WELL · 42-391-80645 · DISTRICT 2

Tom O'CONNOR(5600 Foot Sand)unit #W913B

N

Refugio County  · Vertical

Tom O'Connor(5600 Foot Sand)Unit #W913B (API 42-391-80645) is a disposal or injection well in Refugio County operated by Hilcorp Energy Company under an active UIC permit.

The RRC has issued 2 drilling permits between 2011 and 2020, permitted to 5,920 ft.

Completion filings report 3 formation tops, including Lagarto, Catahoula, Frio.

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.

It holds an active disposal or injection permit; TexNet located 0 M2+ earthquakes within 10 km over the last two years.

Operator of record

Hilcorp Energy Company

Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,454 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 CompanyAug 19, 2020
5,920
total depth, ft
2
permits on file
Aug 19, 2020
last permit issued
—
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
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.409441, -97.124938

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
864636-99RecompletionHilcorp Energy CompanyAug 11, 2020Aug 19, 2020—5,920
711302-99RecompletionHilcorp Energy CompanyMar 2, 2011Mar 9, 2011—5,920

Completions

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

Formation tops

As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO2,750-2,695
Catahoula3,300-3,245
Frio4,265-4,210

Perforations

Perforated and open-hole intervals.

FromToType
5,6935,697Perforated
5,8605,886Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,03416350 S
5.55,9178.75500 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
00Nov 14, 2024Oct 10, 2024—
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 O'Connor (5800 SD) Fld. Unit42-391-00519

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

Surface SD Clay1,500-1,440
Lagarto2,750-2,690
Oakville3,300-3,240
Catahoula3,697-3,637
Anahuac4,365-4,305
Frio4,441-4,381
Frio4,785-4,725
Frio5,400-5,340

10 TOPS · FIRST 8

Heard Claude E., et AL42-391-00546

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

Catahoula3,617-3,559
Frio4,374-4,316
Jackson—

Williams, Maude, et al -B-42-391-00529

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

Catahoula1149
Frio1149
Oakville2,750-2,690
Jackson—

Williams, Maude et al 'B'42-391-00528

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

Lagarto1,500-1,442
Oakville2,750-2,692
Catahoula3,300-3,242
Anahuac4,100-4,042
Frio4,365-4,307
Frio5,000-4,942
Frio5,880-5,822
NO Change—

Heard, Claude E. et AL42-391-33181

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

Catahoula3,582-3,526
Frio4,432-4,376
Jackson—

Tom O'Connor (5800 SD) Fld. Unit42-391-33136

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

Catahoula3,595-3,535
Frio4,372-4,312
Jackson—
Jackson—
Jackson—

Tom O'CONNOR(5800 Sd)fld Unit42-391-00556

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

Catahoula3,588-3,535
Frio4,331-4,278
Jackson—
NO Change.—
NO Change—

Williams, Maude et al "A"42-391-00470

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

Surface Sand & Clay154
Lagarto1,500-1,445
Lagarto1,500-1,445
Oakville2,750-2,695
Catahoula3,300-3,245
Anahuac4,100-4,045
Frio4,365-4,310
Frio5,000-4,945

10 TOPS · FIRST 8

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
000126747H-1 InjectionActive15,0002,2255,690–5,890

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/39180645, documented in the API reference.