WELL · 42-355-31719 · DISTRICT 4

St. 58 #1

N

Nueces County  · Vertical

ST. 58 #1 (API 42-355-31719) is a permitted well in Nueces County filed by Tepco Engineering; no completion report is on file yet.

The RRC has issued 3 drilling permits between 1981 and 1983, permitted to 12,000 ft.

Completion filings report 3 formation tops, including Anahuac, Marginulina, Frio.

Operator of record

Tepco Engineering

Alice, TX · P-5 Y, filed Aug 4, 2025 · 79 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsnone
Latest permitTepco EngineeringMay 31, 1983
12,000
total depth, ft
3
permits on file
May 31, 1983
last permit issued
—
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

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.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
196665-99RecompletionTepco EngineeringMay 31, 1983May 31, 1983—9,785
107354-99DrillFisher-Webb, Inc.Feb 3, 1981Feb 3, 1981Mar 17, 198112,000
193211-99RecompletionResources Investment Corporation———10,256

Formation tops

As filed on W-2/G-1. Subsea from 21 ft elevation.Download CSV →

FormationMD ftSubsea
Anahuac7,250-7,229
Marginulina8,050-8,029
Frio8,650-8,629
FrioFRIO G-19,305-9,284
FrioFRIO I-39,940-9,919

Perforations

Perforated and open-hole intervals.

FromToType
8,0558,066Perforated
9,9449,957Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.6253,05017.52,585 sx
9.6256,64012.25580 sx
29,830——
2.3759,914——
79,9708.5300 sx

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 31, 1984May 23, 1983—
00Jan 12, 1984May 23, 1983—

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.

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/35531719, documented in the API reference.