WELL · 42-481-34493 · DISTRICT 3

Hlavinka Gas Unit #1

Plugged

Wharton County · Hungerford North (5000) field  · Vertical

Hlavinka Gas Unit #1 (API 42-481-34493) is a plugged well in Wharton County, plugged April 4, 2018, last operated by Decker Operating CO. L.L.C..

The RRC has issued 4 drilling permits between 2002 and 2010, permitted to 6,500 ft.

Completion filings report 4 formation tops, including Het, Catahoula, Frio, Bass Frio.

Operator of record

Decker Operating Co. L.L.C.

Houston, TX · P-5 Y, filed Jan 4, 2026 · 137 permits on file · (361) 289-1641

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDecker Operating Co. L.L.C.
Production reportsDecker Operating Co., L.L.C.through Nov 2015
Latest permitDecker Operating Co., L.L.C.Oct 28, 2010
6,500
total depth, ft
4
permits on file
Oct 28, 2010
last permit issued
May 5, 2006
completed
0
cumulative oil, bbl
870K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2003 THROUGH Apr 2018

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 5, 2006
Shut in
—
Plugged
Apr 4, 2018

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 4 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Hlavinka Gas Unit G-3-262242Hungerford, N. (4225)Decker Operating Co., L.L.C.10180KAug 2010 – Apr 2018
Hlavinka Gas Unit G-3-258479Hungerford, N.(4300)Decker Operating Co., L.L.C.105.83KApr 2010 – Aug 2010
Hlavinka Gas Unit G-3-235617Hungerford, North (4750)Decker Operating Co., L.L.C.1097.3KNov 2007 – Apr 2010
Hlavinka Gas Unit G-3-193460Hungerford, North (5000)Decker Operating Co., L.L.C.10586KJan 2003 – Nov 2007

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. 1Decker Operating Co., L.L.C.Jan 2003 → Nov 2015

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
704357-99RecompletionDecker Operating Co., L.L.C.Oct 26, 2010Oct 28, 2010Aug 18, 20105,600
698717-99RecompletionDecker Operating Co., L.L.C.Jul 8, 2010Jul 13, 2010Apr 27, 20104,600
656839-99RecompletionDecker Operating Co., L.L.C.Mar 6, 2008Mar 31, 2008Oct 2, 20074,830
526150-99DrillDecker Operating Co., L.L.C.Dec 6, 2002Dec 6, 2002Dec 16, 20026,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-3-193460————
—— G-3-235617————
—— G-3-258479————
—— G-3-262242————

Formation tops

As filed on W-2/G-1. Subsea from 122 ft elevation.Download CSV →

FormationMD ftSubsea
Het3,060-2,938
Catahoula3,473-3,351
FrioTOP FRIO3,912-3,790
FrioBASE FRIO5,409-5,287
Bass Frio5,409-5,287

Perforations

Perforated and open-hole intervals.

FromToType
4,3324,334Perforated
4,4114,413Perforated
4,7154,719Perforated
4,9784,980Perforated
5,0665,070Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62558712.25235 S
4.55,5507.875910 S
4.55,550——

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 22, 2012Jan 31, 2011—
00Aug 11, 2011Jul 12, 2010Yes
00Jan 10, 2011——
00Jul 1, 2008Mar 4, 2008—
00Jun 3, 2008——
00Jan 12, 2007Jul 31, 2006—
00Apr 14, 2003Jan 31, 2003Yes
00Mar 27, 2003——

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/48134493, documented in the API reference.