TEXAS · WELLS · HIDALGO COUNTY · API 42-215-00792 · DISTRICT 04
Fred W. Volz Sr. Unit #1
Hidalgo County · Tabasco (Consolidated) field · Vertical
Fred W. Volz SR. Unit #1 (API 42-215-00792) is a plugged well in Hidalgo County, plugged October 24, 2025, last operated by Hilcorp Energy Company.
The RRC has issued 2 drilling permits (amended once) between 1998 and 1999, permitted to 8,700 ft.
It was permitted by Fina Oil & Chemical Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Operator of record
Permitted by Fina Oil & Chemical Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Fidelity Explor. & Prod. Co.through Apr 2013 |
| Latest permit | Fina Oil & Chemical CompanySep 13, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,700
- total depth, ft
- 3
- permits on file
- Sep 13, 1999
- last permit issued
- Sep 21, 1999
- completed
- 0
- cumulative oil, bbl
- 875K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 21, 1999
- Shut in
- —
- Plugged
- Oct 24, 2025
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Fred W. Volz Sr. Unit G-4-175815 | Tabasco (R) | Hilcorp Energy Company | 1 | 0 | 354K | Sep 1999 – Oct 2025 |
| Volz, Fred W. Sr. Unit G-4-171032 | Tabasco (T) | Fina Oil & Chemical Company | 1 | 0 | 266K | Sep 1998 – May 2000 |
| Volz, Fred W., Sr., Unit G-4-14553 | Tabasco (8500) | Fina Oil & Chemical Company | 1 | 0 | 255K | Jan 1993 – Sep 1998 |
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.
- 1Fina Oil & Chemical CompanyJan 1993 → Dec 2000
- 2Totalfinaelf E&P USA IncJan 2001 → Aug 2002
- 3Smith Production Inc.Dec 2002 → Apr 2005
- 4Fidelity Explor. & Prod. Co.May 2005 → Apr 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 487341-98 | Recompletion | Fina Oil & Chemical Company | Nov 17, 1999 | Sep 13, 1999 | Sep 5, 1999 | 7,826 |
| 487341-99 | Recompletion | Fina Oil & Chemical Company | Sep 7, 1999 | Sep 13, 1999 | — | 7,826 |
| 477662-99 | Recompletion | Fina Oil & Chemical Company | Jul 2, 1998 | Jul 2, 1998 | Jul 17, 1998 | 8,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 21, 1999 | Fred W. Volz Sr. Unit G-4-175815 | Tabasco (Consolidated) | Hilcorp Energy Company | Plugged | — |
| Sep 21, 1998 | Volz Fred W. Sr. Unit G-4-171032 | Tabasco (T) | Fina Oil & Chemical Company | Plugged | — |
| Oct 5, 1956 | Volz Fred W. Sr. Unit G-4-14553 | Tabasco (8500) | Fina Oil & Chemical Company | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,190 | 7,198 | Perforated |
| 7,210 | 7,218 | Perforated |
| 7,836 | 7,896 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,115 | 15 | — |
| 10.75 | 1,116 | — | — |
| 7 | 7,389 | 9.875 | 575 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 14, 2000 | Feb 10, 2000 | Yes |
| 00 | Mar 2, 2000 | — | — |
| 00 | Dec 29, 1998 | Nov 6, 1998 | Yes |
| 00 | Dec 11, 1998 | — | — |
| 00 | Jan 12, 1984 | Oct 24, 1956 | — |
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 42-215-00792 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-215-00792 → 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/21500792, documented in the API reference.