WELL · 42-255-31470 · DISTRICT 2
Janosek #1
Karnes County · Highlander (Carrizo) field · Vertical
Janosek #1 (API 42-255-31470) is a well in Karnes County operated by Bay Rock Operating Company, completed September 10, 2003.
The RRC has issued 2 drilling permits between 2003 and 2009, permitted to 7,250 ft.
Completion filings report 5 formation tops, including Frio, Vicksburg, Pettys, Yegua.
Its 2 leases have reported 21.9K barrels of oil and 400K mcf of gas since September 2003, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Dec 4, 2025 · 143 permits on file · (210) 213-8477
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bay Rock Operating Company |
| Production reports | Bay Rock Operating Companythrough Dec 2022 |
| Latest permit | Bay Rock Operating CompanyDec 31, 2009 |
- 7,250
- total depth, ft
- 2
- permits on file
- Dec 31, 2009
- last permit issued
- Sep 10, 2003
- completed
- 21.9K
- cumulative oil, bbl
- 400K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 10, 2003
- 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 2 leases 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 |
|---|---|---|---|---|---|---|
| Janosek O-2-9371 | Porter, West (Pettus) | Bay Rock Operating Company | 1 | 21.9K | 19K | Jan 2010 – Jul 2026 |
| Janosek G-2-198544 | Highlander (Carrizo) | Bay Rock Operating Company | 1 | 0 | 381K | Sep 2003 – Jan 2010 |
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.
- 1Bay Rock Operating CompanySep 2003 → Aug 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 689096-99 | Recompletion | Bay Rock Operating Company | Dec 28, 2009 | Dec 31, 2009 | Dec 28, 2009 | 5,500 |
| 533088-99 | Drill | Bay Rock Operating Company | Jun 13, 2003 | Jun 17, 2003 | Jun 26, 2003 | 7,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-198544 | — | — | — | — |
| — | — O-2-9371 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 220 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,046 | 4,048 | Perforated |
| 6,972 | 6,982 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 887 | 12.25 | 335 S |
| 5.5 | 7,062 | 7.875 | 270 S |
| 5.5 | — | 7.875 | 840 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 17, 2010 | Jan 26, 2010 | Yes |
| 00 | Mar 16, 2010 | — | — |
| 00 | Mar 16, 2004 | Sep 19, 2003 | Yes |
| 00 | Jan 22, 2004 | — | — |
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 42-255-31470 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31470 → 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/25531470, documented in the API reference.