Petrora

WELL · 42-391-00271 · DISTRICT 2

Williams, Maude Etal -A- #D 4

N

Refugio County  · Vertical

Williams, Maude Etal -A- #D 4 (API 42-391-00271) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 7 drilling permits between 1989 and 2024, permitted to 5,766 ft.

Completion filings report 7 formation tops, including Lagarto, Surface Sand Clay, Oakville, Catahoula.

Its 8 leases have reported 11.5M barrels of oil and 182M mcf of gas since January 1993, last reporting in July 2026. The leases carry 196 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 CompanyJan 31, 2024
5,766
total depth, ft
7
permits on file
Jan 31, 2024
last permit issued
—
completed
11.5M
cumulative oil, bbl
182M
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

28.416516, -97.060724

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 8 leases this well is completed on; they carry 196 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Williams, Maude, Etal -A- G-2-293391Lake Pasture (H-440 Sand)Hilcorp Energy Company102.47MSep 2022 – Jul 2026
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 Etal -A- O-2-9110Lake Pasture (H-434)Hilcorp Energy Company30441Mar 2007 – Jul 2026
Williams, Maude et al 'A' G-2-269184Lake Pasture (H-484)Hilcorp Energy Company10387KOct 2012 – Jan 2019
Maude Williams et al "A" G-2-235856Lake Pasture (H-495)Hilcorp Energy Company1042.7KApr 2008 – Oct 2012
Williams, Maude et al "A" G-2-208164Lake Pasture (FS-503)Hilcorp Energy Company10218KFeb 2005 – Apr 2008
Lake Pasture (FS-550)SD.FLD.UNIT G-2-77372Lake Pasture (FS-550)Quintana Pet. Corp.100Jan 1993 – Apr 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%)

0100K200K300K202420252026

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
896855-99RecompletionHilcorp Energy CompanyJan 26, 2024Jan 31, 2024Dec 21, 20235,766
849941-99RecompletionHilcorp Energy CompanyFeb 12, 2019Feb 20, 2019Jan 3, 20195,766
749702-99RecompletionHilcorp Energy CompanyOct 10, 2012Oct 24, 2012Oct 18, 20125,766
659768-99RecompletionHilcorp Energy CompanyApr 16, 2008Apr 29, 2008Apr 8, 20085,766
558496-99RecompletionHilcorp Energy CompanyMar 3, 2005Mar 9, 2005—5,766
476161-99RecompletionQuintana Pet. Corp.May 11, 1998May 13, 1998—5,766
353906-99RecompletionQuintana Pet. Corp.Dec 5, 1988Jan 4, 1989—5,766

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-77372————
—— G-2-208164————
—— G-2-235856————
—— G-2-269184————
—— G-2-293391————
—— O-2-2527————
—— O-2-2527————
—— O-2-2533————
—— O-2-9110————

Formation tops

As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,445
Surface Sand Clay1,500-1,445
Lagarto2,750-2,695
LagartoLARGARTO2,750-2,695
Oakville2,750-2,695
Catahoula3,300-3,245
CatahoulaCATAHOULA (MIOCENE)3,300-3,245
Oakville3,300-3,245
Catahoula3,540-3,485
Catahoula3,673-3,618
AnahuacANAHUAC (MIOCENE)4,100-4,045
Catahoula4,100-4,045
Anahuac4,150-4,095
Frio4,348-4,293
Frio4,362-4,307
Anahuac4,365-4,310
FrioFRIO-GRETA (OLIGOCENE)4,365-4,310
FrioFRIO-GRETA4,785-4,730
FrioMIDDLE FRIO (SINTON)5,000-4,945
FrioMIDDLE FRIO5,400-5,345
FrioLOWER FRIO5,766-5,711
FrioLOWER FRIO (OLIGOCENE)5,766-5,711
JacksonJACKSON/YEGUA——

Perforations

Perforated and open-hole intervals.

FromToType
4,3624,376Perforated
4,4004,414Perforated
4,4204,432Perforated
4,4384,448Perforated
4,4764,486Perforated
4,4864,492Perforated
4,5164,524Perforated
4,9314,933Perforated
4,9804,990Perforated
5,0405,044Perforated
5,2525,259Perforated
5,2615,268Perforated
5,550—Perforated
5,5565,560Perforated
—5,702Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,55113.75625 S
1.55,528——
5.55,7648.75850 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
00Oct 30, 2024Aug 19, 2024—
00Jan 17, 2024Oct 17, 2023—
00Nov 9, 2022Sep 22, 2022—
00Feb 14, 2020Oct 31, 2019—
00May 14, 2019Apr 25, 2019—
00Aug 8, 2013Nov 14, 2012—
00Jun 20, 2008May 9, 2008—
00Jun 10, 2008——
00Jul 18, 2005Mar 15, 2005Yes
00May 11, 2005——
00Aug 21, 2000May 15, 2000—
00Jul 26, 2000Jul 13, 1989Yes
00Aug 17, 1989Jul 13, 1989Yes
00Aug 12, 1989——
00May 25, 1984——
00Jan 12, 1984Jun 21, 1978—
00Jan 12, 1984Aug 6, 1976—
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 →

Williams, Maude Etal -A-42-391-32039

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

Lagarto1,500-1,445
Oakville2,750-2,695
Catahoula3,300-3,245
Catahoula3,300-3,245
Anahuac4,100-4,045
Anahuac4,100-4,045
Frio4,362-4,307
Frio4,365-4,310

9 TOPS · FIRST 8

Williams, Maude et al "A"42-391-00207

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

Lagarto1,500-1,444
Oakville2,750-2,694
Catahoula3,300-3,244
Anahuac4,100-4,044
Frio4,365-4,309
Frio5,000-4,944
Frio5,760-5,704

Williams, Maude et al 'A'42-391-03783

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

Lagarto1,500-948
Oakville2,750-2,198
Catahoula3,300-2,748
Catahoula3,656-3,104
Anahuac4,100-3,548
Anahuac4,100-3,548
Frio4,345-3,793
Frio4,365-3,813

14 TOPS · FIRST 8

Williams, Maude Etal -A-42-391-30423

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

Lagarto1,500-1,446
Oakville2,750-2,696
Catahoula3,300-3,246
Catahoula3,593-3,539
Anahuac4,100-4,046
Frio4,365-4,311
Frio4,375-4,321
Frio5,000-4,946

11 TOPS · FIRST 8

Williams, Maude Etal -A-42-391-31241

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

Recent (Water Sands)153
Lagarta1,400-1,346
Lagarto1,400-1,346
Oakville2,800-2,746
Catahoula3,500-3,446
Anaguac4,050-3,996
Greta4,300-4,246
Frio4,350-4,296

Williams, Maude Etal -A-42-391-30336

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

Miocene (undifferentiated)2,252-2,200
Catahoula3,609-3,557
Greta4,362-4,310

Williams, Maude Etal -A-42-391-32037

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

Lagarto1,500-1,448
Lagarto1,500-1,448
Oakville2,750-2,698
Catahoula3,300-3,248
Catahoula3,662-3,610
Anahuac4,100-4,048
Frio4,353-4,301
Frio4,365-4,313

11 TOPS · FIRST 8

Williams, Maude Etal -A-42-391-32555

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

Lagarto1,500-1,450
Oakville2,750-2,700
Catahoula3,110-3,060
Anahuac4,050-4,000
Frio4,100-4,050
Frio5,000-4,950
NO Change—

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/39100271, documented in the API reference.