WELL · 42-121-33409 · DISTRICT 9
Hammack John GU #3H
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 schedule | Devon Energy Production Co L.P. |
| Production reports | Devon Energy Production Co, L.P.through Feb 2013 |
| Latest permit | Devon 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hammack, John GU G-13-249147 | Newark, East (Barnett Shale) | Devon Energy Production Co, L.P. | 1 | 0 | 325K | Jul 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.
- 1Devon Energy Production Co, L.P.Dec 2008 → Feb 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 659594-99 | Drill | Devon Energy Production Co, L.P. | Apr 14, 2008 | Apr 21, 2008 | Jul 2, 2008 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 28, 2008 | Hammack John GU G-13-249147 | Newark 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 →
| Formation | MD ft | Subsea |
|---|---|---|
| Marble Falls | 7,027 | -6,460 |
| BarnettBARNETT LIME | 7,345 | -6,778 |
| BarnettUPPER BARNETT SHALE | 7,383 | -6,816 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,969 | 7,973 | Perforated |
| 8,374 | 8,378 | Perforated |
| 8,779 | 8,783 | Perforated |
| 9,184 | 9,188 | Perforated |
| 9,589 | 9,593 | Perforated |
| 9,994 | 9,998 | Perforated |
| 10,399 | 10,403 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,215 | 12.25 | 420 S |
| 5.5 | 10,450 | 8.75 | 1,060 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 1, 2009 | Apr 14, 2009 | — |
| 00 | Aug 13, 2009 | Mar 16, 2009 | Yes |
| 00 | Jul 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.
- Wellbore filings for 42-121-33409 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-121-33409 → scanned completion filings
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.