WELL · 42-391-01132 · DISTRICT 2

Tom Oconnor (5800 SD) Fld. Unit #7G

Refugio County · Tom Oconnor (5800) field · Vertical

Tom Oconnor (5800 SD) Fld. Unit #7G (API 42-391-01132) is a well in Refugio County operated by Hilcorp Energy Company, completed May 2, 1986.

The RRC has issued 4 drilling permits between 1977 and 2017, permitted to 6,000 ft.

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

Its 3 leases have reported 25.6M barrels of oil and 17.3M mcf of gas since January 1993, last reporting in July 2026. The leases carry 663 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 7, 2017

6,000: total depth, ft
4: permits on file
Dec 7, 2017: last permit issued
May 2, 1986: completed
25.6M: cumulative oil, bbl
17.3M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: May 2, 1986
Shut in: —
Plugged: —

Surface location

28.371320, -97.155508

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

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Oconnor, Thomas, -C- O-2-2566	Tom Oconnor (4500 Greta Mass.)	Hilcorp Energy Company	18	646K	278K	Jan 1993 – Jul 2026
Oconnor, Thomas, -C- O-2-2587	Tom Oconnor (5500 Sand)	Hilcorp Energy Company	51	2.22M	2.1M	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

Oil, barrels lease total

Last 12 months 684,708 · prior 12 538,372(+27%)

Gas, mcf lease total

Last 12 months 118,044 · prior 12 84,893(+39%)

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
833772-99	Recompletion	Hilcorp Energy Company	Dec 1, 2017	Dec 7, 2017	Dec 4, 2017	6,000
410141-99	Other	Quintana Pet. Corp.	Mar 24, 1993	May 21, 1993	Apr 28, 1993	6,000
99819-99	Recompletion	Quintana Pet. Corp.	Nov 19, 1980	Nov 19, 1980	—	6,000
164-99	Recompletion	Quintana Pet. Corp.	Jun 7, 1977	Jun 7, 1977	—	5,794

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-2566	—	—	—	—
—	— O-2-2587	—	—	—	—
—	— O-2-5280	—	—	—	—
—	— O-2-5280	—	—	—	—

Formation tops

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

Formation	MD ft	Subsea
LagartoLARGARTO	1,500	-1,442
Oakville	2,750	-2,692
CatahoulaCATAHOULA (MIOCENE)	3,300	-3,242
Catahoula	3,563	-3,505
AnahuacANAHUAC (MIOCENE)	4,100	-4,042
AnahuacANAHUAC(OLIGOCENE)	4,100	-4,042
Frio	4,322	-4,264
FrioFRIO-GRETA (OLIGOCENE)	4,365	-4,307
FrioFRIO-GRETA(OLIGOCENE)	4,365	-4,307
FrioMIDDLE FRIO (SINTON)	5,000	-4,942
FrioLOWER FRIO (OLIGOCENE)	5,880	-5,822
JacksonJACKSON/YEGUA	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
4,049	4,063	Perforated
4,382	4,392	Perforated
5,103	5,121	Perforated
5,478	5,484	Perforated
5,690	5,695	Perforated
5,698	5,702	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,229	15	350 S
10.75	1,242	15	350 S
7	2,984	9.875	930 S
2.375	5,684	—	—
7	5,982	9.875	930 S
7	5,984	9.875	930 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
Aug 31, 2018	May 17, 2018	—
Nov 10, 1993	Aug 2, 1993	—
Aug 10, 1993	—	—
Aug 4, 1986	Jun 30, 1986	—
Jul 8, 1986	Apr 9, 1981	—
Jan 12, 1984	Apr 9, 1981	—
Jan 12, 1984	Jun 10, 1977	—
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 42-391-01132 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-01132 → 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)FIELD UT42-391-31860

0.2 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

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

0.2 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(5800SAND)FIELD Unit42-391-31839

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

Surface Sand Clay	1,500	-1,443
Lagarto	1,500	-1,443
Oakville	2,750	-2,693
Catahoula	3,300	-3,243
Catahoula	3,543	-3,486
Anahuac	4,100	-4,043
Frio	4,358	-4,301
Anahauc	4,365	-4,308

18 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

Thomas O'Connor 'C'42-391-01147

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	3,538	-3,485
Anahuac	4,100	-4,047
Frio	4,321	-4,268
Anahuac	4,365	-4,312
Frio	4,365	-4,312

13 TOPS · FIRST 8

Heard, Clement42-391-32518

0.5 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
Ananhuac	4,365	-4,307
Anahuac	4,365	-4,307
Anahuac	4,365	-4,307

14 TOPS · FIRST 8

Tom O'Connor (4150 Ft. Sd.) Unit42-391-32533

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

Lagarto	2,750	-2,692
Oakville	3,300	-3,242
Catahoula	3,566	-3,508
Catahoula	4,100	-4,042
Catahoula	4,100	-4,042
Greta	4,300	-4,242
Frio	4,318	-4,260
Anahuac	4,365	-4,307

14 TOPS · FIRST 8

Heard, Clement42-391-00842

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

Lagarto	1,500	-1,443
Oakville	2,750	-2,693
Catahoula	3,300	-3,243
Catahoula	3,589	-3,532
Anahuac	4,100	-4,043
Frio	4,354	-4,297
Frio	4,365	-4,308
Frio	5,000	-4,943

10 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/39101132, documented in the API reference.