WELL · 42-131-36604 · DISTRICT 4
Montemayor B #1
Duval County · Starr Brite W. (7080 Yegua) field · Vertical
Montemayor B #1 (API 42-131-36604) is a plugged well in Duval County, plugged February 25, 2019, last operated by Sedco Operating LLC.
The RRC has issued one drilling permit, issued December 6, 1984, permitted to 8,000 ft.
It was permitted by Genesis Petroleum Corporation and has since transferred to Sedco Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Frio, Top Of Hockley, Yegua.
Operator of record
Permitted by Genesis Petroleum Corporation; the EWA schedule now lists a different operator.
Canyon Lake, TX · P-5 Y, filed May 29, 2025 · (210) 389-2836
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sedco Operating LLC |
| Production reports | Hunter Petroleum Inc.through Mar 2001 |
| Latest permit | Genesis Petroleum CorporationDec 6, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 1
- permits on file
- Dec 6, 1984
- last permit issued
- Jan 5, 1985
- completed
- 0
- cumulative oil, bbl
- 258K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 5, 1985
- Shut in
- —
- Plugged
- Feb 25, 2019
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 |
|---|---|---|---|---|---|---|
| Montemayor "B" G-4-114746 | Starr Brite, W. (7080 Yegua) | Sedco Operating, LLC | 1 | 0 | 258K | Jan 1993 – Feb 2019 |
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.
- 1Santa FE Energy Oper. Part., LPJan 1993 → Apr 1993
- 2Vintage Petroleum, Inc.May 1993 → Jul 1997
- 3Hunter Petroleum Inc.Aug 1997 → Mar 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 260000-99 | Drill | Genesis Petroleum Corporation | Nov 30, 1984 | Dec 6, 1984 | Dec 11, 1984 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-114746 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 348 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,128 | 7,140 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,000 | 14.75 | 1,015 S |
| 4.5 | 7,352 | 9.875 | 600 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 12, 1985 | Jan 30, 1985 | — |
| 00 | Feb 9, 1985 | Jan 6, 1985 | — |
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 42-131-36604 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-36604 → 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/13136604, documented in the API reference.