WELL · 42-003-37229 · DISTRICT 8
Herzog #1
Andrews County · Spraberry (Trend Area) field · Vertical
Herzog #1 (API 42-003-37229) is a well in Andrews County operated by Pioneer Natural Res. USA Inc., completed May 11, 1993.
The RRC has issued one drilling permit, issued March 26, 1993, permitted to 4,900 ft.
It was permitted by Western Reserves Oil Company Inc and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report one formation top, including San Andres.
Its 2 leases have reported 115K barrels of oil and 26.3K 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
Permitted by Western Reserves Oil Company Inc; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Vin Fisher Operating, Inc.through Apr 2026 |
| Latest permit | Western Reserves Oil Company IncMar 26, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,900
- total depth, ft
- 1
- permits on file
- Mar 26, 1993
- last permit issued
- May 11, 1993
- completed
- 115K
- cumulative oil, bbl
- 26.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 11, 1993
- 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 |
|---|---|---|---|---|---|---|
| Texaco "12" O-10-33833 | Shafter Lake (San Andres) | Vin Fisher Operating, Inc. | 2 | 115K | 26.3K | May 1993 – Jul 2026 |
| — O-10-53265 | — | — | 0 | 0 | 0 | — |
Oil, barrels lease total
Last 12 months 1,036 · prior 12 1,208(-14%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Western Reserves Oil Company IncMay 1993 → Dec 2014
- 2Ring Energy, Inc.Jan 2015 → Sep 2024
- 3Vin Fisher Operating, Inc.Oct 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 410168-99 | Drill | Western Reserves Oil Company Inc | Mar 25, 1993 | Mar 26, 1993 | Apr 23, 1993 | 4,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-33833 | — | — | — | — |
| — | — O-10-53265 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,188 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 4,487 | -1,299 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,478 | 4,678 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 323 | 12.25 | 275 S |
| 5.5 | 4,875 | 7.875 | 850 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 | Apr 7, 2020 | May 21, 1993 | Yes |
| 00 | Jul 12, 1993 | May 21, 1993 | Yes |
| 00 | Jun 11, 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 42-003-37229 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-37229 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/00337229, documented in the API reference.