WELL · 42-391-01467 · DISTRICT 2

Thomas O'Connor 'A' #36

Thomas O'Connor 'A' #36 (API 42-391-01467) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 5 drilling permits between 1987 and 2017, permitted to 5,902 ft.

Completion filings report 9 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 5 leases have reported 1.07M barrels of oil and 2.47M mcf of gas since January 1993, last reporting in July 2026. The leases carry 64 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 schedule	none
Production reports	Hilcorp Energy Companythrough Apr 2026
Latest permit	Hilcorp Energy CompanyDec 1, 2017

5,902: total depth, ft
5: permits on file
Dec 1, 2017: last permit issued
—: completed
1.07M: cumulative oil, bbl
2.47M: 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

28.354471, -97.164521

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 5 leases this well is completed on; they carry 64 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
O'Connor, Thomas "A" O-2-3662	Tom Oconnor (5400 Sand)	Hilcorp Energy Company	20	273K	1.01M	Jan 1993 – Jul 2026
Oconnor, Thomas -A- O-2-4927	Tom Oconnor (5450 Sand)	Hilcorp Energy Company	12	238K	685K	Jan 1993 – Jul 2026
O'Connor, Thomas "A" O-2-7579	Tom O'Connor (5770 U, South)	Hilcorp Energy Company	28	538K	627K	Jan 1993 – Jul 2026
Thomas O'Connor 'A' O-2-11391	Tom Oconnor (5200, East)	Hilcorp Energy Company	3	22.2K	17.1K	May 2016 – Jul 2026
O'Connor, Thomas "A" G-2-163137	Tom Oconnor (5450 Sand)	Hilcorp Energy Company	1	0	130K	May 1997 – Apr 2002

Oil, barrels lease total

Last 12 months 6,840 · prior 12 9,939(-31%)

Gas, mcf lease total

Last 12 months 437 · prior 12 1,082(-60%)

Chain of custody

Every operator that reported production on this well's lease, in order.

1Quintana Pet. Corp.Jan 1993 → Nov 2000
2Hilcorp Energy CompanyDec 2000 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
832501-99	Recompletion	Hilcorp Energy Company	Oct 30, 2017	Dec 1, 2017	Jan 29, 2014	5,902
779421-99	Recompletion	Hilcorp Energy Company	Feb 10, 2014	Mar 5, 2014	—	5,902
716726-99	Recompletion	Hilcorp Energy Company	May 18, 2011	May 20, 2011	Jun 9, 2011	5,902
517647-99	Recompletion	Hilcorp Energy Company	Feb 15, 2002	Mar 21, 2002	Mar 22, 2002	5,902
332188-99	Drill	Quintana Pet. Corp.	Jun 26, 1987	Aug 3, 1987	—	5,902

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-2-163137	—	—	—	—
—	— O-2-3662	—	—	—	—
—	— O-2-4927	—	—	—	—
—	— O-2-7579	—	—	—	—
—	— O-2-11391	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 52 ft elevation.Download CSV →

Formation	MD ft	Subsea
LagartoLARGARTO	1,500	-1,448
LagartoLARGARTO	2,750	-2,698
Oakville	2,750	-2,698
Oakville	2,900	-2,848
CatahoulaCATAHOULA (MIOCENE)	3,300	-3,248
Oakville	3,300	-3,248
Catahoula	3,600	-3,548
Catahoula	3,602	-3,550
Anahuac	4,100	-4,048
AnahuacANAHUAC(MIOCENE)	4,100	-4,048
CatahoulaCATAHOULA(MIOCENE)	4,100	-4,048
Greta	4,300	-4,248
Frio	4,346	-4,294
AnahuacANAHUAC(MIOCENE)	4,365	-4,313
FrioFRIO-GRETA (OLIGOCENE)	4,365	-4,313
FrioFRIO-GRETA(OLIG)	4,785	-4,733
FrioMIDDLE FRIO (SINTON)	5,000	-4,948
FrioUPPER FRIO	5,000	-4,948
5200 East Top	5,129	-5,077
FrioMIDDLE FRIO(SINTON)	5,400	-5,348
FrioLOWER FRIO	5,800	-5,748
FrioLOWER FRIO (OLIGOCENE)	5,880	-5,828
FrioLOWER FRIO (OLIGOCENE)	5,902	-5,850
JacksonJACKSON/YEGUA	—	—
NO Change	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
5,158	5,165	Perforated
5,160	5,167	Perforated
5,377	5,381	Perforated
5,389	5,397	Perforated
5,472	5,478	Perforated
5,480	5,487	Perforated
5,688	5,693	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	625	16	150 S
7	5,900	9.875	535 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 →

