WELL · 42-391-33075 · DISTRICT 2

W. J. Fox 'A' #50

N

Refugio County  · Directional

W. J. Fox 'A' #50 (API 42-391-33075) is a disposal or injection well in Refugio County operated by Hilcorp Energy Company under an active UIC permit.

The RRC has issued 3 drilling permits between 2013 and 2018, permitted to 8,500 ft.

Completion filings report 7 formation tops, including Catahoula, Frio, 5800a, 6400.

Its 3 leases have reported 35.5K barrels of oil and 252K mcf of gas since January 1993, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit; TexNet located 0 M2+ earthquakes within 10 km over the last two years.

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 CompanyDec 31, 2018
8,500
total depth, ft
3
permits on file
Dec 31, 2018
last permit issued
—
completed
35.5K
cumulative oil, bbl
252K
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

28.350826, -97.231896

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Fox, W. J. -A- O-2-3458Refugio-Fox (5800)Hilcorp Energy Company635.5K3.1KJan 1993 – Jul 2026
W. J. Fox 'A' O-2-11077Refugio-Fox (6500)Hilcorp Energy Company100Jul 2015 – Feb 2021
Fox, W. J. -A- G-2-271692Refugio-Fox (6600)Hilcorp Energy Company10249KSep 2013 – Jan 2021

Oil, barrels lease total

Last 12 months 73 · prior 12 741(-90%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 7(-100%)

0510202420252026

Chain of custody

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

  1. 1Hilcorp Energy CompanySep 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
842097-99RecompletionHilcorp Energy CompanyJul 9, 2018Dec 31, 2018Jul 25, 20138,412
789030-99RecompletionHilcorp Energy CompanyJun 9, 2014Jul 9, 2014Jun 11, 20148,412
764159-99DrillHilcorp Energy CompanyJun 6, 2013Jun 12, 2013Jul 24, 20138,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-271692————
—— O-2-3458————
—— O-2-11077————

Formation tops

As filed on W-2/G-1. Subsea from 57 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula3,614-3,557
Frio4,448-4,391
Frio4,449-4,392
5800A5,857-5,800
64006,418-6,361
66006,614-6,557
Top 6600'6,614-6,557
JacksonJACKSON/YEGUA——

Perforations

Perforated and open-hole intervals.

FromToType
5,9375,953Perforated
6,5946,608Perforated
6,6156,620Perforated
6,8266,834Perforated
6,8266,838Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,03012.25950 S
5.58,9028.752,575 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
00Feb 2, 2021Jan 27, 2021—
00Mar 23, 2018Nov 14, 2017—
00Jan 29, 2016Jul 29, 2015Yes
00Mar 26, 2014Sep 26, 2013Yes

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 →

W. J. Fox -A-42-391-33183

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

Catahoula3,639-3,586
Frio4,459-4,406
Jackson—

Fox, W. J. -A-42-391-01289

0.4 KM · Pennzoil Exploration & Prod. Co. · Section with this well →

Catahoula3,603-3,549
Frio4,449-4,395
M. Frio Sinton4,978-4,924
Jackson—

W. J. Fox 'A'42-391-01303

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

Catahoua3,701-3,648
Catahoula3,701-3,648
Frio4,513-4,460
FF-297,374-7,321
NO Change—
Jackson—

Miguelita Scanio42-391-33089

2.5 KM · Acock/Anaqua Operating Co., LP · Section with this well →

Catahoula3,500-3,470
Greta4,300-4,270
Refugio-Fox 65506,550-6,520

Miguelita Scanio42-391-32775

2.8 KM · Acock/Anaqua Operating Co., LP · Section with this well →

Catahoula3,550-3,498
Catahoula3,550-3,498
Catahould3,600-3,548
Greta4,300-4,248
Frio4,330-4,278
Frio4,330-4,278
Jackson—
Jackson—

Miguelita Scanio42-391-32868

2.8 KM · Acock/Anaqua Operating Co., LP · Section with this well →

Catahoula3,550-3,508
Greta4,300-4,258

Miguelita Scanio42-391-33179

2.9 KM · Acock/Anaqua Operating Co., LP · Section with this well →

Catahoula3,646-3,600
Frio4,402-4,356
Jackson—

M. F. Lambert 'A'42-391-33052

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

Surface1,500-1,448
Catahoula2,585-2,533
Lagarto2,750-2,698
Oakville2,900-2,848
Anahuac4,100-4,048
Greta4,300-4,248
Frio4,430-4,378
Frio4,785-4,733

11 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
141K
bbl, all reported
Nov 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000116973H-1 InjectionActive10,0002,9125,825–5,954

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

Last 12 months 0 · prior 12 0

0120242025

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/39133075, documented in the API reference.