Petrora

WELL · 42-391-01140 · DISTRICT 2

O Connor Thomas -C- #3G

N

Refugio County · Tom Oconnor (5900 Sand) field  · Vertical

O Connor Thomas -C- #3G (API 42-391-01140) is a well in Refugio County operated by Hilcorp Energy Company, completed July 24, 1995.

The RRC has issued 8 drilling permits (amended twice) between 1987 and 2009, permitted to 5,900 ft.

Completion filings report 8 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 7 leases have reported 28.1M barrels of oil and 19.3M mcf of gas since January 1993, last reporting in July 2026. The leases carry 718 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 700K barrels injected in the 12 months reported through November 2025.

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 scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyNov 13, 2009
5,900
total depth, ft
10
permits on file
Nov 13, 2009
last permit issued
Jul 24, 1995
completed
28.1M
cumulative oil, bbl
19.3M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 24, 1995
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 718 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Oconnor, Thomas, -C- O-2-2587Tom Oconnor (5500 Sand)Hilcorp Energy Company512.22M2.1MJan 1993 – Jul 2026
O'Connor, Thomas -C- O-2-2876Tom Oconnor (5900 Sand)Hilcorp Energy Company592.99M2.17MJan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Jul 2026
Thomas O'Connor "C" O-2-10363Tom Oconnor (4950)Hilcorp Energy Company100Jan 2012 – Jul 2026
Oconnor, Thomas -C- O-2-1543Tom OconnorHilcorp Energy Company1161.5K88.8KJan 1993 – Mar 2014
O'Connor, Thomas "C" G-2-206510Tom Oconnor (5425 Sand)Hilcorp Energy Company1031.6KSep 2004 – Jan 2012
O'Connor, Thomas "C" G-2-188635Tom Oconnor (5450 Sand)Hilcorp Energy Company1033.9KFeb 2002 – Sep 2004

Oil, barrels lease total

Last 12 months 681,261 · prior 12 536,766(+27%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,915 · prior 12 84,330(+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
687118-97RecompletionHilcorp Energy CompanyJun 21, 2011Nov 13, 2009Oct 31, 20115,900
687118-98RecompletionHilcorp Energy CompanyAug 10, 2010Nov 13, 2009—5,900
687118-99RecompletionHilcorp Energy CompanyNov 9, 2009Nov 13, 2009—5,900
544295-99ReenterHilcorp Energy CompanyApr 9, 2004Apr 12, 2004Aug 24, 20045,900
516138-99RecompletionHilcorp Energy CompanyDec 14, 2001Dec 19, 2001Jan 23, 20025,900
499552-99RecompletionQuintana Pet. Corp.Sep 13, 2000Sep 14, 2000Aug 14, 20005,900
443782-99RecompletionQuintana Pet. Corp.Jan 17, 1996Jan 24, 1996Mar 4, 19965,900
437868-99RecompletionQuintana Pet. Corp.Jul 14, 1995Jul 18, 1995May 17, 19955,900
405103-99RecompletionQuintana Pet. Corp.Oct 23, 1992Oct 26, 1992Nov 19, 19925,900
333181-99RecompletionQuintana Pet. Corp.Jul 20, 1987Jul 21, 1987—5,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-188635————
—— G-2-206510————
—— O-2-1543————
—— O-2-2587————
—— O-2-2876————
—— O-2-5280————
—— O-2-5280————
—— O-2-10363————

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
Oakville2,900-2,847
Catahoula3,300-3,247
CatahoulaCATAHOULA (MIOCENE)3,300-3,247
CatahoulaCATAHOULA-MIOCENE3,300-3,247
Oakville3,300-3,247
Catahoula3,599-3,546
Catahoula3,600-3,547
AnahuacANAHUAC (MIOCENE)4,100-4,047
Catahoula4,100-4,047
Frio4,345-4,292
Anahauc4,365-4,312
FrioFRIO-GRETA (OLIGOCENE)4,365-4,312
FrioFRIO-GRETA(OLIGOCENE)4,365-4,312
FrioFRIO-GRETA4,785-4,732
FrioMIDDLE FRIO (SINTON)5,000-4,947
FrioMIDDLE FRIO5,400-5,347
FrioLOWER FRIO (OLIGOCENE)5,880-5,827
Frio5,900-5,847
FrioLOWER FRIO5,900-5,847
JacksonJACKSON/YEGUA——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
3,9904,010Perforated
4,9004,906Perforated
5,0705,090Perforated
5,3405,347Perforated
5,3545,361Perforated
5,3725,380Perforated
5,3855,392Perforated
5,4285,435Perforated
5,4515,457Perforated
5,5085,514Perforated
5,5705,575Perforated
5,7435,748Perforated
5,7435,757Perforated
5,8485,852Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,41114700 S
5.55,8988.375840 S
5.55,8988.75840 S
5.55,8998.75840 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 10, 2017Feb 10, 2017—
00Aug 28, 2013May 30, 2013—
00Mar 29, 2013Oct 12, 2012—
00May 12, 2005Sep 27, 2004Yes
00Mar 1, 2005——
00Jul 12, 2002Mar 1, 2002Yes
00May 23, 2002——
00Nov 8, 2000Sep 27, 2000Yes
00Oct 12, 2000——
00Nov 18, 1996Aug 30, 1996Yes
00Sep 25, 1996Aug 4, 1995Yes
00Aug 22, 1995Aug 4, 1995Yes
00Aug 9, 1995——
00Apr 28, 1993Feb 26, 1993Yes
00Mar 23, 1993Jan 28, 1988—
00May 16, 1988Jan 28, 1988—
00May 7, 1988——
00Mar 30, 1988——
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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

700K
bbl, last 12 reported months
13.6M
bbl, all reported
Nov 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000066569W-14 DisposalActive10,0001,5003,000–4,050

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 700,489 · prior 12 628,980(+11%)

050K100K20242025

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/39101140, documented in the API reference.