WELL · 42-173-32306 · DISTRICT 8
Herzog #1
Glasscock County · Vertical
Herzog #1 (API 42-173-32306) is a permitted well in Glasscock County filed by Pioneer Natural Res. USA, Inc.; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 1993 and 2020, permitted to 10,500 ft.
Completion filings report 5 formation tops, including Anhydrite, Yates, San Andres, Spraberry.
Its 2 leases have reported 63.9K barrels of oil and 63K mcf of gas since May 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Pioneer Natural Res. USA, Inc.
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Pioneer Natural Res. USA, Inc.through Jul 2022 |
| Latest permit | Pioneer Natural Res. USA, Inc.Jan 15, 2020 |
- 10,500
- total depth, ft
- 3
- permits on file
- Jan 15, 2020
- last permit issued
- —
- completed
- 63.9K
- cumulative oil, bbl
- 63K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
32.013757, -101.742718
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Glasscock County.
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-10-53780 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 1.65K | 2.5K | Jan 2020 – Jul 2026 |
| Herzog O-10-33883 | Gordon Street, S. (Wolfcamp, LO) | Pioneer Natural Res. USA, Inc. | 1 | 62.3K | 60.5K | May 1993 – Jun 2020 |
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.
- 1Thompson, J. CleoMay 1993 → Jul 2015
- 2RSP Permian, LLCAug 2015 → May 2018
- 3Pioneer Natural Res. USA, Inc.Jun 2018 → Jul 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 860468-99 | Field transfer | Pioneer Natural Res. USA, Inc. | Dec 31, 2019 | Jan 15, 2020 | Aug 25, 2008 | 10,325 |
| 409665-98 | Drill | Thompson, J. Cleo | May 27, 1993 | Mar 10, 1993 | — | 10,325 |
| 409665-99 | Drill | Thompson, J. Cleo | Mar 9, 1993 | Mar 10, 1993 | Mar 16, 1993 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-33883 | — | — | — | — |
| — | — O-10-53780 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,607 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anhydrite | 1,425 | 1,182 |
| Yates | 2,170 | 437 |
| San Andres | 3,683 | -1,076 |
| SpraberryUPPER SPRABERRY | 6,874 | -4,267 |
| SpraberryLOWER SPRABERRY | 7,416 | -4,809 |
| Dean | 8,216 | -5,609 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,912 | 9,443 | Perforated |
| 9,443 | 8,912 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 318 | 17.5 | 365 S |
| 9.625 | 4,495 | 12.25 | 1,075 S |
| 7 | 8,539 | 8.75 | 200 S |
| 4.5 | 10,325 | 7 | 350 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 | Jun 19, 2020 | Mar 26, 2009 | — |
| 00 | Jul 10, 2009 | Mar 26, 2009 | — |
| 00 | Aug 13, 1993 | May 20, 1993 | Yes |
| 00 | Jul 21, 1993 | — | — |
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 42-173-32306 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-32306 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Fowler-Smith 12-742-173-37903
1.6 KM · DE3 Operating LLC · Section with this well →
| Santa Rosa | 1,000 | 1,610 |
| Seven Rivers | 1,300 | 1,310 |
| Queen | 1,500 | 1,110 |
| Yates | 2,166 | 444 |
| Grayburg | 3,498 | -888 |
| San Andres | 3,656 | -1,046 |
| Glorieta | 4,711 | -2,101 |
| Clear Fork | 5,672 | -3,062 |
10 TOPS · FIRST 8
Fowler-Smith 12-742-173-37904
1.6 KM · DE3 Operating LLC · Section with this well →
| Santa Rosa | 1,000 | 1,610 |
| Seven Rivers | 1,300 | 1,310 |
| Queen | 1,500 | 1,110 |
| Yates | 2,166 | 444 |
| Grayburg | 3,495 | -885 |
| San Andres | 3,656 | -1,046 |
| Glorieta | 4,720 | -2,110 |
| Clear Fork | 5,670 | -3,060 |
10 TOPS · FIRST 8
Fowler-Smith 12-7 B42-173-37905
1.7 KM · DE3 Operating LLC · Section with this well →
| Santa Rosa | 1,000 | 1,610 |
| Seven Rivers | 1,300 | 1,310 |
| Queen | 1,500 | 1,110 |
| Yates | 2,165 | 445 |
| Grayburg | 3,494 | -884 |
| San Andres | 3,655 | -1,045 |
| Glorieta | 4,705 | -2,095 |
| Clear Fork | 5,669 | -3,059 |
10 TOPS · FIRST 8
Fowler-Smith 12-742-173-38274
2.0 KM · DE3 Operating LLC · Section with this well →
| Santa Rosa | 1,421 | 1,195 |
| Yates | 2,166 | 450 |
| Seven Rivers | 2,371 | 245 |
| Queen | 2,956 | -340 |
| Grayburg | 3,506 | -890 |
| San Andres | 3,669 | -1,053 |
| Glorieta | 4,711 | -2,095 |
| Clear Fork | 5,702 | -3,086 |
10 TOPS · FIRST 8
Fowler-Smith 12-742-173-38275
2.0 KM · DE3 Operating LLC · Section with this well →
| Santa Rosa | 1,000 | 1,616 |
| Yates | 2,164 | 452 |
| Seven Rivers | 2,373 | 243 |
| Queen | 2,956 | -340 |
| Grayburg | 3,506 | -890 |
| San Andres | 3,669 | -1,053 |
| Glorieta | 4,707 | -2,091 |
| Clear Fork | 5,697 | -3,081 |
11 TOPS · FIRST 8
Fowler-Smith 12-742-173-38276
2.0 KM · DE3 Operating LLC · Section with this well →
| Santa Rosa | 1,432 | 1,184 |
| Yates | 2,165 | 451 |
| Seven Rivers | 2,370 | 246 |
| Queen | 2,955 | -339 |
| Grayburg | 3,506 | -890 |
| San Andres | 3,669 | -1,053 |
| Glorieta | 4,703 | -2,087 |
| Clear Fork | 5,700 | -3,084 |
10 TOPS · FIRST 8
Fowler-Smith 12-742-173-38277
2.0 KM · DE3 Operating LLC · Section with this well →
| Santa Rosa | 1,000 | 1,616 |
| Yates | 2,164 | 452 |
| Seven Rivers | 2,369 | 247 |
| Queen | 2,958 | -342 |
| Grayburg | 3,508 | -892 |
| San Andres | 3,670 | -1,054 |
| Glorieta | 4,708 | -2,092 |
| Clear Fork | 5,694 | -3,078 |
10 TOPS · FIRST 8
Fowler-Smith 12-742-173-38279
2.1 KM · DE3 Operating LLC · Section with this well →
| Santa Rosa | 1,412 | 1,204 |
| Yates | 2,139 | 477 |
| Seven Rivers | 2,342 | 274 |
| Queen | 2,930 | -314 |
| Grayburg | 3,483 | -867 |
| San Andres | 3,646 | -1,030 |
| Glorieta | 4,679 | -2,063 |
| Clear Fork | 5,666 | -3,050 |
10 TOPS · FIRST 8
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/17332306, documented in the API reference.