WELL · 42-391-33231 · DISTRICT 2

Tom Oconnor (5800 SD) Fld. Unit #Q124

Y

Refugio County · Tom Oconnor (5800) field · Shut IN  · Directional

Tom Oconnor (5800 SD) Fld. Unit #Q124 (API 42-391-33231) is a well in Refugio County operated by Hilcorp Energy Company, completed June 10, 2021 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued March 26, 2021, permitted to 6,500 ft.

Completion filings report 4 formation tops, including Catahoula, Frio, Sinton, Jackson.

Its lease has reported 22.8M barrels of oil and 14.9M mcf of gas since January 1993, last reporting in July 2026. The lease carries 594 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 scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyMar 26, 2021
6,500
total depth, ft
3
permits on file
Mar 26, 2021
last permit issued
Jun 10, 2021
completed
22.8M
cumulative oil, bbl
14.9M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 10, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

28.338310, -97.147850

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Refugio County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 594 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

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
868653-97DrillHilcorp Energy CompanyMay 7, 2021Mar 26, 2021May 11, 20216,500
868653-98DrillHilcorp Energy CompanyApr 19, 2021Mar 26, 2021—6,500
868653-99DrillHilcorp Energy CompanyMar 24, 2021Mar 26, 2021—6,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-5280————

Formation tops

As filed on W-2/G-1. Subsea from 49 ft elevation.Download CSV →

FormationMD ftSubsea
CatahoulaCATAHOULA - DISPOSAL3,724-3,675
FrioFRIO - DISPOSAL4,460-4,411
Sinton5,157-5,108
JacksonJACKSON-YEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
5,9335,948Perforated
6,1246,132Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,87013.5682 S
7.6256,4729.875722 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 27, 2021Jul 12, 2021Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Tom O'Connor (5800 SD) Fld. Unit42-391-33230

0.0 KM · Hilcorp Energy Company · Section with this well →

Catahoula3,723-3,674
Frio4,460-4,411
Sinton5,155-5,106
Jackson—

Tom O'Connor (5800 SD) Fld. Unit42-391-33229

0.0 KM · Hilcorp Energy Company · Section with this well →

Catahoula3,720-3,671
Frio4,454-4,405
Sinton5,152-5,103
Jackson—

Thomas O'Connor 'A'42-391-01524

0.9 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,452
Oakville2,750-2,702
Catahoula3,300-3,252
Catahoula3,300-3,252
Catahoula3,688-3,640
Anahuac4,100-4,052
Anahuac4,100-4,052
Frio4,365-4,317

15 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-01501

1.5 KM · Hilcorp Energy Company · Section with this well →

Catahoula3,655-3,602
Catahoula3,655-3,602
Frio4,403-4,350
M. Frio Sinton5,062-5,009
Jackson—
Jackson—

Thomas O'Connor 'A'42-391-01473

1.5 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,635-3,582
Anahuac4,100-4,047
Frio4,365-4,312
Frio4,398-4,345
Frio5,000-4,947

10 TOPS · FIRST 8

Thomas Oconnor "A"42-391-01498

1.6 KM · Hilcorp Energy Company · Section with this well →

Catahoula3,665-3,614
Frio4,457-4,406
Jackson—
NO Change—

O'Connor, Thomas 'A'42-391-01468

1.7 KM · Hilcorp Energy Company · Section with this well →

Frio540-489
Lagarto2,750-2,699
Oakville3,300-3,249
Catahoula3,628-3,577
Catahoula4,100-4,049
Ananhuac (Miocene)4,365-4,314
Frio4,406-4,355
Frio4,785-4,734

10 TOPS · FIRST 8

O'Connor, Thomas 'A'42-391-01502

1.7 KM · Hilcorp Energy Company · Section with this well →

Catahoula3,628-3,575
Frio4,387-4,334
Jackson—

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/39133231, documented in the API reference.