WELL · 42-391-01148 · DISTRICT 2

Thomas O'Connor 'C' #34

N

Refugio County  · Vertical

Thomas O'Connor 'C' #34 (API 42-391-01148) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 4 drilling permits between 1989 and 2017, permitted to 5,925 ft.

Completion filings report 8 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 3 leases have reported 25M barrels of oil and 17M mcf of gas since January 1993, last reporting in July 2026. The leases carry 646 wells, so these are lease totals, not this well alone.

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 schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyNov 15, 2017
5,925
total depth, ft
4
permits on file
Nov 15, 2017
last permit issued
—
completed
25M
cumulative oil, bbl
17M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.367401, -97.149365

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Refugio County.

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 646 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 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Jul 2026
Thomas O'Connor -C- O-2-11452Tom O'CONNOR(4900)Hilcorp Energy Company101Oct 2017 – Jul 2026

Oil, barrels lease total

Last 12 months 679,197 · prior 12 533,906(+27%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,908 · prior 12 84,116(+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
832865-99RecompletionHilcorp Energy CompanyNov 7, 2017Nov 15, 2017Oct 9, 20175,925
721490-99RecompletionHilcorp Energy CompanyAug 2, 2011Aug 10, 2011—5,925
520802-99RecompletionHilcorp Energy CompanyJun 10, 2002Jun 12, 2002Jun 18, 20025,925
355165-99RecompletionQuintana Pet. Corp.Jan 13, 1989Jan 13, 1989—5,925

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-2587————
—— O-2-5280————
—— O-2-11452————

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
CatahoulaCATAHOULA (MIOCENE)3,300-3,247
AnahuacANAHUAC (MIOCENE)4,100-4,047
FrioFRIO-GRETA (OLIGOCENE)4,365-4,312
Frio4,366-4,313
Catahoula4,566-4,513
Top PF 49004,739-4,686
FrioMIDDLE FRIO (SINTON)5,000-4,947
FrioLOWER FRIO (OLIGOCENE)5,880-5,827
JacksonJACKSON/YEGUA——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
4,7384,746Perforated
5,4775,485Perforated
5,7045,714Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,01616350 S
9.6251,01916350 S
55,9238.75500 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
00Jun 27, 2018Nov 20, 2017Yes
00Sep 3, 2002Jul 1, 2002Yes
00Aug 6, 2002——
00Mar 21, 1989Jan 30, 1989Yes
00Feb 22, 1989——
00May 25, 1984——
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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Thomas O'Connor 'C'42-391-01158

0.2 KM · Hilcorp Energy Company · Section with this well →

Oakville2,900-2,848
Catahoula3,548-3,496
Anahuac4,100-4,048
Greta4,300-4,248
Frio4,330-4,278
Frio5,000-4,948
Frio5,800-5,748
Jackson—

9 TOPS · FIRST 8

Oconnor, Thomas -C-42-391-01153

0.2 KM · Hilcorp Energy Company · Section with this well →

Lagarto1,500-1,434
Lagarto1,500-1,434
Oakville2,750-2,684
Catahoula3,300-3,234
Catahoula3,540-3,474
Anahuac4,100-4,034
Frio4,365-4,299
Frio5,000-4,934

9 TOPS · FIRST 8

Thomas O'Connor 'C'42-391-01147

0.4 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,538-3,485
Anahuac4,100-4,047
Frio4,321-4,268
Anahuac4,365-4,312
Frio4,365-4,312

13 TOPS · FIRST 8

Tom O'CONNOR(5800SAND)FIELD Unit42-391-31839

0.5 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,443
Surface Sand Clay1,500-1,443
Oakville2,750-2,693
Catahoula3,300-3,243
Catahoula3,543-3,486
Anahuac4,100-4,043
Frio4,358-4,301
Frio4,365-4,308

18 TOPS · FIRST 8

Tom O'CONNOR(5800'SAND)FLD. Unit42-391-01567

0.6 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,452
Oakville2,750-2,702
Catahoula3,300-3,252
Anahuac4,100-4,052
Frio4,365-4,317
Frio4,365-4,317
Frio5,000-4,952
Frio5,880-5,832

Tom O'Connor (5800'SD)FIELD Unit42-391-31609

0.6 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,442
Oakville2,750-2,692
Catahoula3,300-3,242
Catahoula3,609-3,551
Anahuac4,100-4,042
Frio4,365-4,307
Frio5,000-4,942
Frio5,068-5,010

10 TOPS · FIRST 8

Oconnor, Thomas -C-42-391-01564

0.7 KM · Hilcorp Energy Company · Section with this well →

Oakville2,750-2,694
Catahoula3,300-3,244
Frio4,365-4,309
Frio4,365-4,309

Thomas O'Connor -C-42-391-01132

0.7 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,442
Oakville2,750-2,692
Catahoula3,300-3,242
Catahoula3,563-3,505
Anahuac4,100-4,042
Anahuac4,100-4,042
Frio4,322-4,264
Frio4,365-4,307

12 TOPS · FIRST 8

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/39101148, documented in the API reference.