WELL · 42-391-31770 · DISTRICT 2

Maude Williams et al 'A' #D126

N

Refugio County  · Vertical

Maude Williams ET AL 'A' #D126 (API 42-391-31770) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 4 drilling permits between 1984 and 2020, permitted to 6,110 ft.

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

Its 2 leases have reported 11.1M barrels of oil and 179M mcf of gas since January 1993, last reporting in July 2026. The leases carry 177 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 schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyMar 10, 2020
6,110
total depth, ft
4
permits on file
Mar 10, 2020
last permit issued
—
completed
11.1M
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

28.411255, -97.069177

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 2 leases this well is completed on; they carry 177 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Williams, Maude et al "A" G-2-289495Lake Pasture (C-406)Hilcorp Energy Company1012KJul 2018 – Jul 2026
Williams, Maude, Etal -A- O-2-2533Lake Pasture (H-440 Sand)Hilcorp Energy Company17611.1M179MJan 1993 – Jul 2026

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
862554-99RecompletionHilcorp Energy CompanyMar 5, 2020Mar 10, 2020May 3, 20166,110
815549-99RecompletionHilcorp Energy CompanyMay 10, 2016May 12, 2016—6,110
493277-99RecompletionQuintana Pet. Corp.Mar 21, 2000Mar 22, 2000—6,110
249373-99DrillQuintana Pet. Corp.Aug 22, 1984Aug 22, 1984Aug 31, 19846,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-289495————
—— O-2-2533————

Formation tops

As filed on W-2/G-1. Subsea from 56 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,444
Oakville2,750-2,694
CatahoulaCATAHOULA (MIOCENE)3,300-3,244
Catahoula3,676-3,620
AnahuacANAHUAC (MIOCENE)4,100-4,044
Frio4,361-4,305
FrioFRIO-GRETA (OLIGOCENE)4,365-4,309
FrioMIDDLE FRIO (SINTON)5,000-4,944
FrioLOWER FRIO (OLIGOCENE)5,880-5,824
JacksonJACKSON/YEGUA——

Perforations

Perforated and open-hole intervals.

FromToType
4,1474,157Perforated
4,5204,525Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,22713.5723 S
9.6251,52713.75723 S
5.56,1038.751,025 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
00Jul 20, 2020Apr 6, 2020—
00Nov 6, 1984Oct 18, 1984—
00Oct 27, 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"42-391-04014

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

Lagarto1,500-1,446
E-2642,660-2,606
Oakville2,750-2,696
Catahoula3,300-3,246
Catahoula3,690-3,636
Anahuac4,100-4,046
Frio4,365-4,311
Frio4,365-4,311

12 TOPS · FIRST 8

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

0.4 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-42-391-31685

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

Recent (Water Sands)154
Lagarto1,400-1,345
Oakville2,800-2,745
Catahoula3,500-3,445
Anaguac4,050-3,995
Greta4,300-4,245
Frio4,399-4,344
NO Change—

9 TOPS · FIRST 8

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

0.6 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
Anahuac4,365-3,813

14 TOPS · FIRST 8

Williams, Maude Etal -A-42-391-00330

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

Lagarto1,500-1,444
Oakville2,750-2,694
Catahoula3,300-3,244
Catahoula3,300-3,244
Anahuac4,100-4,044
Frio4,365-4,309
Frio5,000-4,944
Frio5,880-5,824

9 TOPS · FIRST 8

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

0.8 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-42-391-32039

0.8 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 Etal -A-42-391-04013

0.8 KM · Hilcorp Energy Company · 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
Frio5,400-5,347

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/39131770, documented in the API reference.