WELL · 42-481-34997 · DISTRICT 3

Hlavinka/Stllp Unit #1R

Plugged

Wharton County · Etta (6950) field  · Vertical

Hlavinka/Stllp Unit #1R (API 42-481-34997) is a plugged well in Wharton County, plugged February 27, 2015, last operated by Sanchez Oil & Gas Corporation.

The RRC has issued one drilling permit (amended once), issued May 16, 2008, permitted to 10,000 ft.

Completion filings report 3 formation tops, including Miocene (undifferentiated), Frio, Redeye.

Operator of record

Sanchez Oil & Gas Corporation

Houston, TX · P-5 X, filed Mar 11, 2026 · 541 permits on file · (713) 783-8000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSanchez Oil & Gas Corporation
Production reportsSanchez Oil & Gas Corporationthrough Sep 2013
Latest permitSanchez Oil & Gas CorporationMay 16, 2008
10,000
total depth, ft
2
permits on file
May 16, 2008
last permit issued
Sep 7, 2013
completed
0
cumulative oil, bbl
10.2M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2008 THROUGH Jul 2015

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 7, 2013
Shut in
—
Plugged
Feb 27, 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
Hlavinka/Stllp Unit G-3-245541Etta (6950)Sanchez Oil & Gas Corporation1010.2MJul 2008 – 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. 1Sanchez Oil & Gas CorporationJul 2008 → Sep 2013

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
662165-98DrillSanchez Oil & Gas CorporationSep 5, 2008May 16, 2008May 21, 200810,000
662165-99DrillSanchez Oil & Gas CorporationMay 15, 2008May 16, 2008May 21, 200810,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-3-245541————

Formation tops

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

FormationMD ftSubsea
Miocene (undifferentiated)MIOCENE5,300-5,225
Frio5,900-5,825
Redeye8,150-8,075
Frio——
Miocene (undifferentiated)MIOCENE——
Redeye——

Perforations

Perforated and open-hole intervals.

FromToType
7,9958,110Perforated
8,3258,330Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,54512.251,610 S
5.58,3887.875475 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 3, 2014Nov 11, 2013—
00Mar 18, 2009Sep 3, 2008Yes
00Mar 11, 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/48134997, documented in the API reference.