WELL · 42-255-01239 · DISTRICT 2
Pieprzyca #1
Karnes County · Person (Edwards) field · Vertical
Pieprzyca #1 (API 42-255-01239) is a well in Karnes County operated by First Rock Inc., completed April 2, 1988.
The RRC has issued 2 drilling permits between 1985 and 1998, permitted to 11,100 ft.
Completion filings report 2 formation tops, including Austin Chalk, Edwards.
Its 2 leases have reported 16.1K barrels of oil and 22.2K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Corpus Christ, TX · P-5 Y, filed Feb 4, 2026 · 68 permits on file · (361) 215-5559
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | First Rock Inc. |
| Production reports | First Light Operating, LLCthrough Mar 2026 |
| Latest permit | First Rock, Inc.Sep 4, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,100
- total depth, ft
- 2
- permits on file
- Sep 4, 1998
- last permit issued
- Apr 2, 1988
- completed
- 16.1K
- cumulative oil, bbl
- 22.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 2, 1988
- 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 |
|---|---|---|---|---|---|---|
| Pieprzyca O-2-8403 | Falls City (Austin Chalk) | First Light Operating, LLC | 1 | 11.6K | 14K | Oct 1998 – Jul 2026 |
| Pieprzyca O-2-3770 | Person (Edwards) | First Rock, Inc. | 1 | 4.54K | 8.17K | Jan 1993 – May 1999 |
Oil, barrels lease total
Last 12 months 155 · prior 12 247(-37%)
Gas, mcf lease total
Last 12 months 42 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1A & a Production Co.Jan 1993 → May 1994
- 2Dewbre Petroleum CorporationNov 1994 → Sep 1997
- 3First Rock, Inc.May 1998 → May 2025
- 4First Light Operating, LLCJul 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 477477-99 | Recompletion | First Rock, Inc. | Jun 26, 1998 | Sep 4, 1998 | Mar 24, 1998 | 11,100 |
| 289550-99 | Other | Bruns, H. D. | Nov 7, 1985 | Nov 7, 1985 | — | 11,061 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-3770 | — | — | — | — |
| — | — O-2-8403 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 323 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 10,280 | -9,957 |
| EdwardsEDWARDS LIME | 10,890 | -10,567 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,281 | 10,451 | Perforated |
| 10,940 | 10,951 | Perforated |
| — | 10,951 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,758 | 13.5 | — |
| 5.5 | 11,100 | 8.75 | 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 | Dec 3, 1998 | Oct 12, 1998 | Yes |
| 00 | Nov 2, 1998 | Apr 21, 1988 | — |
| 00 | May 24, 1988 | Apr 21, 1988 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-255-01239 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-01239 → 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/25501239, documented in the API reference.