WELL · 42-131-39595 · DISTRICT 4
Francisco Unit #1
Duval County · Wildcat field · Vertical
Francisco Unit #1 (API 42-131-39595) is a plugged well in Duval County, plugged February 23, 2018, last operated by San Isidro Development CO L. C..
The RRC has issued one drilling permit, issued February 3, 2017, permitted to 11,500 ft.
Completion filings report 8 formation tops, including Palangana Salt - Injection/Dispo, Miocene (undifferentiated), Catahoula, Vicksburg.
Operator of record
San Isidro Development Co L. C.
Sandia, TX · P-5 Y, filed May 4, 2026 · 46 permits on file · (361) 765-2450
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | San Isidro Development Co L. C. |
| Production reports | none |
| Latest permit | San Isidro Development Co, L. C.Feb 3, 2017 |
- 11,500
- total depth, ft
- 1
- permits on file
- Feb 3, 2017
- last permit issued
- Apr 25, 2017
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2017 THROUGH Feb 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 25, 2017
- Shut in
- —
- Plugged
- Feb 23, 2018
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 |
|---|---|---|---|---|---|---|
| Francisco Unit G-4-285701 | Wildcat | San Isidro Development Co, L. C. | 1 | 0 | 0 | Apr 2017 – Feb 2018 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 822525-99 | Drill | San Isidro Development Co, L. C. | Jan 26, 2017 | Feb 3, 2017 | Mar 25, 2017 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-285701 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 494 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Palangana Salt - Injection/Dispo | 2,000 | -1,506 |
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC | 2,400 | -1,906 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | 2,800 | -2,306 |
| Vicksburg | 4,500 | -4,006 |
| JacksonJACKSON - INJECTION/DISPOSAL; H2 | 4,800 | -4,306 |
| YeguaYEGUA - INJECTION/DISPOSAL | 5,200 | -4,706 |
| Queen CityQUEEN CITY - INJECTION/DISPOSAL | 5,800 | -5,306 |
| Wilcox | 8,500 | -8,006 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,835 | 14.75 | 960 S |
| 7.625 | 8,940 | 9.875 | 380 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 7, 2019 | Jul 21, 2017 | — |
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 42-131-39595 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-39595 → 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/13139595, documented in the API reference.