WELL · 42-163-32658 · DISTRICT 1
Tschirhart, L. #1
Frio County · Horizontal
Tschirhart, L. #1 (API 42-163-32658) is a permitted horizontal well in Frio County filed by Chaparral Natural Resources,Inc.; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 1990 and 2011, permitted to 9,500 ft.
Completion filings report 4 formation tops, including Midway, Escondido, Anacacho, Austin Chalk.
Its lease has reported 172 barrels of oil and 9 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Chaparral Natural Resources,inc.
Austin, TX · P-5 Y, filed Jun 4, 2026 · 29 permits on file · (512) 789-9860
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Ginco Operating Co.through Oct 1995 |
| Latest permit | Chaparral Natural Resources,inc.Feb 14, 2011 |
- 9,500
- total depth, ft
- 3
- permits on file
- Feb 14, 2011
- last permit issued
- —
- completed
- 172
- cumulative oil, bbl
- 9
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
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 |
|---|---|---|---|---|---|---|
| Tschirhart, L. O-1-12461 | Pearsall (Austin Chalk) | Chaparral Natural Resources,inc. | 1 | 172 | 9 | Jan 1993 – Jul 2026 |
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.
- 1Geowell, Inc.Jan 1993 → Aug 1993
- 2Penrod Oil Company of Texas, IncAug 1994 → Sep 1994
- 3Mobile Production Systems, Inc.Oct 1994 → Oct 1994
- 4Pearsall Energy Group, Inc.Feb 1995 → Feb 1995
- 5Ginco Operating Co.Jun 1995 → Oct 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 709509-99 | Recompletion | Chaparral Natural Resources,inc. | Jan 31, 2011 | Feb 14, 2011 | — | 4,500 |
| 370378-98 | Drill | Fossil Bay Petroleum, Inc. | Apr 23, 1990 | Feb 28, 1990 | — | 9,500 |
| 370378-99 | Drill | Fossil Bay Petroleum, Inc. | Feb 28, 1990 | Feb 28, 1990 | Mar 5, 1990 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12461 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 580 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| MidwayMIDWAY SHALE | 3,400 | -2,820 |
| Escondido | 3,900 | -3,320 |
| AnacachoANACACHO LIME | 5,800 | -5,220 |
| Austin ChalkAUSTIN-CHALK | 6,000 | -5,420 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,020 | 6,355 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,007 | 12.25 | 685 S |
| 7 | 5,790 | 8.75 | 280 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 | May 9, 1990 | Apr 23, 1990 | Yes |
| 00 | May 2, 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 42-163-32658 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-32658 → 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/16332658, documented in the API reference.