WELL · 42-391-31896 · DISTRICT 2

O Connor Thomas -C- #Q291

N

Refugio County · Tom Oconnor (5900 Sand) field  · Vertical

O Connor Thomas -C- #Q291 (API 42-391-31896) is a well in Refugio County operated by Hilcorp Energy Company, completed January 20, 1986.

The RRC has issued 3 drilling permits between 1985 and 2024, permitted to 8,500 ft.

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

Its 3 leases have reported 28M barrels of oil and 19.2M mcf of gas since January 1993, last reporting in July 2026. The leases carry 704 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 scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyOct 29, 2024
8,500
total depth, ft
3
permits on file
Oct 29, 2024
last permit issued
Jan 20, 1986
completed
28M
cumulative oil, bbl
19.2M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 20, 1986
Shut in
—
Plugged
—

Surface location

28.363195, -97.162790

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 704 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
O'Connor, Thomas -C- O-2-2876Tom Oconnor (5900 Sand)Hilcorp Energy Company592.99M2.17MJan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 681,261 · prior 12 536,766(+27%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,915 · prior 12 84,330(+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
903197-99RecompletionHilcorp Energy CompanyOct 11, 2024Oct 29, 2024Oct 4, 20248,477
534914-99RecompletionHilcorp Energy CompanyAug 4, 2003Aug 8, 2003Aug 14, 20038,477
291088-99DrillQuintana Pet. Corp.Nov 8, 1985Nov 22, 1985—8,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-2587————
—— O-2-2876————
—— O-2-5280————

Formation tops

As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,445
Oakville2,750-2,695
CatahoulaCATAHOULA (MIOCENE)3,300-3,245
AnahuacANAHUAC (MIOCENE)4,100-4,045
FrioFRIO-GRETA (OLIGOCENE)4,365-4,310
FrioMIDDLE FRIO (SINTON)5,000-4,945
FrioLOWER FRIO (OLIGOCENE)5,880-5,825
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,5225,527Perforated
5,7475,753Perforated
5,8465,855Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,49914.75690 S
76,1029.8751,240 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
00Dec 17, 2024Nov 21, 2024—
00Dec 11, 2003Aug 28, 2003Yes
00Oct 3, 2003Feb 25, 1986Yes
00Apr 8, 1986Feb 25, 1986Yes
00Apr 4, 1986——

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 →

Tom O'Connor (4150 Ft. Sd.) Unit42-391-01171

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,559-3,506
Anahuac4,100-4,047
Frio4,332-4,279
Frio4,365-4,312
Frio5,000-4,947

10 TOPS · FIRST 8

Tom O'Connor (5800 Sand) Field U42-391-31613

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

Surface, Sand & Clay1,500-1,446
Lagarto2,750-2,696
Oakville3,300-3,246
Catahoula3,560-3,506
Catahoula4,100-4,046
Frio4,325-4,271
Anahuac4,365-4,311
Frio4,785-4,731

11 TOPS · FIRST 8

O'Connor, Thomas 'C'42-391-01167

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

Lagarto1,500-1,446
Oakville2,750-2,696
Catahoula3,300-3,246
Catahoula3,565-3,511
Anahuac4,100-4,046
Frio4,329-4,275
Frio4,365-4,311
Frio4,785-4,731

12 TOPS · FIRST 8

Tom O'Connor "A"42-391-01515

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,300-3,247
Catahoula3,586-3,533
Anahuac4,100-4,047
Anahuac4,100-4,047
Frio4,365-4,312

17 TOPS · FIRST 8

Tom O'Connor (5800 SD) Fld. Unit42-391-01487

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,596-3,543
Anahuac4,100-4,047
Frio4,341-4,288
Frio4,365-4,312
Anahuac4,365-4,312

14 TOPS · FIRST 8

Thomas O'Connor 'A'42-391-01460

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

Lagarto1,500-1,448
Oakville2,750-2,698
Catahoula3,300-3,248
Catahoula3,300-3,248
Catahoula3,590-3,538
Anahuac4,100-4,048
Anahuac4,100-4,048
Frio4,342-4,290

14 TOPS · FIRST 8

Tom OCONNOR(5800 Sand)field Unit42-391-01514

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

Lagarto1,500-1,449
Surface Sand Clay1,500-1,449
Oakville2,750-2,699
Catahoula3,300-3,249
Catahoula3,300-3,249
Anahuac4,100-4,049
Greta4,362-4,311
Frio4,365-4,314

15 TOPS · FIRST 8

Thomas O'Connor 'A'42-391-01467

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

Lagarto1,500-1,448
Oakville2,750-2,698
Catahoula3,300-3,248
Catahoula3,600-3,548
Catahoula4,100-4,048
Anahuac4,100-4,048
Anahuac4,100-4,048
Greta4,300-4,248

19 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

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