WELL · 42-391-31860 · DISTRICT 2

Oconnor, Thomas, -C- #88

Oconnor, Thomas, -C- #88 (API 42-391-31860) 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 1985 and 2023, permitted to 8,000 ft.

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

Its 3 leases have reported 5.21M barrels of oil and 4.27M mcf of gas since January 1993, last reporting in July 2026. The leases carry 111 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 · 3,454 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 CompanyJul 24, 2023

8,000: total depth, ft
5: permits on file
Jul 24, 2023: last permit issued
—: completed
5.21M: cumulative oil, bbl
4.27M: 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

28.372406, -97.156425

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

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Oconnor, Thomas, -C- O-2-2587	Tom Oconnor (5500 Sand)	Hilcorp Energy Company	51	2.22M	2.1M	Jan 1993 – Jul 2026
O'Connor, Thomas -C- O-2-2876	Tom Oconnor (5900 Sand)	Hilcorp Energy Company	59	2.99M	2.17M	Jan 1993 – Jul 2026
O'Conner, Thomas -C- O-2-7008	Tom Oconnor (6600)	Hilcorp Energy Company	1	0	0	Jan 1993 – Aug 2005

Oil, barrels lease total

Last 12 months 8,061 · prior 12 12,358(-35%)

Gas, mcf lease total

Last 12 months 389 · prior 12 618(-37%)

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
892305-99	Recompletion	Hilcorp Energy Company	Jul 21, 2023	Jul 24, 2023	Jul 11, 2023	7,934
604956-99	Recompletion	Hilcorp Energy Company	Aug 15, 2005	Aug 16, 2005	—	7,934
602619-99	Recompletion	Hilcorp Energy Company	Jun 27, 2005	Jun 30, 2005	Jun 7, 2005	7,934
394137-99	Recompletion	Quintana Pet. Corp.	Nov 18, 1991	Dec 18, 1991	—	8,000
276541-99	Drill	Quintana Pet. Corp.	May 31, 1985	May 31, 1985	Jun 12, 1985	8,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-2587	—	—	—	—
—	— O-2-2587	—	—	—	—
—	— O-2-2876	—	—	—	—
—	— O-2-7008	—	—	—	—

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
LagartoLARGARTO	2,750	-2,692
Oakville	2,750	-2,692
Catahoula	3,300	-3,242
CatahoulaCATAHOULA (MIOCENE)	3,300	-3,242
AnahuacANAHUAC (MIOCENE)	4,100	-4,042
Frio	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
FrioLOWER FRIO OLIGOCENE)	5,880	-5,822
NO Change	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
5,453	5,457	Perforated
5,520	5,526	Perforated
5,831	5,838	Perforated
5,887	5,892	Perforated
6,579	6,585	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,520	14.75	815 S
7	7,929	9.875	2,238 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
Dec 13, 2023	Oct 19, 2023	—
Jul 11, 2006	Jan 18, 2006	—
Nov 18, 2005	Jul 14, 2005	Yes
Aug 10, 2005	—	—
Dec 10, 1985	Nov 6, 1985	—
Nov 23, 1985	—	—
Oct 31, 1985	Sep 13, 1985	—
Oct 29, 1985	—	—

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 42-391-31860 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-31860 → 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 -C-42-391-01132

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	3,563	-3,505
Anahuac	4,100	-4,042
Anahuac	4,100	-4,042
Frio	4,322	-4,264
Frio	4,365	-4,307

12 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

Heard, Clement42-391-00842

0.4 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

Heard, Clement42-391-32518

0.4 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
Anahuac	4,365	-4,307
Ananhuac	4,365	-4,307

14 TOPS · FIRST 8

Tom O'CONNOR(5800SAND)FIELD Unit42-391-31839

0.4 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
Anahaua	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

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

0.4 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

Clement Heard 4242-391-33211

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

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

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/39131860, documented in the API reference.