WELL · 42-239-33469 · DISTRICT 2

Robinson Longhorn Unit #1

Plugged

Jackson County · Lavaca River (2100) field  · Vertical

Robinson Longhorn Unit #1 (API 42-239-33469) is a plugged well in Jackson County, plugged December 5, 2016, last operated by Zachry Exploration LLC.

The RRC has issued 2 drilling permits (amended once) between 2008 and 2015, permitted to 6,000 ft.

Completion filings report 3 formation tops, including Catahoula, Frio, Vicksburge.

Operator of record

Zachry Exploration LLC

San Antonio, TX · P-5 Y, filed Sep 4, 2025 · 25 permits on file · (877) 322-8876

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleZachry Exploration LLC
Production reportsZachry Exploration, LLCthrough Jun 2016
Latest permitZachry Exploration, LLCMar 16, 2015
6,000
total depth, ft
3
permits on file
Mar 16, 2015
last permit issued
Oct 28, 2015
completed
0
cumulative oil, bbl
819K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2009 THROUGH Dec 2016

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 28, 2015
Shut in
—
Plugged
Dec 5, 2016

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Robinson-Longhorn G-2-247324Lavaca River (Frio 4400)Zachry Exploration, LLC10783KFeb 2009 – Dec 2016
Robinson Longhorn Unit G-2-279314Lavaca River (2100)Zachry Exploration, LLC1036.8KApr 2015 – Dec 2016

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. 1Zachry Exploration, Inc.Feb 2009 → Nov 2009
  2. 2Zachry Exploration, LLCDec 2009 → Jun 2016

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
804011-99RecompletionZachry Exploration, LLCFeb 20, 2015Mar 16, 2015Mar 31, 20156,000
664779-98DrillZachry Exploration, Ltd.Nov 5, 2008Jul 8, 2008Nov 23, 20086,000
664779-99DrillZachry Exploration, Ltd.Jun 18, 2008Jul 8, 2008—6,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-247324————
—— G-2-279314————

Formation tops

As filed on W-2/G-1. Subsea from 75 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula2,925-2,850
Catahoula2,935-2,860
Frio3,535-3,460
Vicksburge4,935-4,860

Perforations

Perforated and open-hole intervals.

FromToType
2,3862,390Perforated
2,4232,426Perforated
4,3724,376Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62561012.25261 S
2.8755,0837.8751,320 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
00May 26, 2016Dec 7, 2015—
00Mar 8, 2016May 7, 2015—
00Jun 29, 2009Mar 11, 2009Yes
00May 28, 2009——

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/23933469, documented in the API reference.