WELL · 42-391-32533 · DISTRICT 2

Tom O'Connor (4150 Ft. Sd.) Unit #W536A

Tom O'Connor (4150 FT. SD.) Unit #W536A (API 42-391-32533) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 7 drilling permits (amended once) between 2003 and 2017, permitted to 6,400 ft.

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

Its 5 leases have reported 3.62M barrels of oil and 2.81M mcf of gas since January 1993, last reporting in July 2026. The leases carry 130 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 CompanyNov 17, 2017

6,400: total depth, ft
8: permits on file
Nov 17, 2017: last permit issued
—: completed
3.62M: cumulative oil, bbl
2.81M: 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

28.375478, -97.153564

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 130 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Heard, Clement O-2-2523	Tom Oconnor (4500 Greta Mass.)	Hilcorp Energy Company	16	539K	277K	Jan 1993 – Jul 2026
Heard, Clement O-2-2585	Tom Oconnor (5500 Sand)	Hilcorp Energy Company	20	1.34M	986K	Jan 1993 – Jul 2026
Heard, Clement O-2-2873	Tom Oconnor (5900 Sand)	Hilcorp Energy Company	22	1.22M	1.07M	Jan 1993 – Jul 2026
Tom O'Connor (4150 Ft. Sd.) Unit O-2-8874	Tom O'Connor (4150)	Hilcorp Energy Company	68	512K	461K	Jun 2004 – Jul 2026
Clement Heard O-2-9197	Tom Oconnor (5200, East)	Hilcorp Energy Company	4	5.36K	12.6K	Mar 2008 – Jul 2026

Oil, barrels lease total

Last 12 months 12,857 · prior 12 17,190(-25%)

Gas, mcf lease total

Last 12 months 1,114 · prior 12 2,068(-46%)

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
833145-99	Recompletion	Hilcorp Energy Company	Nov 13, 2017	Nov 17, 2017	Nov 16, 2017	6,200
770841-99	Recompletion	Hilcorp Energy Company	Sep 30, 2013	Oct 11, 2013	Oct 8, 2013	6,200
716414-99	Recompletion	Hilcorp Energy Company	May 13, 2011	May 18, 2011	—	6,200
656925-99	Recompletion	Hilcorp Energy Company	Mar 7, 2008	Mar 19, 2008	Mar 7, 2008	6,200
616777-99	Recompletion	Hilcorp Energy Company	Mar 30, 2006	Apr 4, 2006	Feb 15, 2006	6,200
610158-99	Recompletion	Hilcorp Energy Company	Nov 29, 2005	Nov 30, 2005	Dec 8, 2005	6,400
536221-98	Drill	Hilcorp Energy Company	Oct 6, 2003	Sep 12, 2003	—	6,400
536221-99	Drill	Hilcorp Energy Company	Sep 9, 2003	Sep 12, 2003	Sep 18, 2003	6,400

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-2523	—	—	—	—
—	— O-2-2523	—	—	—	—
—	— O-2-2585	—	—	—	—
—	— O-2-2873	—	—	—	—
—	— O-2-8874	—	—	—	—
—	— O-2-9197	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 58 ft elevation.Download CSV →

Formation	MD ft	Subsea
LagartoLARGARTO	2,750	-2,692
Oakville	3,300	-3,242
Catahoula	3,566	-3,508
CatahoulaCATAHOULA (MIOCENE)	4,100	-4,042
CatahoulaCATAHOULA(MIOCENE)	4,100	-4,042
Greta	4,300	-4,242
Frio	4,318	-4,260
AnahuacANAHUAC (MIOCENE)	4,365	-4,307
FrioFRIO-GRETA (OLIG)	4,785	-4,727
FrioUPPER FRIO	5,000	-4,942
FrioMIDDLE FRIO (SINTON)	5,400	-5,342
FrioLOWER FRIO	5,800	-5,742
FrioLOWER FRIO (OLIGOCENE)	6,200	-6,142
JacksonJACKSON/YEGUA	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
4,092	4,102	Perforated
4,379	4,384	Perforated
4,380	4,392	Perforated
5,155	5,159	Perforated
5,466	5,474	Perforated
5,816	5,820	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,418	14.75	670 S
7	6,195	9.875	1,115 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
Sep 25, 2018	Sep 5, 2018	—
Jan 28, 2014	Oct 17, 2013	—
May 13, 2008	Mar 26, 2008	Yes
May 1, 2008	—	—
Feb 6, 2007	Apr 21, 2006	Yes
Sep 18, 2006	—	—
Jun 5, 2006	Jan 5, 2006	Yes
Feb 21, 2006	—	—
Feb 6, 2004	Nov 21, 2003	Yes
Jan 20, 2004	—	—

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 42-391-32533 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-32533 → 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 →

Heard, Clement42-391-32518

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

Lagarto	2,750	-2,692
Oakville	3,300	-3,242
Catahoula	3,560	-3,502
Catahoula	3,563	-3,505
Frio	4,316	-4,258
Anahuac	4,365	-4,307
Ananhuac	4,365	-4,307
Anahuac	4,365	-4,307

14 TOPS · FIRST 8

Clement Heard 4242-391-33211

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

Catahoula	3,544	-3,491
Frio	4,320	-4,267
Jackson	—

Heard, Clement42-391-32492

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

Surface SD Clay	1,500	-1,443
Lagarto	2,750	-2,693
Oakville	3,300	-3,243
Catahoula	3,533	-3,476
Catahoula	4,100	-4,043
Frio	4,313	-4,256
Anahuac	4,365	-4,308
Frio	4,785	-4,728

11 TOPS · FIRST 8

Clement Heard 4142-391-33207

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

Catahoula	3,528	-3,474
Frio	4,316	-4,262
Jackson	—

Tom O'Connor (5800 SD) FLD Unit42-391-31248

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

Lagarto	1,500	-1,441
Oakville	2,750	-2,691
Catahoula	3,300	-3,241
Catahoula	3,300	-3,241
Anahuac	4,100	-4,041
Frio	4,362	-4,303
Frio	4,365	-4,306
Frio	5,000	-4,941

10 TOPS · FIRST 8

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

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

Lagarto	1,500	-1,442
Oakville	2,750	-2,692
Catahoula	3,300	-3,242
Catahoula	3,609	-3,551
Anahuac	4,100	-4,042
Frio	4,365	-4,307
Frio	5,000	-4,942
Frio	5,068	-5,010

10 TOPS · FIRST 8

Bauer, Mary Claire et Vir42-391-32503

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

Surface Sand Clay	1,500	-1,446
Lagarto	2,750	-2,696
Oakville	3,300	-3,246
Catahoula	3,544	-3,490
Frio	4,320	-4,266
Anahuac	4,365	-4,311
Anahauac	4,365	-4,311
Top 4500	4,379	-4,325

13 TOPS · FIRST 8

Tom O'Connor (5800'SAND)FIELD UT42-391-31860

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

Lagarto	1,500	-1,442
Oakville	2,750	-2,692
Catahoula	3,300	-3,242
Catahoula	3,300	-3,242
Anahuac	4,100	-4,042
Frio	4,365	-4,307
Frio	4,365	-4,307
Frio	5,000	-4,942

11 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/39132533, documented in the API reference.