TEXAS · WELLS · REFUGIO COUNTY · API 42-391-01145 · DISTRICT 02

O Connor Thomas -C- #55

Y

Refugio County · Tom Oconnor (5200 East) field · Producing  · Vertical

O Connor Thomas -C- #55 (API 42-391-01145) is a well in Refugio County operated by Hilcorp Energy Company, completed February 21, 2008 and listed as producing on the RRC schedule.

The RRC has issued 3 drilling permits between 1981 and 2008, permitted to 6,000 ft.

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

Its 3 leases have reported 25.3M barrels of oil and 17.1M mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 657 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
3,458
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyJan 28, 2008
6,000
total depth, ft
3
permits on file
Jan 28, 2008
last permit issued
Feb 21, 2008
completed
25.3M
cumulative oil, bbl
17.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 21, 2008
Shut in
—
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 657 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Oconnor, Thomas, -C- O-2-2587Tom Oconnor (5500 Sand)Hilcorp Energy Company512.22M2.1MJan 1993 – Apr 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Apr 2026
O'Connor, Thomas -C- O-2-9135Tom Oconnor (5200, East)Hilcorp Energy Company12272K61.7KApr 2007 – Apr 2026

Oil, barrels lease total

Last 12 months 694,128 · prior 12 549,181(+26%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 118,415 · prior 12 85,749(+38%)

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
653397-99RecompletionHilcorp Energy CompanyJan 17, 2008Jan 28, 2008Feb 19, 20086,000
326830-99RecompletionQuintana Pet. Corp.Feb 19, 1987Feb 23, 1987—6,000
142865-99RecompletionQuintana Pet. Corp.Dec 3, 1981Dec 3, 1981—6,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 21, 2008O Connor Thomas -C- O-2-9135Tom Oconnor (5200 East)Hilcorp Energy CompanyProducing6,000
Jul 9, 1987Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy CompanyNot on Schedule—
Jul 9, 1987Oconnor Thomas -C- O-2-2587Tom Oconnor (5500 Sand)Hilcorp Energy CompanyNot on Schedule—
Nov 12, 1981Oconnor Thomas -C- O-2-1543Tom OconnorHilcorp Energy CompanyNot on Schedule—
—Oconnor Thomas -C- G-2-68465Tom Oconnor (4400)Quintana Pet. Corp.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 51 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,449
Oakville2,750-2,699
CatahoulaCATAHOULA (MIOCENE)3,300-3,249
AnahuacANAHUAC (MIOCENE)4,100-4,049
FrioFRIO-GRETA (OLIGOCENE)4,365-4,314
FrioMIDDLE FRIO (SINTON)5,000-4,949
FrioLOWER FRIO (OLIGOCENE)5,880-5,829
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,1665,173Perforated
5,5105,518Perforated
5,5385,548Perforated
5,7065,714Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,23515450 S
2.3755,519——
75,9569.875675 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Apr 9, 2008Mar 6, 2008Yes
00Mar 28, 2008——
00Sep 8, 1987Aug 10, 1987Yes
00Aug 18, 1987——
00Aug 15, 1987——
00Jan 12, 1984Dec 15, 1981—
00Jan 12, 1984Sep 30, 1976—

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/39101145, documented in the API reference.