WELL · 42-239-31481 · DISTRICT 2
Schomburg-Navidad River Unit #4
Jackson County · Westhoff (Combined Associated) field · Vertical
Schomburg-Navidad River Unit #4 (API 42-239-31481) is a well in Jackson County operated by Progenies Operating LLC, completed February 16, 2009.
The RRC has issued 2 drilling permits between 1980 and 2008, permitted to 7,500 ft.
It was permitted by Ambassador Petroleum, Inc. and has since transferred to Progenies Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including B-5, B-11, D-1.
Its 5 leases have reported 19.1K barrels of oil and 835K mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Ambassador Petroleum, Inc.; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed Aug 4, 2025 · 1 permits on file · (832) 282-5525
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Progenies Operating LLC |
| Production reports | BXP Operating, LLCthrough Oct 2015 |
| Latest permit | Ambassador Petroleum, Inc.Jun 10, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 2
- permits on file
- Jun 10, 2008
- last permit issued
- Feb 16, 2009
- completed
- 19.1K
- cumulative oil, bbl
- 835K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 16, 2009
- 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 5 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Schomburg-Navidad River Unit G-2-278940 | Westhoff (Combined Associated) | Progenies Operating LLC | 1 | 0 | 23.9K | Apr 2014 – Jul 2026 |
| Schomburg-Navidad River Unit O-2-9182 | Westhoff (Combined Associated) | Progenies Operating LLC | 2 | 19.1K | 733K | Feb 2008 – Jul 2026 |
| Schomburg - Navidad River Unit O-2-9337 | Westhoff (Combined Associated) | Ambassador Petroleum, Inc. | 1 | 0 | 0 | Feb 2009 – Oct 2009 |
| Schomburg-Navidad River Unit G-2-242038 | Westhoff (Combined Associated) | Ambassador Petroleum, Inc. | 1 | 0 | 78.4K | Aug 2008 – Feb 2009 |
| Simons, M. K. G-2-91815 | Texana (5700) | Valley Energy, Inc. | 1 | 0 | 0 | Jan 1993 – Jul 1996 |
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.
- 1Ambassador Petroleum, Inc.Mar 2008 → Jul 2013
- 2BXP Operating, LLCAug 2013 → Oct 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 659568-99 | Reenter | Ambassador Petroleum, Inc. | Apr 14, 2008 | Jun 10, 2008 | Jul 7, 2008 | 7,013 |
| 71689-99 | Drill | Valley Energy, Inc. | Feb 4, 1980 | Feb 4, 1980 | — | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-91815 | — | — | — | — |
| — | — G-2-242038 | — | — | — | — |
| — | — G-2-278940 | — | — | — | — |
| — | — O-2-9182 | — | — | — | — |
| — | — O-2-9337 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 7 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| B-5 | 5,422 | -5,415 |
| B-11 | 5,537 | -5,530 |
| B-11 | 5,693 | -5,686 |
| D-1 | 6,241 | -6,234 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,422 | 5,426 | Perforated |
| 5,700 | 5,703 | Perforated |
| 6,328 | 6,332 | Perforated |
| 6,346 | 6,353 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 515 | 9.75 | 200 S |
| 8.625 | 515 | 12.25 | 260 S |
| 8.625 | 515 | — | — |
| 2.375 | 5,600 | — | — |
| 4.5 | 6,686 | 7.875 | 450 S |
| 4.5 | 6,689 | 7.875 | 1,421 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 | Jan 28, 2016 | Sep 24, 2014 | Yes |
| 00 | Jan 12, 2010 | Mar 26, 2009 | — |
| 00 | Oct 5, 2009 | — | — |
| 00 | Jun 25, 2009 | — | — |
| 00 | Dec 8, 2008 | Sep 8, 2008 | — |
| 00 | Dec 6, 2008 | Sep 8, 2008 | — |
| 00 | Nov 13, 2008 | — | — |
| 00 | Jan 12, 1984 | Dec 29, 1980 | — |
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 42-239-31481 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-239-31481 → 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/23931481, documented in the API reference.