tom Oconnor (6300)Quintana Pet. Corp.1020.7KMar 1997 – Jun 1998
Heard, Ira "A" G-2-155496Tom Oconnor (6600)Quintana Pet. Corp.1055.4KAug 1995 – Mar 1997
Heard, Ira "A" O-2-8034Tom Oconnor (6600)Quintana Pet. Corp.100Aug 1994 – Oct 1995
Heard, Ira "A" G-2-146459Tom O'Connor (6400)Quintana Pet. Corp.101.41KAug 1993 – Aug 1994
Heard, Ira "A" G-2-142993Tom Oconnor (7500)Amoco Production Company1021.1KJan 1993 – Feb 1994
Heard, Ira -A- O-2-7700Tom O'Connor (7100)Amoco Production Company100Jan 1993 – Mar 1993
— G-2-128348——000—

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. 1Amoco Production CompanyJan 1993 → Feb 1994
  2. 2Quintana Pet. Corp.Jan 1993 → Nov 2000
  3. 3Hilcorp Energy CompanyDec 2000 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
727549-99RecompletionHilcorp Energy CompanyNov 2, 2011Nov 10, 2011Jan 23, 20127,700
685564-99RecompletionHilcorp Energy CompanySep 28, 2009Sep 28, 2009—7,700
680915-99RecompletionHilcorp Energy CompanyMay 1, 2009May 11, 2009May 1, 20097,700
475714-99RecompletionQuintana Pet. Corp.Apr 27, 1998May 22, 1998May 26, 19987,565
459085-99RecompletionQuintana Pet. Corp.Feb 24, 1997Feb 26, 1997Mar 4, 19977,565
425393-99RecompletionQuintana Pet. Corp.Jun 29, 1994Jun 30, 1994Jun 8, 19947,565
414166-99RecompletionAmoco Production CompanyJul 22, 1993Jul 22, 1993Aug 4, 19937,565
397986-99RecompletionAmoco Production CompanyApr 1, 1992Apr 1, 1992Apr 16, 19927,700
342123-99RecompletionAmoco Production CompanyFeb 1, 1988Feb 3, 1988—7,700
329862-99RecompletionAmoco Production CompanyMay 6, 1987May 6, 1987—7,700
206649-99RecompletionAmoco Production CompanyAug 15, 1983Aug 19, 1983—7,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-128348————
—— G-2-142993————
—— G-2-146459————
—— G-2-155496————
—— G-2-162951————
—— O-2-5280————
—— O-2-7700————
—— O-2-8034————
—— O-2-8874————
—— O-2-9315————

Formation tops

As filed on W-2/G-1. Subsea from 523 ft elevation.Download CSV →

FormationMD ftSubsea
Largart1,500-977
LagartoLARGARTO1,500-977
Surface Sand Clay1,500-977
LagartoLARGARTO2,750-2,227
Oakville2,750-2,227
CatahoulaCATAHOULA (MIOCENE)3,300-2,777
Oakville3,300-2,777
AnahuacANAHUAC (MIOCENE)4,100-3,577
AnahuacANAHUAC(MIOCENE)4,100-3,577
Catahoula4,100-3,577
CatahoulaCATAHOULA (MIOCENE)4,100-3,577
CatahoulaCATAHOULA(MIOCENE)4,100-3,577
Anahuac4,365-3,842
AnahuacANAHUAC (MIOCENE)4,365-3,842
FrioFRIO-GRETA (OLIGOCENE)4,365-3,842
FrioFRIO-GRETA4,785-4,262
FrioFRIO-GRETA(OLIG)4,785-4,262
FrioFRIO GRETA (OLIGO)4,785-4,262
FrioMIDDLE FRIO (SINTON)5,000-4,477
FrioMIDDLE FRIO5,400-4,877
FrioMIDDLE FRIO (SINTON)5,400-4,877
FrioLOWER FRIO (OLIGOCENE)5,880-5,357
66006,514-5,991
73007,324-6,801
73007,329-6,806
FrioLOWER FRIO (OLIGOCENE)7,565-7,042
Frio7,700-7,177
FrioLOWER FRIO7,700-7,177
FrioLOWER FRIO (OLIGOCENE)7,700-7,177

Perforations

Perforated and open-hole intervals.

FromToType
4,1124,125Perforated
5,5185,528Perforated
5,5255,528Perforated
5,7685,776Perforated
6,2756,277Perforated
6,3886,393Perforated
6,5146,519Perforated
6,6146,618Perforated
7,1047,110Perforated
7,3307,331Perforated
7,3917,401Perforated
7,5007,520Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,34912.75665 S
10.751,34915665 S
77,7009.875825 S
77,7008.751,025 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 31, 2012Feb 3, 2012Yes
00Oct 5, 2009May 19, 2009Yes
00Aug 6, 2009——
00Aug 20, 1998Jul 13, 1998Yes
00Jul 24, 1998——
00Jul 25, 1997Apr 9, 1997Yes
00Jun 3, 1997——
00Dec 8, 1995Sep 4, 1995—
00Oct 6, 1995——
00May 4, 1995Jan 19, 1995Yes
00Feb 6, 1995——
00Dec 17, 1993Aug 27, 1993Yes
00Sep 13, 1993——
00Jan 26, 1993Jun 4, 1992Yes
00Dec 3, 1992——
00Jun 25, 1991May 7, 1991—
00Jun 7, 1991——
00Oct 19, 1988Jun 27, 1988Yes
00Sep 30, 1988——
00Oct 21, 1987Jul 20, 1987Yes
00Aug 25, 1987Jan 4, 1972—
00Aug 4, 1987——
00Jul 30, 1984Mar 27, 1984—
00Jul 26, 1984Mar 27, 1984—
00Jan 12, 1984Jan 4, 1972—
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/39130158, documented in the API reference.