WELL · 42-391-00658 · DISTRICT 2

Tom O Connor (4150 Ft. Sd.) Unit #31

Shut in

Refugio County · Tom O Connor (4150) field · Shut IN  · Vertical

Tom O Connor (4150 FT. SD.) Unit #31 (API 42-391-00658) is a well in Refugio County operated by Hilcorp Energy Company, completed January 24, 2005 and listed as shut in on the RRC schedule, shut in October 1, 2010.

The RRC has issued one drilling permit (amended once), issued August 29, 2002, permitted to 6,390 ft.

Completion filings report 7 formation tops, including Surface Sand Clay, Lagarto, Oakville, Catahaula (Miocene).

Its 3 leases have reported 23.3M barrels of oil and 15.4M mcf of gas since January 1993, last reporting in July 2026. The leases carry 663 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit.

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 scheduleQuintana Pet. Corp.
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyAug 29, 2002

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

6,390
total depth, ft
2
permits on file
Aug 29, 2002
last permit issued
Jan 24, 2005
completed
23.3M
cumulative oil, bbl
15.4M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 24, 2005
Shut in
Oct 1, 2010
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 3 leases this well is completed on; they carry 663 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
Heard, Claude E. et AL O-2-8743Tom Oconnor (5450 Sand)Hilcorp Energy Company11.08K13KOct 2002 – Aug 2004

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
523162-98RecompletionHilcorp Energy CompanyOct 29, 2002Aug 29, 2002Oct 4, 20026,390
523162-99RecompletionHilcorp Energy CompanyAug 27, 2002Aug 29, 2002—6,390

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 24, 2005Tom O Connor (4150 Ft. Sd.) Unit O-2-8874Tom O Connor (4150)Hilcorp Energy CompanyShut IN · shut in Oct 1, 20106,390
Oct 25, 2002Heard Claude E. et AL O-2-8743Tom Oconnor (5450 Sand)Hilcorp Energy CompanyNot on Schedule—
Oct 25, 2002Tom O Connor (4150 Ft. Sd.) Unit O-2-8874Tom O Connor (4150)Hilcorp Energy CompanyNot on Schedule—
—Heard Claud E. Etal O-2-5009Tom Oconnor (5800)Quintana Pet. Corp.Not on Schedule—
—Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy CompanyNot on Schedule—
—Heard Claude E. et AL O-2-1539Tom OconnorHilcorp Energy CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 60 ft elevation.Download CSV →

FormationMD ftSubsea
Surface Sand Clay1,500-1,440
LagartoLARGARTO2,750-2,690
Oakville3,300-3,240
Catahaula (Miocene)4,100-4,040
CatahoulaCATAHOULA (MIOCENE)4,100-4,040
AnahuacANAHUAC (MIOCENE)4,365-4,305
FrioFRIO-GRETA (OLIG)4,785-4,725
FrioMIDDLE FRIO (SINTON)5,400-5,340
FrioLOWER FRIO (OLIG)6,390-6,330

Perforations

Perforated and open-hole intervals.

FromToType
4,1504,160Perforated
5,5905,605Perforated
—5,800Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,02212.25325 S
2.8756,3016.75760 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
00Jul 11, 2005Apr 11, 2005—
00Apr 14, 2005Nov 8, 2002Yes
00Aug 16, 2004Nov 8, 2002Yes
00Dec 16, 2002Nov 8, 2002Yes
00Nov 19, 2002——
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

0
bbl, last 12 reported months
33.8K
bbl, all reported
Sep 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000094692H-1 InjectionActive10,0002,0004,126–4,180

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

Last 12 months 0 · prior 12 0

0120242025

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/39100658, documented in the API reference.