WELL · 42-391-00212 · DISTRICT 2

Maude Williams et al 'A' #D 23

N

Refugio County  · Vertical

Maude Williams ET AL 'A' #D 23 (API 42-391-00212) is a disposal or injection well in Refugio County operated by Hilcorp Energy Company under an active UIC permit.

The RRC has issued 4 drilling permits between 1997 and 2016, permitted to 6,200 ft.

Completion filings report 8 formation tops, including Lwr. Frio, Surface Sand Clay, Lagarto, Oakville.

Its 5 leases have reported 11.5M barrels of oil and 179M mcf of gas since January 1993, last reporting in July 2026. The leases carry 192 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 1.12M barrels injected in the 12 months reported through October 2025.

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 CompanyJan 6, 2016
6,200
total depth, ft
4
permits on file
Jan 6, 2016
last permit issued
—
completed
11.5M
cumulative oil, bbl
179M
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

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 5 leases this well is completed on; they carry 192 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Williams, Maude, Etal -A- O-2-2527Lake Pasture (FS-523)Hilcorp Energy Company12379K658KJan 1993 – Jul 2026
Williams, Maude, Etal -A- O-2-2533Lake Pasture (H-440 Sand)Hilcorp Energy Company17611.1M179MJan 1993 – Jul 2026
Williams, Maude et al "A" O-2-8045Lake Pasture (FS-536)Hilcorp Energy Company28.91K41.6KFeb 1995 – Jul 2026
Williams, Maude et al -A- G-2-77013Lake Pasture (FT-566)Quintana Pet. Corp.10174KJan 1993 – May 2000
Williams, Maude et al 'A' G-2-166888Lake Pasture (FS-545)Quintana Pet. Corp.100Jan 1998 – May 2000

Oil, barrels lease total

Last 12 months 215,922 · prior 12 375,114(-42%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 145,364 · prior 12 201,489(-28%)

0100K200K202420252026

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
812984-99RecompletionHilcorp Energy CompanyJan 4, 2016Jan 6, 2016Jan 17, 20166,200
684638-99RecompletionHilcorp Energy CompanyAug 31, 2009Sep 17, 2009—6,200
493027-99RecompletionQuintana Pet. Corp.Mar 13, 2000Mar 16, 2000May 2, 20006,200
470201-99RecompletionQuintana Pet. Corp.Nov 17, 1997Nov 19, 1997Dec 19, 19976,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-77013————
—— G-2-166888————
—— O-2-2527————
—— O-2-2533————
—— O-2-8045————

Formation tops

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

FormationMD ftSubsea
Lwr. Frio620-563
Surface Sand Clay1,500-1,443
LagartoLARGARTO2,750-2,693
Oakville2,750-2,693
Oakville3,300-3,243
Catahoula3,709-3,652
Catahoula4,100-4,043
Anahuac4,365-4,308
Frio4,401-4,344
FrioFRIO-GRETA4,785-4,728
FrioMIDDLE FRIO5,400-5,343
FrioLOWER FRIO6,200-6,143
JacksonJACKSON/YEGUA——

Perforations

Perforated and open-hole intervals.

FromToType
3,7603,800Perforated
4,4624,472Perforated
5,4125,420Perforated
5,4895,494Perforated
5,5065,509Perforated
5,5145,517Perforated
5,7015,711Perforated
—5,269Perforated
—5,736Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,53313.75550 S
1.55,687——
5.55,8238.75935 S
5.55,8328.75935 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
00Jan 29, 2024Sep 15, 2023—
00Apr 21, 2016Feb 9, 2016—
00Aug 23, 2000Jun 13, 2000Yes
00Jul 26, 2000——
00Mar 31, 1998Jan 29, 1998Yes
00Mar 11, 1998——
00Jan 12, 1984May 3, 1978—
00Jan 12, 1984Aug 18, 1977—
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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

1.12M
bbl, last 12 reported months
3.4M
bbl, all reported
Oct 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000125578W-14 DisposalActive15,0001,5153,030–3,970

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

Last 12 months 1,121,339 · prior 12 2,283,404(-51%)

0100K200K300K20242025

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/39100212, documented in the API reference.