WELL · 42-391-01152 · DISTRICT 2

Tom Oconnor (5800 SD) Fld. Unit #Q238

Tom Oconnor (5800 SD) Fld. Unit #Q238 (API 42-391-01152) is a former disposal or injection well in Refugio County, last operated by Hilcorp Energy Company; its UIC permit is no longer active.

The RRC has issued 4 drilling permits between 1987 and 2024, permitted to 5,918 ft.

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

Its 3 leases have reported 23.1M barrels of oil and 15M mcf of gas since January 1993, last reporting in July 2026. The leases carry 607 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 CompanyMar 18, 2024

5,918: total depth, ft
4: permits on file
Mar 18, 2024: last permit issued
—: completed
23.1M: cumulative oil, bbl
15M: 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

28.370247, -97.140956

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

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
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 -C- O-2-9135	Tom Oconnor (5200, East)	Hilcorp Energy Company	12	272K	61.7K	Apr 2007 – Jul 2026
O'Connor, Thomas "C" O-2-8969	Tom O'Connor (5350 Sand)	Hilcorp Energy Company	1	9.09K	6.58K	May 2005 – Feb 2017

Oil, barrels lease total

Last 12 months 688,131 · prior 12 539,683(+28%)

Gas, mcf lease total

Last 12 months 118,033 · prior 12 85,345(+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
898206-99	Recompletion	Hilcorp Energy Company	Mar 16, 2024	Mar 18, 2024	—	5,918
705867-99	Recompletion	Hilcorp Energy Company	Nov 23, 2010	Nov 29, 2010	Nov 19, 2010	5,918
558326-99	Recompletion	Hilcorp Energy Company	Feb 28, 2005	Mar 3, 2005	May 13, 2005	5,918
336211-99	Recompletion	Quintana Pet. Corp.	Sep 21, 1987	Sep 22, 1987	—	5,918

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-5280	—	—	—	—
—	— O-2-5280	—	—	—	—
—	— O-2-8969	—	—	—	—
—	— O-2-9135	—	—	—	—

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
Oakville	2,750	-2,697
CatahoulaCATAHOULA (MIOCENE)	3,300	-3,247
Catahoula	3,599	-3,546
AnahuacANAHUAC (MIOCENE)	4,100	-4,047
Frio	4,353	-4,300
FrioFRIO-GRETA (OLIGOCENE)	4,365	-4,312
FrioMIDDLE FRIO (SINTON)	5,000	-4,947
5800 Frio	5,750	-5,697
FrioLOWER FRIO (OLIGOCENE)	5,880	-5,827
JacksonJACKSON/YEGUA	—	—
NO Change	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
5,147	5,157	Perforated
5,210	5,216	Perforated
5,315	5,322	Perforated
5,755	5,764	Perforated
5,758	5,762	Perforated
5,766	5,772	Perforated
5,848	5,862	Perforated
—	5,764	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	1,038	14	350 S
5.5	5,916	8.75	500 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
Oct 21, 2024	Jun 12, 2024	—
Sep 12, 2017	Jul 18, 2017	—
Feb 24, 2017	Jan 23, 2017	—
Sep 2, 2005	Jun 1, 2005	Yes
Jun 30, 2005	—	—
Nov 16, 1988	Aug 24, 1988	Yes
Sep 22, 1988	—	—
Dec 9, 1985	Oct 30, 1985	—
Nov 23, 1985	—	—
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 42-391-01152 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-01152 → 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'SAND)FLD. Unit42-391-01567

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

Lagarto	1,500	-1,452
Oakville	2,750	-2,702
Catahoula	3,300	-3,252
Anahuac	4,100	-4,052
Frio	4,365	-4,317
Frio	4,365	-4,317
Frio	5,000	-4,952
Frio	5,880	-5,832

Oconnor, Thomas -C-42-391-01153

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

Lagarto	1,500	-1,434
Lagarto	1,500	-1,434
Oakville	2,750	-2,684
Catahoula	3,300	-3,234
Catahoula	3,540	-3,474
Anahuac	4,100	-4,034
Frio	4,365	-4,299
Frio	5,000	-4,934

9 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-00707

0.7 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	3,601	-3,549
Anahuac	4,100	-4,048
Frio	4,351	-4,299
Frio	4,365	-4,313

14 TOPS · FIRST 8

Tom O'Connor (5800 SD) Fld. Unit42-391-00683

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

Lagarto	2,750	-2,698
Catahoula	3,524	-3,472
Oakville	4,100	-4,048
Frio	4,314	-4,262
Anahuac	4,365	-4,313
Frio	4,785	-4,733
Frio	5,400	-5,348
Frio	5,925	-5,873

9 TOPS · FIRST 8

Tom O'Connor (5800'SD)FIELD Unit42-391-31575

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

Lagarto	1,500	-1,452
Oakville	2,750	-2,702
Catahoula	3,300	-3,252
Anahuac	4,100	-4,052
Catahoula	4,100	-4,052
Catahoula	4,100	-4,052
Frio	4,365	-4,317
Frio	5,000	-4,952

13 TOPS · FIRST 8

Oconnor, Thomas -C-42-391-01564

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

Oakville	2,750	-2,694
Catahoula	3,300	-3,244
Frio	4,365	-4,309
Frio	4,365	-4,309

Tom O'Connor (5800 Sd)field Unit42-391-01148

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
Anahuac	4,100	-4,047
Frio	4,365	-4,312
Frio	4,366	-4,313
Catahoula	4,566	-4,513
Top PF 4900	4,739	-4,686

12 TOPS · FIRST 8

O'Connor, Tom (5800 Sand) Field42-391-00672

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

Lagarto	1,500	-1,448
Lagarto	1,500	-1,448
Oakville	2,750	-2,698
Catahoula	3,300	-3,248
Catahoula	3,300	-3,248
Catahoula	3,510	-3,458
Anahuac	4,100	-4,048
Frio	4,308	-4,256

14 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0: bbl, last 12 reported months
0: bbl, all reported
Sep 2025: reported through

UIC	Kind	Status	Permitted bbl/d	Max psi	Zone ft
000122674	H-1 Injection	Not activated	6,000	2,200	4,410–4,475

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

Last 12 months 0 · prior 12 0

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/39101152, documented in the API reference.