WELL · 42-493-30760 · DISTRICT 1
Jarzombek Unit #1H
Wilson County · Poth East (Austin Chalk) field · Horizontal
Jarzombek Unit #1H (API 42-493-30760) is a plugged horizontal well in Wilson County, plugged April 22, 2022, last operated by First Rock Inc..
The RRC has issued 2 drilling permits between 1980 and 2015, permitted to 7,580 ft.
Completion filings report 9 formation tops, including Wilcox, Navarro, Olmos, Anacacho.
Its 2 leases have reported 18.5K barrels of oil and 2.75K mcf of gas since January 1993, last reporting in February 2023. 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 Rock, Inc.through Aug 2018 |
| Latest permit | First Rock, Inc.Apr 22, 2015 |
- 7,580
- total depth, ft
- 2
- permits on file
- Apr 22, 2015
- last permit issued
- Jun 17, 1981
- completed
- 18.5K
- cumulative oil, bbl
- 2.75K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 17, 1981
- Shut in
- —
- Plugged
- Apr 22, 2022
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 |
|---|---|---|---|---|---|---|
| Jarzombek Unit O-1-18642 | Marcelina Creek (Austin Chalk) | First Rock, Inc. | 1 | 3.38K | 819 | May 2015 – Feb 2023 |
| Jarzombek Unit O-1-7098 | Poth, East (Austin Chalk) | First Rock, Inc. | 1 | 15.1K | 1.93K | Jan 1993 – Sep 2022 |
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.
- 1Kidd Production Co.Jan 1993 → Feb 1996
- 2Oky Investments, Inc.Mar 1996 → Apr 2001
- 3First Rock, Inc.Jul 2001 → Aug 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 805628-99 | Recompletion | First Rock, Inc. | Apr 15, 2015 | Apr 22, 2015 | Mar 6, 1981 | 7,500 |
| 100821-99 | Drill | Nucorp Energy, Inc. | Dec 3, 1980 | Dec 3, 1980 | — | 7,580 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-7098 | — | — | — | — |
| — | — O-1-18642 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 407 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxWILCOX - DISPOSAL | 3,350 | -2,943 |
| Navarro | 5,630 | -5,223 |
| Olmos | 6,240 | -5,833 |
| AnacachoANACACHO - H2S | 7,060 | -6,653 |
| Austin ChalkAUSTIN CHALK - H2S | 7,279 | -6,872 |
| BudaBUDA - H2S | — | — |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S, DISPOSAL | — | — |
| GeorgetownGEORGETOWN - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,291 | 8,583 | Open hole |
| 7,325 | 7,467 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 511 | 13.75 | 385 S |
| 2.875 | 7,067 | — | — |
| 5.5 | 7,189 | 8.75 | 255 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 | Feb 2, 2016 | Oct 7, 2015 | — |
| 00 | Jan 12, 1984 | Jun 30, 1981 | — |
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 42-493-30760 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-493-30760 → 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/49330760, documented in the API reference.