Filed	W-2 / G-1 date	Logs referenced
Jul 6, 2021	Jun 3, 2021	—
May 31, 2018	Dec 5, 2017	—
Aug 23, 2013	May 24, 2013	—
Jun 11, 2002	Apr 19, 2002	Yes
May 1, 2002	—	—
Jul 25, 1997	Jun 2, 1997	—
Jun 16, 1997	—	—
Nov 19, 1987	Oct 27, 1987	Yes
Nov 6, 1987	—	—
Aug 17, 1984	Feb 2, 1984	—
May 25, 1984	—	—
Jan 12, 1984	Feb 2, 1984	—
Jan 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.

Wellbore filings for 42-391-01467 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-01467 → scanned completion filings

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 (5800 SD) Fld. Unit42-391-01487

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

Lagarto	1,500	-1,447
Oakville	2,750	-2,697
Catahoula	3,300	-3,247
Catahoula	3,596	-3,543
Anahuac	4,100	-4,047
Frio	4,341	-4,288
Anahuac	4,365	-4,312
Frio	4,365	-4,312

14 TOPS · FIRST 8

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

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

Lagarto	1,500	-1,448
Oakville	2,750	-2,698
Catahoula	3,300	-3,248
Catahoula	3,300	-3,248
Catahoula	3,590	-3,538
Anahuac	4,100	-4,048
Anahuac	4,100	-4,048
Frio	4,342	-4,290

14 TOPS · FIRST 8

M. F. Lambert42-391-01422

0.4 KM · Pennzoil Producing Co. · Section with this well →

Catahoula	3,628	-3,574
Frio	4,352	-4,298
5,250	5,226	-5,172
5,900	5,841	-5,787
Jackson	—
NO Change	—

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

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

Lagarto	1,500	-1,447
Oakville	2,750	-2,697
Catahoula	3,300	-3,247
Catahoula	3,300	-3,247
Catahoula	3,586	-3,533
Anahuac	4,100	-4,047
Anahuac	4,100	-4,047
Frio	4,365	-4,312

17 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-01491

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

Lagarto	2,750	-2,692
Catahoula	3,625	-3,567
Oakville	4,100	-4,042
Frio	4,342	-4,284
Anahuac	4,365	-4,307
Jackson	—

Thomas O'Connor 'A'42-391-01473

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

Lagarto	1,500	-1,447
Oakville	2,750	-2,697
Catahoula	3,300	-3,247
Catahoula	3,635	-3,582
Anahuac	4,100	-4,047
Frio	4,365	-4,312
Frio	4,398	-4,345
Frio	5,000	-4,947

10 TOPS · FIRST 8

O'Connor, Thomas 'A'42-391-01502

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

Catahoula	3,628	-3,575
Frio	4,387	-4,334
Jackson	—

Tom Oconnor (5800 SD) Fld. Unit42-391-31896

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

Lagarto	1,500	-1,445
Oakville	2,750	-2,695
Catahoula	3,300	-3,245
Anahuac	4,100	-4,045
Frio	4,365	-4,310
Frio	5,000	-4,945
Frio	5,880	-5,825
NO Change	—

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/39101467, documented in the API reference.