WELL · 42-163-32598 · DISTRICT 1
Hilderbrandt Ira Est #1
Frio County · Pearsall (Austin Chalk) field · Horizontal · Sidetrack
Hilderbrandt Ira Est #1 (API 42-163-32598) is a plugged horizontal well in Frio County, plugged June 8, 1994, last operated by Cantro Exploration Inc..
The RRC has issued 2 drilling permits between 1989 and 1992, permitted to 8,250 ft.
Completion filings report 6 formation tops, including Carrizo, Wilcox, Austin Chalk, Td Austin Chalk Md.
Its lease has reported 4.68K barrels of oil and 207 mcf of gas since January 1993, last reporting in September 1994.
Operator of record
San Antonio, TX · P-5 Y, filed Aug 11, 2000 · 31 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cantro Exploration Inc. |
| Production reports | Cantro Exploration, Inc.through Nov 1993 |
| Latest permit | Cantro Exploration, Inc.Mar 19, 1992 |
- 8,250
- total depth, ft
- 2
- permits on file
- Mar 19, 1992
- last permit issued
- Mar 13, 1992
- completed
- 4.68K
- cumulative oil, bbl
- 207
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 1994
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 13, 1992
- Shut in
- —
- Plugged
- Jun 8, 1994
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 |
|---|---|---|---|---|---|---|
| Hilderbrandt, Ira Est O-1-12389 | Pearsall (Austin Chalk) | Cantro Exploration, Inc. | 1 | 4.68K | 207 | Jan 1993 – Sep 1994 |
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.
- 1Cantro Exploration, Inc.Jan 1993 → Nov 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 397309-99 | Recompletion · sidetrack | Cantro Exploration, Inc. | Mar 9, 1992 | Mar 19, 1992 | Feb 12, 1992 | 8,250 |
| 367085-99 | Drill | Cantro Exploration, Inc. | Nov 30, 1989 | Nov 30, 1989 | Dec 6, 1989 | 8,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12389 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 452 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Carrizo | 1,900 | -1,448 |
| Wilcox | 2,900 | -2,448 |
| Austin ChalkAUSTIN CHALK TVD | 7,350 | -6,898 |
| Austin ChalkAUSTIN CHALK MD | 7,369 | -6,917 |
| TD Austin Chalk MD | 9,724 | -9,272 |
| TD Austin Chalk MD #1 | 9,724 | -9,272 |
| TD Ausitn Chalk MD #2 | 10,367 | -9,915 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,369 | 9,724 | Perforated |
| 7,369 | 10,367 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 850 | 14.75 | 530 S |
| 7.625 | 7,100 | 9.875 | 1,320 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 | Nov 4, 1992 | Sep 24, 1992 | — |
| 00 | Mar 7, 1990 | Feb 21, 1990 | Yes |
| 00 | Mar 1, 1990 | — | — |
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 42-163-32598 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-32598 → 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/16332598, documented in the API reference.