WELL · 42-391-01483 · DISTRICT 2

Tom Oconnor (5800 SD) Fld. Unit #111

N

Refugio County · Tom Oconnor (5800) field  · Vertical

Tom Oconnor (5800 SD) Fld. Unit #111 (API 42-391-01483) is a well in Refugio County operated by Hilcorp Energy Company, completed May 8, 2002.

The RRC has issued 2 drilling permits between 1996 and 2001, permitted to 4,477 ft.

Completion filings report 9 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 5 leases have reported 23.4M barrels of oil and 15.7M mcf of gas since January 1993, last reporting in July 2026. The leases carry 671 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 251K barrels injected in the 12 months reported through September 2025.

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 CompanyDec 13, 2001
4,477
total depth, ft
2
permits on file
Dec 13, 2001
last permit issued
May 8, 2002
completed
23.4M
cumulative oil, bbl
15.7M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 8, 2002
Shut in
—
Plugged
—

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 5 leases this well is completed on; they carry 671 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
O'Connor, Thomas "A" O-2-7360Tom O'Connor (4150)Hilcorp Energy Company368.8K57KJan 1993 – Sep 2004
O'Connor, Thomas "A" G-2-159625Tom Oconnor (4200)Hilcorp Energy Company10168KJun 1996 – Feb 2003
Oconnor, Thomas, -A- O-2-2489Tom Oconnor (4400)Hilcorp Energy Company55.68K80.8KJan 1993 – Oct 2001

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
516028-99RecompletionHilcorp Energy CompanyDec 11, 2001Dec 13, 2001May 7, 20024,477
449108-99RecompletionQuintana Pet. Corp.Jun 10, 1996Jun 13, 1996Jun 21, 19964,477

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-159625————
—— O-2-2489————
—— O-2-5280————
—— O-2-7360————
—— O-2-8874————
—— O-2-8874————
—— O-2-8874————

Formation tops

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

FormationMD ftSubsea
LagartoLARGARTO1,500-1,447
Oakville2,750-2,697
Oakville2,900-2,847
CatahoulaCATAHOULA (MIOCENE)3,300-3,247
Catahoula3,600-3,547
Catahoula3,620-3,567
Anahuac4,100-4,047
AnahuacANAHUAC(MIOCENE)4,100-4,047
Greta4,300-4,247
FrioFRIO-GRETA(OLIGOCENE)4,365-4,312
Frio4,381-4,328
FrioUPPER FRIO5,000-4,947
FrioLOWER FRIO5,800-5,747
JacksonJACKSON/YEGUA——
M Frio Sinton——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
4,1484,160Perforated
4,1754,191Perforated
—4,383Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,22213.75400 S
5.54,4778.75900 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
00Aug 20, 2020Aug 7, 2020—
00Jul 22, 2019Jun 6, 2019—
00Aug 28, 2013Jul 30, 2013—
00Aug 6, 2009Feb 12, 2009—
00Apr 20, 2009Jun 2, 2008—
00Mar 10, 2009Oct 3, 2005—
00Sep 10, 2007Oct 3, 2005—
00Aug 16, 2004Mar 3, 2003—
00Apr 21, 2003Mar 3, 2003—
00Mar 13, 2003——
00Oct 10, 1996Jul 29, 1996Yes
00Sep 4, 1996——
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

251K
bbl, last 12 reported months
6.35M
bbl, all reported
Sep 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000092306H-1 InjectionActive3,0002,0004,140–4,170

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

Last 12 months 250,728 · prior 12 552,248(-55%)

020K40K60K20242025

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/39101483, documented in the API reference.