Petrora

WELL · 42-391-00679 · DISTRICT 2

Tom O'Connor (4150 Ft. Sd.) Unit #W310A

N

Refugio County  · Vertical

Tom O'Connor (4150 FT. SD.) Unit #W310A (API 42-391-00679) 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 1984 and 2015, permitted to 5,927 ft.

Completion filings report 8 formation tops, including Lagarto, Oakville, Catahoula, Anahauc (Miocene).

Its 6 leases have reported 25.5M barrels of oil and 16.5M mcf of gas since January 1993, last reporting in July 2026. The leases carry 724 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 CompanyJul 10, 2015
5,927
total depth, ft
8
permits on file
Jul 10, 2015
last permit issued
—
completed
25.5M
cumulative oil, bbl
16.5M
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 6 leases this well is completed on; they carry 724 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Heard, Fannie V. W., Mrs. O-2-1541Tom OconnorHilcorp Energy Company1459.8K120KJan 1993 – Jul 2026
Heard, Fannie V. W., Mrs. O-2-2546Tom Oconnor (4500 Greta Mass.)Hilcorp Energy Company462.17M929KJan 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, Fannie V. W. Mrs G-2-196720Tom Oconnor (5300, East)Hilcorp Energy Company1042.9KApr 2003 – Jun 2010
Heard, Fannie V. W. Mrs. O-2-8560Tom O'Connor (5350 Sand)Hilcorp Energy Company100May 2000 – Jun 2002

Oil, barrels lease total

Last 12 months 693,494 · prior 12 552,447(+26%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 119,243 · prior 12 86,426(+38%)

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
808017-99RecompletionHilcorp Energy CompanyJul 1, 2015Jul 10, 2015Jul 2, 20155,927
724390-99RecompletionHilcorp Energy CompanySep 16, 2011Sep 20, 2011—5,927
695098-99RecompletionHilcorp Energy CompanyApr 27, 2010May 3, 2010Jun 2, 20105,927
545543-99RecompletionHilcorp Energy CompanyMay 10, 2004May 17, 2004—5,927
530275-99RecompletionHilcorp Energy CompanyApr 3, 2003Apr 7, 2003Apr 23, 20035,927
518814-99RecompletionHilcorp Energy CompanyApr 4, 2002Apr 9, 2002May 3, 20025,927
490571-99RecompletionQuintana Pet. Corp.Dec 21, 1999Dec 23, 1999May 9, 20005,927
228575-99RecompletionQuintana Pet. Corp.Feb 6, 1984Feb 7, 1984—5,927

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-196720————
—— O-2-1541————
—— O-2-2546————
—— O-2-5280————
—— O-2-8560————
—— O-2-8874————

Formation tops

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

FormationMD ftSubsea
LagartoLARGARTO1,500-1,447
Oakville2,750-2,697
CatahoulaCATAHOULA (MIOCENE)3,300-3,247
Catahoula3,578-3,525
Anahauc (Miocene)4,100-4,047
AnahuacANAHUAC (MIOCENE)4,100-4,047
Frio4,333-4,280
FrioFRIO-GRETA (OLIGOCENE)4,365-4,312
FrioMIDDLE FRIO (SINTON)5,000-4,947
FrioLOWER FRIO (OLIGOCENE)5,880-5,827
JacksonJACKSON/YEGUA——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
4,0994,109Perforated
4,3964,402Perforated
5,2485,268Perforated
5,2785,290Perforated
5,2985,304Perforated
5,5155,523Perforated
5,5975,609Perforated
5,6225,630Perforated
5,7055,711Perforated
5,7365,742Perforated
—5,759Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,05516350 S
55,9148.75500 S
55,9258.75500 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
00Jan 13, 2016Jul 17, 2015—
00Sep 14, 2010Jul 12, 2010Yes
00Sep 2, 2010——
00Oct 21, 2003May 13, 2003Yes
00Sep 24, 2003——
00Aug 14, 2002Jun 12, 2002Yes
00Jun 21, 2002——
00Dec 20, 2000Sep 1, 2000Yes
00Oct 24, 2000——
00Nov 16, 1988Sep 27, 1988—
00Oct 11, 1988——
00Sep 24, 1984Jul 30, 1984—
00Aug 18, 1984——
00Jan 12, 1984Jul 30, 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/39100679, documented in the API reference.