WELL · 42-251-31267 · DISTRICT 9

Heffner #3H

Plugged

Johnson County · Newark East (Barnett Shale) field  · Horizontal

Heffner #3H (API 42-251-31267) is a plugged horizontal well in Johnson County, plugged March 21, 2019, last operated by Enervest Operating L.L.C..

The RRC has issued one drilling permit, issued October 23, 2006, permitted to 7,700 ft.

It was permitted by Eog Resources, Inc. and has since transferred to Enervest Operating L.L.C. on the wellbore schedule.

Completion filings report 6 formation tops, including Strawn, Atoka, Bend, Hood.

Operator of record

Enervest Operating L.L.C.

Permitted by EOG Resources, Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Active, filed Jan 13, 2026 · 1,249 permits on file · (713) 659-3500

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEnervest Operating L.L.C.
Production reportsEnervest Operating, L.L.C.through Nov 2018
Latest permitEOG Resources, Inc.Oct 23, 2006

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

7,700
total depth, ft
1
permits on file
Oct 23, 2006
last permit issued
Apr 22, 2007
completed
0
cumulative oil, bbl
483K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2007 THROUGH Mar 2019

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 22, 2007
Shut in
—
Plugged
Mar 21, 2019

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
Heffner G-13-232366Newark, East (Barnett Shale)Enervest Operating, L.L.C.10483KApr 2007 – Mar 2019

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. 1EOG Resources, Inc.Apr 2007 → Jul 2016
  2. 2Enervest Operating, L.L.C.Jun 2018 → Nov 2018

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
627444-99DrillEOG Resources, Inc.Oct 12, 2006Oct 23, 2006Jan 3, 20077,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-13-232366————

Formation tops

As filed on W-2/G-1. Subsea from 824 ft elevation.Download CSV →

FormationMD ftSubsea
Strawn1,435-611
Atoka4,296-3,472
BendBEND CONGL5,564-4,740
Hood6,710-5,886
Marble Falls6,792-5,968
BarnettBARNETT SHALE7,489-6,665

Perforations

Perforated and open-hole intervals.

FromToType
7,84012,210Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,45312.25415 S
5.512,3358.751,160 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
00Jan 28, 2008Jul 13, 2007Yes
00Jan 23, 2008——

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/25131267, documented in the API reference.