WELL · 42-391-01836 · DISTRICT 2

O Connor Thomas B #34

Plugged

Refugio County · Mary Ellen Oconnor (H- 50) field  · Vertical

O Connor Thomas B #34 (API 42-391-01836) is a plugged well in Refugio County, plugged October 11, 2019, last operated by Hilcorp Energy Company.

The RRC has issued 3 drilling permits between 1977 and 2010, permitted to 6,125 ft.

Completion filings report 5 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 3 leases have reported 53.5K barrels of oil and 795K mcf of gas since January 1993, last reporting in April 2020. The leases carry 12 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 Jan 2016
Latest permitHilcorp Energy CompanyJun 17, 2010
6,125
total depth, ft
3
permits on file
Jun 17, 2010
last permit issued
Jan 24, 1996
completed
53.5K
cumulative oil, bbl
795K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2020

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 24, 1996
Shut in
—
Plugged
Oct 11, 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 3 leases this well is completed on; they carry 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
O Connor, Thos. -B- O-2-954Mary Ellen Oconnor (FQ- 9)Hilcorp Energy Company1053.5K308KJan 1993 – Apr 2020
O'Connor, Thomas "B" G-2-157158Mary Ellen Oconnor (H- 50)Hilcorp Energy Company10487KJan 1996 – Aug 2010
Oconnor, Thomas -B- G-2-76189Mary Ellen Oconnor (FQ-25)Quintana Pet. Corp.100Jan 1993 – Jan 1996

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 → Jan 2016

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
697555-99RecompletionHilcorp Energy CompanyJun 14, 2010Jun 17, 2010Jul 15, 20106,125
443889-99RecompletionQuintana Pet. Corp.Jan 19, 1996Jan 26, 1996Jan 18, 19966,125
4968-99OtherQuintana Pet. Corp.Aug 9, 1977Aug 9, 1977—6,125

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-76189————
—— G-2-157158————
—— O-2-954————

Formation tops

As filed on W-2/G-1. Subsea from 30 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,470
Oakville2,750-2,720
CatahoulaCATAHOULA(MIOCENE)3,300-3,270
AnahuacANAHUAC(MIOCENE)4,100-4,070
FrioFRIO-GRETA(OLIGOCENE)4,365-4,335
FrioMIDDLE FRIO(SINTON)5,000-4,970
FrioLOWER FRIO (OBLIGOCENE)5,880-5,850

Perforations

Perforated and open-hole intervals.

FromToType
4,5174,522Perforated
5,7265,734Perforated
5,7865,790Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,34313.75450 S
2.755,773——
5.55,9988.75880 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
00Nov 12, 2010Sep 21, 2010Yes
00Oct 26, 2010——
00May 9, 1996Feb 8, 1996Yes
00Mar 13, 1996——
00Jan 12, 1984Apr 24, 1978—
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/39101836, documented in the API reference.