WELL · 42-163-32705 · DISTRICT 1
Hilderbrand #1
Frio County · Pearsall (Austin Chalk) field · Horizontal
Hilderbrand #1 (API 42-163-32705) is a plugged horizontal well in Frio County, plugged May 15, 1992, last operated by Dale Operating Company.
The RRC has issued one drilling permit, issued April 20, 1990, permitted to 8,500 ft.
It was permitted by Central Texas Oil & Gas and has since transferred to Dale Operating Company on the wellbore schedule.
Completion filings report 3 formation tops, including Olmos, San Miguel, Austin Chalk.
Operator of record
Permitted by Central Texas Oil & Gas; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Nov 4, 2025 · 424 permits on file · (940) 642-6602
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dale Operating Company |
| Production reports | none |
| Latest permit | Central Texas Oil & GasApr 20, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- Apr 20, 1990
- last permit issued
- Jun 10, 1990
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2007
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 10, 1990
- Shut in
- —
- Plugged
- May 15, 1992
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hilderbrand O-1-12575 | Pearsall (Austin Chalk) | Dale Operating Company | 2 | 0 | 0 | Jan 1993 – Oct 2007 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 372426-99 | Drill | Central Texas Oil & Gas | Apr 20, 1990 | Apr 20, 1990 | Apr 27, 1990 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12575 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 536 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Olmos | 5,831 | -5,295 |
| San Miguel | 6,501 | -5,965 |
| Austin Chalk | 7,485 | -6,949 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,474 | 7,605 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 860 | 12.25 | 375 S |
| 5.5 | 7,340 | 7.875 | 335 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 | Jul 26, 1990 | Jun 20, 1990 | Yes |
| 00 | Jul 20, 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 42-163-32705 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-32705 → 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/16332705, documented in the API reference.