WELL · 42-391-00565 · DISTRICT 2

Tom O'Connor (4150 Ft. Sd.) Unit #W335A

N

Refugio County  · Vertical

Tom O'Connor (4150 FT. SD.) Unit #W335A (API 42-391-00565) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 3 drilling permits (amended 3 times) between 2009 and 2017, permitted to 5,925 ft.

Completion filings report 3 formation tops, including Catahoula, Frio, Jackson.

Its 4 leases have reported 24.9M barrels of oil and 17M mcf of gas since January 1993, last reporting in July 2026. The leases carry 706 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 schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyMay 18, 2017
5,925
total depth, ft
6
permits on file
May 18, 2017
last permit issued
—
completed
24.9M
cumulative oil, bbl
17M
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

28.385165, -97.132628

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 4 leases this well is completed on; they carry 706 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Heard, Fannie, V. W., Mrs. O-2-2874Tom Oconnor (5900 Sand)Hilcorp Energy Company431.63M1.67MJan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Jul 2026
Tom O'Connor (4150 Ft. Sd.) Unit O-2-8874Tom O'Connor (4150)Hilcorp Energy Company68512K461KJun 2004 – Jul 2026
Mrs. Fannie V. W. Heard G-2-280661Tom Oconnor (5050, East)Hilcorp Energy Company100Dec 2015 – Sep 2017

Oil, barrels lease total

Last 12 months 673,302 · prior 12 529,221(+27%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,612 · prior 12 84,078(+40%)

020K40K60K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Quintana Pet. Corp.Jan 1993 → Nov 2000
  2. 2Hilcorp Energy CompanyDec 2000 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
826308-98RecompletionHilcorp Energy CompanySep 15, 2017May 18, 2017May 3, 20175,925
826308-99RecompletionHilcorp Energy CompanyMay 5, 2017May 18, 2017—5,925
803158-97RecompletionHilcorp Energy CompanyNov 4, 2015Feb 10, 2015Dec 10, 20155,925
803158-98RecompletionHilcorp Energy CompanyJun 26, 2015Feb 10, 2015—5,925
803158-99RecompletionHilcorp Energy CompanyJan 23, 2015Feb 10, 2015—5,925
678955-99RecompletionHilcorp Energy CompanyFeb 26, 2009Mar 10, 2009—5,925

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-280661————
—— O-2-2874————
—— O-2-5280————
—— O-2-8874————

Formation tops

As filed on W-2/G-1. Subsea from 52 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula3,577-3,525
Frio4,339-4,287
Frio4,378-4,326
JacksonJACKSON/YEGUA——

Perforations

Perforated and open-hole intervals.

FromToType
4,1054,115Perforated
5,0055,015Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,05916350 S
55,9238.75500 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Mar 22, 2018Oct 2, 2017—
00Aug 29, 2016May 11, 2016—
00Jan 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.

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, Fannie V. W., Mrs.42-391-00562

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

Catahoula3,556-3,526
Frio4,346-4,316
Jackson—

Mrs. Fannie V. W. Heard42-391-00567

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

NO Change—

Tom Oconnor (5800 SD) Fld. Unit42-391-00703

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Anahuac4,100-4,047
Frio4,365-4,312
Frio4,365-4,312
Frio5,000-4,947
Frio5,880-5,827

9 TOPS · FIRST 8

Tom Oconnor (5800 SD) Fld. Unit42-391-00570

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

Surface Sand Clay1,500-1,449
Lagarto1,500-1,449
Oakville2,750-2,699
Catahoula3,300-3,249
Catahoula4,100-4,049
Anahuac4,100-4,049
Anahuac4,100-4,049
Frio4,362-4,311

17 TOPS · FIRST 8

Heard, Fannie V. W., Mrs.42-391-33203

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

Catahoula3,578-3,529
Frio4,321-4,272
Jackson—

Tom O'CONNOR(5800 SD) Fld. Unit42-391-00435

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

Surface Sand Clay1,500-1,449
Lagarto1,500-1,449
Oakville2,750-2,699
Catahoula3,300-3,249
Catahoula3,589-3,538
Anahuac4,100-4,049
Frio4,364-4,313
Frio4,365-4,314

14 TOPS · FIRST 8

Heard, Mrs Fannie V.W.42-391-00563

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

Lagarto1,500-1,441
Oakville2,750-2,691
Catahoula3,300-3,241

Tom O'Connor (5800'SD)FIELD Unit42-391-00690

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,300-3,247
Catahoula3,564-3,511
Anahuac4,100-4,047
Anahuac4,100-4,047
Frio4,327-4,274

16 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/39100565, documented in the API reference.