WELL · 42-391-01576 · DISTRICT 2

O Connor Thomas A #87

Shut in

Refugio County · Tom Oconnor (5440) field · Shut IN  · Vertical

O Connor Thomas A #87 (API 42-391-01576) is a well in Refugio County operated by Hilcorp Energy Company, completed February 28, 2002 and listed as shut in on the RRC schedule, shut in January 1, 2025.

The RRC has issued 3 drilling permits (amended once) between 1992 and 2013, permitted to 5,918 ft.

Completion filings report 6 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 3 leases have reported 23.1M barrels of oil and 16.1M mcf of gas since January 1993, last reporting in July 2026. The leases carry 616 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Mar 27, 2026
Permits on file
3,454
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyMar 6, 2013
5,918
total depth, ft
4
permits on file
Mar 6, 2013
last permit issued
Feb 28, 2002
completed
23.1M
cumulative oil, bbl
16.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 28, 2002
Shut in
Jan 1, 2025
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 3 leases this well is completed on; they carry 616 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
O'Connor, Thomas "A" O-2-8686Tom Oconnor (5440)Hilcorp Energy Company255K146KDec 2001 – Jul 2026

Oil, barrels lease total

Last 12 months 673,200 · prior 12 524,967(+28%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,526 · prior 12 83,715(+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
757465-99RecompletionHilcorp Energy CompanyFeb 25, 2013Mar 6, 2013—5,918
516024-98RecompletionHilcorp Energy CompanyMar 5, 2002Jan 22, 2002Feb 11, 20025,918
516024-99RecompletionHilcorp Energy CompanyDec 11, 2001Jan 22, 2002—5,918
395951-99RecompletionQuintana Pet. Corp.Jan 17, 1992Jan 24, 1992Mar 17, 19925,918

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 28, 2002O Connor Thomas A O-2-8686Tom Oconnor (5440)Hilcorp Energy CompanyShut IN · shut in Jan 1, 20255,918
Apr 20, 1992O Connor Thomas A O-2-3662Tom Oconnor (5400 Sand)Hilcorp Energy CompanyNot on Schedule—
—Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy CompanyNot on Schedule—
—Oconnor Thomas -A- O-2-5012Tom Oconnor (5800)Hilcorp Energy CompanyNot on Schedule—
—Oconnor Thomas -A- O-2-1542Tom OconnorHilcorp Energy CompanyNot on Schedule—

Formation tops

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

FormationMD ftSubsea
LagartoLARGARTO1,500-1,451
Oakville2,750-2,701
CatahoulaCATAHOULA(MIOCENE)3,300-3,251
AnahuacANAHUAC(MIOCENE)4,100-4,051
FrioFRIO-GRETA(OLIGOCENE)4,365-4,316
FrioMIDDLE FRIO (SINTON)5,000-4,951
FrioLOWER FRIO (OLIGOCENE)5,880-5,831
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,4035,408Perforated
5,5105,517Perforated
5,5375,542Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,05814350 S
9.6251,05815350 S
5.55,9168.75500 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
00May 30, 2002Mar 14, 2002—
00Apr 18, 2002——
00Jun 11, 1992Apr 30, 1992Yes
00May 19, 1992——
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.

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/39101576, documented in the API reference.