WELL · 42-121-33409 · DISTRICT 9

Hammack John GU #3H

Plugged

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

Hammack John GU #3H (API 42-121-33409) is a plugged horizontal well in Denton County, plugged August 14, 2014, last operated by Devon Energy Production CO L.P..

The RRC has issued one drilling permit, issued April 21, 2008, permitted to 9,000 ft.

Completion filings report 2 formation tops, including Marble Falls, Barnett.

Operator of record

Devon Energy Production Co L.P.

Based in
Oklahoma City, OK
P-5 status
Active (A)
P-5 last filed
Dec 18, 2025
Permits on file
9,266
Phone
(405) 235-3611

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDevon Energy Production Co L.P.
Production reportsDevon Energy Production Co, L.P.through Feb 2013
Latest permitDevon Energy Production Co, L.P.Apr 21, 2008
9,000
total depth, ft
1
permits on file
Apr 21, 2008
last permit issued
Dec 28, 2008
completed
0
cumulative oil, bbl
325K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2008 THROUGH Aug 2014

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 28, 2008
Shut in
—
Plugged
Aug 14, 2014

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
Hammack, John GU G-13-249147Newark, East (Barnett Shale)Devon Energy Production Co, L.P.10325KJul 2008 – Aug 2014

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. 1Devon Energy Production Co, L.P.Dec 2008 → Feb 2013

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
659594-99DrillDevon Energy Production Co, L.P.Apr 14, 2008Apr 21, 2008Jul 2, 20089,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 28, 2008Hammack John GU G-13-249147Newark East (Barnett Shale)Devon Energy Production Co L.P.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 567 ft elevation.Download CSV →

FormationMD ftSubsea
Marble Falls7,027-6,460
BarnettBARNETT LIME7,345-6,778
BarnettUPPER BARNETT SHALE7,383-6,816

Perforations

Perforated and open-hole intervals.

FromToType
7,9697,973Perforated
8,3748,378Perforated
8,7798,783Perforated
9,1849,188Perforated
9,5899,593Perforated
9,9949,998Perforated
10,39910,403Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,21512.25420 S
5.510,4508.751,060 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
00Oct 1, 2009Apr 14, 2009—
00Aug 13, 2009Mar 16, 2009Yes
00Jul 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/12133409, documented in the API reference.