WELL · 42-391-01562 · DISTRICT 2

Thomas O'Connor "C" #12

N

Refugio County  · Vertical

Thomas O'Connor "C" #12 (API 42-391-01562) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 8 drilling permits between 1985 and 2009, permitted to 5,925 ft.

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

Its 4 leases have reported 22.8M barrels of oil and 15M mcf of gas since January 1993, last reporting in July 2026. The leases carry 610 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 CompanyNov 13, 2009
5,925
total depth, ft
8
permits on file
Nov 13, 2009
last permit issued
—
completed
22.8M
cumulative oil, bbl
15M
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 4 leases this well is completed on; they carry 610 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
O'Connor, Thomas -C- O-2-9042Tom O'Connor (5770 U, South)Hilcorp Energy Company423Mar 2006 – Jul 2026
Oconnor, Thomas -C- O-2-1543Tom OconnorHilcorp Energy Company1161.5K88.8KJan 1993 – Mar 2014
O'Connor, Thomas "C" O-2-7753Tom O'Connor (5770 U, South)Quintana Pet. Corp.110.4K10KJan 1993 – Feb 1998

Oil, barrels lease total

Last 12 months 673,200 · prior 12 524,408(+28%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,526 · prior 12 83,712(+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
687084-99RecompletionHilcorp Energy CompanyNov 6, 2009Nov 13, 2009—5,925
616540-99RecompletionHilcorp Energy CompanyMar 27, 2006Mar 29, 2006Oct 30, 20025,925
532470-99RecompletionHilcorp Energy CompanyMay 28, 2003Jun 5, 2003—5,925
516432-99RecompletionHilcorp Energy CompanyDec 27, 2001Jan 3, 2002Jan 14, 20025,925
462908-99RecompletionQuintana Pet. Corp.May 27, 1997Jun 4, 1997May 29, 19975,925
393366-99RecompletionQuintana Pet. Corp.Oct 28, 1991Oct 30, 1991Oct 22, 19915,925
287905-99RecompletionQuintana Pet. Corp.Oct 16, 1985Oct 17, 1985—5,925
287903-99RecompletionQuintana Pet. Corp.Oct 16, 1985Oct 17, 1985—5,925

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-1543————
—— O-2-5280————
—— O-2-5280————
—— O-2-5280————
—— O-2-7753————
—— O-2-9042————

Formation tops

As filed on W-2/G-1. Subsea from 53 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,447
LagartoLARGARTO2,750-2,697
Oakville2,750-2,697
CatahoulaCATAHOULA (MIOCENE)3,300-3,247
Oakville3,300-3,247
AnahuacANAHUAC (MIOCENE)4,100-4,047
CatahoulaCATAHOULA (MIOCENE)4,100-4,047
AnahuacANAHUAC (MIOCENE)4,365-4,312
FrioFRIO-GRETA (OLIGOCENE)4,365-4,312
FrioFRIO-GRETA4,785-4,732
FrioMIDDLE FRIO (SINTON)5,000-4,947
FrioMIDDLE FRIO (SINTON)5,400-5,347
FrioLOWER FRIO (OLIGOCENE)5,880-5,827
FrioLOWER FRIO (OLIGOCENE)5,925-5,872
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,6775,683Perforated
5,6865,691Perforated
5,7265,731Perforated
5,7265,737Perforated
5,7685,782Perforated
5,8005,810Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,03916250 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 20, 2007Apr 7, 2006Yes
00Sep 15, 2006——
00May 30, 2002Apr 4, 2002Yes
00Apr 18, 2002——
00Feb 25, 1998Dec 16, 1997Yes
00Dec 31, 1997——
00Dec 12, 1991Nov 15, 1991Yes
00Dec 4, 1991Feb 26, 1986Yes
00Mar 28, 1986Feb 26, 1986Yes
00Mar 6, 1986——
00May 25, 1984——
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/39101562, documented in the API reference.