WELL · 42-427-32997 · DISTRICT 4
Montalvo N. R. #58
Starr County · Sun (F-4-L M) field · Vertical
Montalvo N. R. #58 (API 42-427-32997) is a plugged well in Starr County, plugged August 25, 2023, last operated by Triad O&G LLC.
The RRC has issued one drilling permit, issued June 4, 1997, permitted to 5,500 ft.
It was permitted by Reh Energy, Inc. and has since transferred to Triad O&G LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Frio, Vicksburg.
Operator of record
Permitted by Reh Energy, Inc.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jan 4, 2026 · 5 permits on file · (469) 471-1367
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Triad O&G LLC |
| Production reports | Reh Energy, Inc.through Jul 2001 |
| Latest permit | Reh Energy, Inc.Jun 4, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,500
- total depth, ft
- 1
- permits on file
- Jun 4, 1997
- last permit issued
- Sep 15, 1997
- completed
- 0
- cumulative oil, bbl
- 25.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1997 THROUGH Oct 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 15, 1997
- Shut in
- —
- Plugged
- Aug 25, 2023
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 |
|---|---|---|---|---|---|---|
| Montalvo, N. R. G-4-164825 | Sun (F-4-L, M) | Triad O&G, LLC | 1 | 0 | 25.3K | Sep 1997 – Oct 2023 |
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.
- 1Reh Energy, Inc.Sep 1997 → Jul 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 462719-99 | Drill | Reh Energy, Inc. | May 21, 1997 | Jun 4, 1997 | Jun 11, 1997 | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-164825 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 369 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,899 | 4,905 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,063 | 12.25 | 355 S |
| 2.875 | 5,305 | 7.875 | 705 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 | Nov 5, 1997 | Oct 7, 1997 | Yes |
| 00 | Oct 22, 1997 | — | — |
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 42-427-32997 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-32997 → 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/42732997, documented in the API reference.