WELL · 42-507-32641 · DISTRICT 1

Big Wells (San Miguel) Unit #0205

Plugged

Zavala County · Big Wells (San Miguel) field  · Vertical

Big Wells (San Miguel) Unit #0205 (API 42-507-32641) is a plugged well in Zavala County, plugged January 28, 2021, last operated by Trinity Operating (Usg) LLC.

The RRC has issued one drilling permit, issued August 21, 2003, permitted to 5,500 ft.

It was permitted by Texas American Resources Company and has since transferred to Trinity Operating (Usg) LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Escondido, Olmos, San Miguel.

Operator of record

Trinity Operating (Usg) LLC

Permitted by Texas American Resources Company; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Nov 4, 2025 · 392 permits on file · (888) 510-9581

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTrinity Operating (Usg) LLC
Production reportsTexas American Resources Companythrough Jun 2014
Latest permitTexas American Resources CompanyAug 21, 2003

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

5,500
total depth, ft
1
permits on file
Aug 21, 2003
last permit issued
Oct 7, 2003
completed
0
cumulative oil, bbl
178K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2003 THROUGH Jan 2021

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 7, 2003
Shut in
—
Plugged
Jan 28, 2021

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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Big Wells (San Miguel) Unit G-1-198230Big Wells (San Miguel)Trinity Operating (Usg), LLC10178KOct 2003 – Jan 2021

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Texas American Resources CompanyOct 2003 → Jun 2014

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
535602-99DrillTexas American Resources CompanyAug 21, 2003Aug 21, 2003Aug 29, 20035,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-198230————

Formation tops

As filed on W-2/G-1. Subsea from 636 ft elevation.Download CSV →

FormationMD ftSubsea
EscondidoESCONDIDO(-2717.6)3,364-2,728
OlmosOLMOS SAND (-3869.6)4,516-3,880
San MiguelSAN MIGUEL SAND(-4632.6)5,279-4,643

Perforations

Perforated and open-hole intervals.

FromToType
5,2805,310Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62560612.25280 S
5.55,4957.875350 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, 2006Dec 1, 2005—
00Jan 22, 2004Dec 18, 2003Yes
00Jan 2, 2004——

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/50732641, documented in the API reference.