WELL · 42-391-01579 · DISTRICT 2

Tom Oconnor (5800SD) Fld. Unit #Q097E

N

Refugio County  · Vertical

Tom Oconnor (5800sd) Fld. Unit #Q097E (API 42-391-01579) is a former disposal or injection well in Refugio County, last operated by Hilcorp Energy Company; its UIC permit is no longer active.

The RRC has issued 3 drilling permits between 1990 and 2025, permitted to 6,500 ft.

Completion filings report 5 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 2 leases have reported 811K barrels of oil and 1.64M mcf of gas since January 1993, last reporting in July 2026. The leases carry 48 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 schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanySep 10, 2025
6,500
total depth, ft
3
permits on file
Sep 10, 2025
last permit issued
—
completed
811K
cumulative oil, bbl
1.64M
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

28.355535, -97.134854

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 2 leases this well is completed on; they carry 48 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
O'Connor, Thomas "A" O-2-3662Tom Oconnor (5400 Sand)Hilcorp Energy Company20273K1.01MJan 1993 – Jul 2026
O'Connor, Thomas "A" O-2-7579Tom O'Connor (5770 U, South)Hilcorp Energy Company28538K627KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 5,202 · prior 12 7,545(-31%)

01K2K202420252026

Gas, mcf lease total

Last 12 months 355 · prior 12 755(-53%)

0200400600202420252026

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
910321-99RecompletionHilcorp Energy CompanySep 9, 2025Sep 10, 2025—6,500
511364-99RecompletionHilcorp Energy CompanyJul 12, 2001Jul 18, 2001Jul 10, 20015,900
365379-99Field transferQuintana Pet. Corp.Oct 19, 1989Jan 3, 1990—5,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-3662————
—— O-2-7579————

Formation tops

As filed on W-2/G-1. Subsea from 50 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,450
Oakville2,750-2,700
CatahoulaCATAHOULA (MIOCENE)3,300-3,250
AnahuacANAHUAC (MIOCENE)4,100-4,050
FrioFRIO-GRETA (OLIGOCENE)4,365-4,315
FrioMIDDLE FRIO (SINTON)5,000-4,950
FrioLOWER FRIO (OLIGOCENE)5,880-5,830

Perforations

Perforated and open-hole intervals.

FromToType
5,4375,448Perforated
5,8265,832Perforated
—5,832Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,02514350 S
5.55,8988.75500 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
00Oct 16, 2001Jul 20, 2001Yes
00Aug 22, 2001——
00Jun 12, 1990Oct 23, 1989—
00Apr 12, 1990——
00Jan 12, 1984Mar 18, 1977—
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.

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 Oconnor (5800SD) Fld. Unit42-391-02036

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

Lagarto1,500-1,452
Surface SD Clay1,500-1,452
Oakville2,750-2,702
Catahoula3,300-3,252
Anahuac4,100-4,052
Catahoula4,100-4,052
Anahuac4,365-4,317
Frio4,365-4,317

13 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-01553

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

Catahoula3,672-3,623
Catahoula3,672-3,623
Frio4,419-4,370
Frio4,419-4,370
M. Frio Sinton5,030-4,981
Jackson—
NO Change—
Jackson—

Tom Oconnor (5800 SD) Fld. Unit42-391-32502

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

Lagarto2,750-2,698
Oakville3,300-3,248
Catahoula3,688-3,636
Catahoula4,100-4,048
Anahuac4,365-4,313
Greta4,420-4,368
Frio4,421-4,369
Frio4,785-4,733

13 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-01552

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

Anahuac2,252-2,197
Anahuac2,252-2,197
Catahoula3,609-3,554
Frio4,265-4,210

O'Connor, Thomas 'A'42-391-01546

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

Lagarto1,500-1,452
Oakville2,750-2,702
Catahoula3,300-3,252
Catahoula3,676-3,628
Anahuac4,100-4,052
Frio4,365-4,317
Frio4,452-4,404
Frio5,000-4,952

10 TOPS · FIRST 8

Tom Oconnor (5800 SD) Fld. Unit42-391-01551

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

Lagarto1,500-1,452
Oakville2,750-2,702
Catahoula3,300-3,252
Catahoula3,655-3,607
Anahuac4,100-4,052
Catahoula4,100-4,052
Anahuac4,230-4,182
Anahuac4,365-4,317

18 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-01539

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

Catahoula3,650-3,600
Greta4,362-4,312
Frio4,402-4,352
Jackson—
NO Change—

Tom O'Connor -D-42-391-33233

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

Catahoula3,691-3,644
Frio4,413-4,366
Gretta4,661-4,614
Jackson—

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
Sep 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000127091H-1 InjectionNot activated10,0002,0005,860–5,960

MONTHLY INJECTED, BBL · H-10 · LAST 12 REPORTED MONTHS

Last 12 months 0

012025

TexNet catalog via USGS

Seismicity near this well

0
M2+ events within 10 km, last 2 years
—
largest

A proximity count, not an attribution. How to read it →

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/39101579, documented in the API reference.