WELL · 42-505-32973 · DISTRICT 4
Sanchez-San Fernando Min. GU #1
Zapata County · Big Mac (8260) field · Producing · Vertical
Sanchez-San Fernando Min. GU #1 (API 42-505-32973) is a well in Zapata County operated by Bordertown Energy Resources LLC, completed January 11, 1993 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 25, 1992, permitted to 9,875 ft.
It was permitted by Enron Oil & Gas Company and has since transferred to Bordertown Energy Resources LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Cretaceous.
No lease production has been reported under this well’s leases.
Operator of record
Bordertown Energy Resources LLC
Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.
- Based in
- Bryan, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 8, 2025
- Permits on file
- 2
- Phone
- (832) 233-2191
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bordertown Energy Resources LLC |
| Production reports | Bordertown Energy Resources, LLCthrough Apr 2026 |
| Latest permit | Enron Oil & Gas CompanyNov 25, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,875
- total depth, ft
- 1
- permits on file
- Nov 25, 1992
- last permit issued
- Jan 11, 1993
- completed
- 0
- cumulative oil, bbl
- 679K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 11, 1993
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent (D)
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 |
|---|---|---|---|---|---|---|
| Sanchez-San Fernando Min. GU G-4-144473 | Big Mac (8260) | Bordertown Energy Resources, LLC | 1 | 0 | 679K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 634 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyMar 1993 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Jul 2013
- 3Bluestone Natural Res. II, LLCAug 2013 → Dec 2015
- 4Bordertown Energy Resources, LLCJan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 406605-99 | Drill | Enron Oil & Gas Company | Nov 25, 1992 | Nov 25, 1992 | Dec 4, 1992 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 11, 1993 | Sanchez-San Fernando Min. GU G-4-144473 | Big Mac (8260) | Bordertown Energy Resources LLC | Producing | 9,875 |
Formation tops
As filed on W-2/G-1. Subsea from 462 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,091 | 8,192 | Perforated |
| 9,118 | 9,142 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,030 | 12.25 | 370 S |
| 7 | 6,345 | 8.75 | 350 S |
| 2.875 | 9,845 | 6.25 | 625 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 | Apr 8, 1993 | Mar 9, 1993 | Yes |
| 00 | Mar 30, 1993 | — | — |
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 42-505-32973 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32973 → 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/50532973, documented in the API reference.