WELL · 42-239-33485 · DISTRICT 2

WHD Unit #1

Plugged

Jackson County · Lavaca River (4000 Frio) field  · Vertical

Whd Unit #1 (API 42-239-33485) is a plugged well in Jackson County, plugged July 23, 2015, last operated by Zachry Exploration LLC.

The RRC has issued one drilling permit, issued September 30, 2008, permitted to 5,200 ft.

It was permitted by Zachry Exploration, Ltd. and has since transferred to Zachry Exploration LLC on the wellbore schedule.

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

Operator of record

Zachry Exploration LLC

Permitted by Zachry Exploration, Ltd.; the EWA schedule now lists a different operator.

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

SOURCE · RRC EWA WELLBORE SCHEDULE

5,200
total depth, ft
1
permits on file
Sep 30, 2008
last permit issued
Feb 10, 2009
completed
0
cumulative oil, bbl
85.5K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2009 THROUGH Jul 2015

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 10, 2009
Shut in
—
Plugged
Jul 23, 2015

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
WHD Unit G-2-247325Lavaca River (4000 Frio)Zachry Exploration, LLC1085.5KFeb 2009 – Jul 2015

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 → Jan 2015

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
671161-99DrillZachry Exploration, Ltd.Sep 15, 2008Sep 30, 2008Dec 23, 20085,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-247325————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Catahoula2,970
Frio3,605
Vicksburg5,050

Perforations

Perforated and open-hole intervals.

FromToType
4,7504,752Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62560012.25240 S
2.8755,0827.8751,195 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
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/23933485, documented in the API reference.