WELL · 42-391-32924 · DISTRICT 2

Oconnor Thos. -B- #55

Plugged

Refugio County · Mary Ellen Oconnor (FS-96) field  · Vertical

Oconnor Thos. -B- #55 (API 42-391-32924) is a plugged well in Refugio County, plugged December 17, 2019, last operated by Hilcorp Energy Company.

The RRC has issued 4 drilling permits (amended once) between 2009 and 2013, permitted to 6,500 ft.

Completion filings report 7 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 4 leases have reported 132K barrels of oil and 498K mcf of gas since January 1993, last reporting in October 2021. The leases carry 37 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 scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Mar 2018
Latest permitHilcorp Energy CompanySep 27, 2013
6,500
total depth, ft
5
permits on file
Sep 27, 2013
last permit issued
Sep 3, 2010
completed
132K
cumulative oil, bbl
498K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2021

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 3, 2010
Shut in
—
Plugged
Dec 17, 2019

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 4 leases this well is completed on; they carry 37 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
O Connor, Thos. -B- O-2-964Mary Ellen Oconnor (FQ-40 Sand)Hilcorp Energy Company1175.5K186KJan 1993 – Oct 2021
Oconnor, Thos. -B- O-2-968Mary Ellen Oconnor (FS-96)Hilcorp Energy Company152.56K250Jan 1993 – Oct 2021
O Connor, Thos. -B- O-2-954Mary Ellen Oconnor (FQ- 9)Hilcorp Energy Company1053.5K308KJan 1993 – Apr 2020
Thomas O'Connor "B" G-2-266668Mary Ellen Oconnor (FS-1)Hilcorp Energy Company103.11KJul 2011 – Dec 2014

No volumes reported on these leases in the last three years.

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 → Mar 2018

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
770564-99RecompletionHilcorp Energy CompanySep 24, 2013Sep 27, 2013Oct 2, 20136,224
720139-99RecompletionHilcorp Energy CompanyJul 13, 2011Jul 15, 2011Jul 12, 20116,224
699976-99RecompletionHilcorp Energy CompanyJul 30, 2010Aug 10, 2010Sep 1, 20106,224
684064-98DrillHilcorp Energy CompanyOct 12, 2009Aug 14, 2009Oct 2, 20096,500
684064-99DrillHilcorp Energy CompanyAug 12, 2009Aug 14, 2009Oct 11, 20096,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-266668————
—— O-2-954————
—— O-2-964————
—— O-2-968————

Formation tops

As filed on W-2/G-1. Subsea from 37 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO2,750-2,713
Oakville3,300-3,263
Catahoula3,606-3,569
CatahoulaCATAHOULA (MIOCENE)4,100-4,063
AnahuacANAHUAC (MIOCENE)4,365-4,328
Frio4,384-4,347
FrioFRIO-GRETA (OLIGOCENE)4,785-4,748
FrioMIDDLE FRIO (SINTON)5,400-5,363
FrioLOWER FRIO (OLIGOCENE)6,224-6,187
JacksonJACKSON/YEGUA——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
3,9503,990Perforated
4,0184,048Perforated
4,9995,008Perforated
5,4625,469Perforated
5,8785,887Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,26012.25420 S
5.56,2248.751,720 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 17, 2015Dec 12, 2014—
00Mar 21, 2013Aug 22, 2011—
00Nov 12, 2010Sep 21, 2010Yes
00Oct 26, 2010——
00Mar 30, 2010Nov 18, 2009Yes
00Feb 18, 2010——

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

0
bbl, last 12 reported months
1.33M
bbl, all reported
Oct 2019
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000111457W-14 DisposalPlugged Dec 30, 201910,0001,3753,600–4,100

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

Last 12 months 0 · prior 12 59,922(-100%)

010K20K20182019

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/39132924, documented in the API reference.