WELL · 42-305-30476 · DISTRICT 8
Herzog #1ST
Lynn County · Wilson West (Ellenburger) field · Directional
Herzog #1ST (API 42-305-30476) is a well in Lynn County operated by Shenandoah Petroleum Corporation, completed October 29, 2008.
The RRC has issued 2 drilling permits between 2008 and 2012, permitted to 9,950 ft.
Completion filings report 6 formation tops, including San Andres, Glorieta, Spraberry, Strawn.
Its 2 leases have reported 40.8K barrels of oil since October 2008, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Shenandoah Petroleum Corporation
Midland, TX · P-5 Y, filed Aug 4, 2025 · 236 permits on file · (432) 685-1964
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Shenandoah Petroleum Corporation |
| Production reports | GTG Operating, LLCthrough Jul 2020 |
| Latest permit | Shenandoah Petroleum CorporationOct 24, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,950
- total depth, ft
- 2
- permits on file
- Oct 24, 2012
- last permit issued
- Oct 29, 2008
- completed
- 40.8K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 29, 2008
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Herzog O-11-70086 | Wilson, West (Strawn) | Goodie Interests | 1 | 26.4K | 0 | Dec 2012 – Jul 2026 |
| Herzog O-11-69297 | Wilson, West (Ellenburger) | Shenandoah Petroleum Corporation | 1 | 14.5K | 0 | Oct 2008 – Feb 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.
- 1Shenandoah Petroleum CorporationNov 2008 → Aug 2015
- 2Shenandoah Resources LLCSep 2015 → Sep 2018
- 3GTG Operating, LLCJun 2020 → Jul 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 747417-99 | Recompletion | Shenandoah Petroleum Corporation | Aug 30, 2012 | Oct 24, 2012 | Dec 3, 2012 | 9,950 |
| 667204-99 | Drill | Shenandoah Petroleum Corporation | Jul 21, 2008 | Aug 7, 2008 | Sep 22, 2008 | 9,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-69297 | — | — | — | — |
| — | — O-11-70086 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,135 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 3,485 | -350 |
| Glorieta | 4,806 | -1,671 |
| SpraberryLOWER SPRABERRY | 6,681 | -3,546 |
| SpraberryLOWER SPRAYBERRY | 6,681 | -3,546 |
| Strawn | 9,018 | -5,883 |
| Mississippian | 9,390 | -6,255 |
| Ellenburger | 9,804 | -6,669 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,045 | 9,103 | Perforated |
| 9,816 | 9,832 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 370 | 17.5 | 325 S |
| 8.625 | 3,635 | 11 | 400 S |
| 5.5 | 9,489 | 7.875 | 515 S |
| 5.5 | 9,915 | 7.875 | 500 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 | Jan 31, 2014 | Feb 1, 2013 | Yes |
| 00 | Dec 10, 2008 | Nov 18, 2008 | Yes |
| 00 | Nov 25, 2008 | — | Yes |
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 42-305-30476 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-305-30476 → 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/30530476, documented in the API reference.