WELL · 42-391-01501 · DISTRICT 2

Tom Oconnor (5800 SD) Fld. Unit #Q008

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Refugio County · Tom Oconnor (5800) field  · Vertical

Tom Oconnor (5800 SD) Fld. Unit #Q008 (API 42-391-01501) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2019 and 2021, permitted to 5,895 ft.

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

Its 2 leases have reported 23.1M barrels of oil and 15.9M mcf of gas since January 1993, last reporting in July 2026. The leases carry 614 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 10, 2021
5,895
total depth, ft
2
permits on file
Mar 10, 2021
last permit issued
—
completed
23.1M
cumulative oil, bbl
15.9M
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

28.351500, -97.150880

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 614 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
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
868229-99RecompletionHilcorp Energy CompanyMar 8, 2021Mar 10, 2021—5,895
854024-99RecompletionHilcorp Energy CompanyJun 10, 2019Jun 13, 2019Feb 25, 20195,895

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-3662————
—— O-2-5280————
—— O-2-5280————

Formation tops

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

FormationMD ftSubsea
Catahoula3,655-3,602
CatahoulaCATAHOULA - DISPOSAL3,655-3,602
Frio4,403-4,350
M. Frio Sinton5,062-5,009
JacksonJACKSON/YEGUA——
JacksonJACKSON/YEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
5,4705,484Perforated
5,8735,883Perforated
—5,800Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7551116250 S
75,7979.875500 S
55,8956.12575 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
00Jun 30, 2021Apr 29, 2021—
00Jan 23, 2020Oct 16, 2019—
00Oct 3, 2019Sep 6, 2019—
00Jun 27, 2019Jun 19, 2019—
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 →

Thomas Oconnor "A"42-391-01498

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

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

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

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

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

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

0.6 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

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

0.9 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

Tom OCONNOR(5800 Sand)field Unit42-391-01514

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

Surface Sand Clay1,500-1,449
Lagarto1,500-1,449
Oakville2,750-2,699
Catahoula3,300-3,249
Catahoula3,300-3,249
Anahuac4,100-4,049
Greta4,362-4,311
Frio4,365-4,314

15 TOPS · FIRST 8

Tom O'Connor (5800 SD) Fld. Unit42-391-01520

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

Lagarto1,500-1,450
Oakville2,750-2,700
Catahoula3,300-3,250
Catahoula3,300-3,250
Anahuac4,100-4,050
Anahuac4,100-4,050
Frio4,365-4,315
Frio4,365-4,315

13 TOPS · FIRST 8

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

1.2 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

Thomas O'Connor 'A'42-391-01460

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

Lagarto1,500-1,448
Oakville2,750-2,698
Catahoula3,300-3,248
Catahoula3,300-3,248
Catahoula3,590-3,538
Anahuac4,100-4,048
Anahuac4,100-4,048
Frio4,342-4,290

14 TOPS · FIRST 8

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/39101501, documented in the API reference.