WELL · 42-391-01487 · DISTRICT 2

O Connor Thomas A #5GW

Refugio County · Tom O Connor (5770 U South) field · Producing · Vertical

O Connor Thomas A #5GW (API 42-391-01487) is a well in Refugio County operated by Hilcorp Energy Company, completed January 19, 2024 and listed as producing on the RRC schedule.

The RRC has issued 10 drilling permits between 1978 and 2023, permitted to 5,996 ft.

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

Its 6 leases have reported 24.2M barrels of oil and 16.8M mcf of gas since January 1993, last reporting in July 2026. The leases carry 679 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	Hilcorp Energy Company
Production reports	Hilcorp Energy Companythrough Apr 2026
Latest permit	Hilcorp Energy CompanyDec 4, 2023

5,996: total depth, ft
10: permits on file
Dec 4, 2023: last permit issued
Jan 19, 2024: completed
24.2M: cumulative oil, bbl
16.8M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Jan 19, 2024
Shut in: —
Plugged: —

Operator's P-5 on the schedule: X

Surface location

28.355280, -97.162833

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 6 leases this well is completed on; they carry 679 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Oconnor, Thomas -A- O-2-1542	Tom Oconnor	Hilcorp Energy Company	36	650K	756K	Jan 1993 – Jul 2026
Oconnor, Thomas, -A- O-2-2627	Tom Oconnor (5500 Sand)	Hilcorp Energy Company	9	151K	150K	Jan 1993 – Jul 2026
Oconnor, Thomas, -A- O-2-2875	Tom Oconnor (5900 Sand)	Hilcorp Energy Company	11	107K	236K	Jan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280	Tom Oconnor (5800)	Hilcorp Energy Company	594	22.8M	14.9M	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
O'Connor, Thomas "A" G-2-225654	Tom Oconnor (5400 Sand)	Hilcorp Energy Company	1	0	69.8K	Feb 2007 – Apr 2011

Oil, barrels lease total

Last 12 months 734,019 · prior 12 569,900(+29%)

Gas, mcf lease total

Last 12 months 118,722 · prior 12 86,153(+38%)

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
895595-99	Recompletion	Hilcorp Energy Company	Nov 29, 2023	Dec 4, 2023	Nov 14, 2023	5,996
852609-99	Recompletion	Hilcorp Energy Company	Apr 30, 2019	May 3, 2019	Mar 29, 2019	5,996
707829-99	Recompletion	Hilcorp Energy Company	Jan 3, 2011	Jan 12, 2011	Jan 3, 2011	5,996
632655-99	Recompletion	Hilcorp Energy Company	Jan 29, 2007	Jan 31, 2007	Feb 15, 2007	5,996
525135-99	Recompletion	Hilcorp Energy Company	Oct 31, 2002	Nov 1, 2002	Nov 11, 2002	5,996
381886-99	Recompletion	Quintana Pet. Corp.	Dec 4, 1990	Dec 12, 1990	—	5,996
283907-99	Recompletion	Quintana Pet. Corp.	Aug 30, 1985	Sep 3, 1985	—	5,996
118651-99	Recompletion	Quintana Pet. Corp.	May 20, 1981	May 20, 1981	Jun 16, 1981	5,947
57269-99	Recompletion	Quintana Pet. Corp.	Sep 6, 1979	Sep 6, 1979	—	5,947
33226-99	Recompletion	Quintana Pet. Corp.	Sep 21, 1978	Sep 21, 1978	—	5,996

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-2-225654	—	—	—	—
—	— O-2-1542	—	—	—	—
—	— O-2-1542	—	—	—	—
—	— O-2-2627	—	—	—	—
—	— O-2-2875	—	—	—	—
—	— O-2-5280	—	—	—	—
—	— O-2-7579	—	—	—	—
—	— O-2-7579	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 53 ft elevation.Download CSV →

Formation	MD ft	Subsea
LagartoLARGARTO	1,500	-1,447
LagartoLARGARTO	2,750	-2,697
Oakville	2,750	-2,697
CatahoulaCATAHOULA (MIOCENE)	3,300	-3,247
Catahoula	3,596	-3,543
AnahuacANAHUAC (MIOCENE)	4,100	-4,047
Oakville	4,100	-4,047
Frio	4,341	-4,288
Anahuac	4,365	-4,312
FrioFRIO-GRETA (OLIGOCENE)	4,365	-4,312
FrioFRIO-GRETA(OLIGOCENE)	4,365	-4,312
FrioMIDDLE FRIO (SINTON)	5,000	-4,947
FrioLOWER FRIO (OLIGOCENE)	5,880	-5,827
Frio	5,996	-5,943
JacksonJACKSON/YEGUA	—	—
JacksonJACKSON YEGUA DISPOSAL	—	—
NO Change	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
4,346	4,360	Perforated
5,328	5,236	Perforated
5,461	5,480	Perforated
5,539	5,546	Perforated
5,634	5,648	Perforated
5,644	5,654	Perforated
5,668	5,683	Perforated
5,670	5,680	Perforated
5,756	5,762	Perforated
5,838	5,844	Perforated
—	5,480	Perforated
—	5,654	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,245	14.75	400 S
2.375	4,297	—	—
2.375	5,412	—	—
2.375	5,601	—	—
7	5,947	7.875	950 S
7	5,947	9.875	950 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
Mar 5, 2025	Dec 13, 2024	—
Dec 27, 2023	Dec 5, 2023	—
Apr 24, 2020	Feb 11, 2020	—
Jul 1, 2019	May 10, 2019	—
Dec 2, 2011	May 19, 2011	—
Nov 28, 2007	Mar 1, 2007	Yes
Mar 29, 2007	—	—
Feb 26, 2003	Dec 5, 2002	Yes
Dec 19, 2002	—	—
Mar 22, 1991	Jan 21, 1991	Yes
Jan 31, 1991	—	—
Nov 14, 1985	—	—
Nov 4, 1985	Oct 15, 1985	Yes
May 25, 1984	—	—
Jan 12, 1984	Dec 3, 1982	—
Jan 12, 1984	Mar 5, 1982	—
Jan 12, 1984	Nov 14, 1979	—
Jan 12, 1984	Dec 8, 1978	—
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 42-391-01487 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-01487 → 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 →

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

0.1 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

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

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	3,600	-3,548
Anahuac	4,100	-4,048
Catahoula	4,100	-4,048
Anahuac	4,100	-4,048
Greta	4,300	-4,248

19 TOPS · FIRST 8

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

0.3 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

M. F. Lambert42-391-01422

0.6 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	—

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

0.8 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

0.9 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	—

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

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

Surface Sand Clay	1,500	-1,449
Lagarto	1,500	-1,449
Oakville	2,750	-2,699
Catahoula	3,300	-3,249
Catahoula	3,300	-3,249
Anahuac	4,100	-4,049
Greta	4,362	-4,311
Frio	4,365	-4,314

15 TOPS · FIRST 8

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

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

569K: bbl, last 12 reported months
2.79M: bbl, all reported
Sep 2023: reported through

UIC	Kind	Status	Permitted bbl/d	Max psi	Zone ft
000117655	H-1 Injection	Canceled Jan 5, 2024	10,000	2,780	5,560–5,712

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 569,195 · prior 12 798,866(-29%)

TexNet catalog via USGS

Seismicity near this well

0: M2+ events within 10 km, last 2 years
—: largest

A proximity count, not an attribution. How to read it →

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/39101487, documented in the API reference.