WELL · 42-493-31356 · DISTRICT 1
Hierholzer, Otto #1
Wilson County · Vertical
Hierholzer, Otto #1 (API 42-493-31356) is a permitted well in Wilson County filed by International Western Oil Corp.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1982 and 1983, permitted to 6,500 ft.
Operator of record
International Western Oil Corp.
Irving, TX · P-5 Y, filed Dec 2, 2005 · 93 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | International Western Oil Corp.Aug 5, 1983 |
- 6,500
- total depth, ft
- 2
- permits on file
- Aug 5, 1983
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2003
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 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 |
|---|---|---|---|---|---|---|
| Hierholzer, Otto O-1-9031 | Hasse (Buda) | European-Southwest Co. | 1 | 0 | 0 | Jan 1993 – Aug 2003 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 204306-99 | Drill | International Western Oil Corp. | Aug 5, 1983 | Aug 5, 1983 | — | 6,500 |
| 160645-99 | Drill | International Western Oil Corp. | May 14, 1982 | May 14, 1982 | — | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-9031 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,055 | 6,080 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 582 | 12.25 | 240 S |
| 5.5 | 5,772 | 7.875 | 1,736 S |
| 2.375 | 5,772 | — | — |
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 12, 1984 | Aug 3, 1983 | — |
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 42-493-31356 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-493-31356 → 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/49331356, documented in the API reference.