WELL · 42-131-36766 · DISTRICT 4
Welder Leo J. et AL #1
Duval County · Squire(govt.wells) field · Vertical
Welder Leo J. ET AL #1 (API 42-131-36766) is a plugged well in Duval County, plugged September 30, 1995, last operated by South Texas Operating Company.
The RRC has issued 2 drilling permits between 1985 and 1992, permitted to 3,911 ft.
Completion filings report 5 formation tops, including Catahoula, Frio, Jackson, Government Wells.
Its 2 leases have reported 1.87K barrels of oil and 34.5K mcf of gas since January 1993, last reporting in October 1995. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Nov 4, 2025 · 18 permits on file · (210) 827-2509
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | South Texas Operating Company |
| Production reports | South Texas Operating Companythrough May 1994 |
| Latest permit | South Texas Operating CompanyJun 12, 1992 |
- 3,911
- total depth, ft
- 2
- permits on file
- Jun 12, 1992
- last permit issued
- Jun 20, 1992
- completed
- 1.87K
- cumulative oil, bbl
- 34.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 1995
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 20, 1992
- Shut in
- —
- Plugged
- Sep 30, 1995
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Welder, Leo J. Etal O-4-10894 | Squire | South Texas Operating Company | 1 | 1.87K | 1K | Jan 1993 – Oct 1995 |
| Welder, Leo J. et AL G-4-142555 | Squire(govt.wells) | South Texas Operating Company | 1 | 0 | 33.5K | Jan 1993 – Jul 1993 |
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.
- 1South Texas Operating CompanyJan 1993 → May 1994
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 400145-99 | Recompletion | South Texas Operating Company | Jun 12, 1992 | Jun 12, 1992 | Jun 15, 1992 | 3,911 |
| 281808-99 | Drill | Price Drilling & Exploration Co. | Aug 6, 1985 | Aug 6, 1985 | Aug 10, 1985 | 3,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-142555 | — | — | — | — |
| — | — O-4-10894 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 520 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,295 | 3,299 | Perforated |
| 3,818 | 3,823 | Perforated |
| 3,880 | 3,823 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 453 | 12.25 | 254 S |
| 4.5 | 3,911 | 7.875 | 225 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 15, 1993 | Sep 8, 1993 | — |
| 00 | Dec 16, 1992 | Oct 14, 1992 | Yes |
| 00 | Oct 22, 1992 | — | — |
| 00 | Nov 27, 1985 | Nov 1, 1985 | Yes |
| 00 | Nov 15, 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 42-131-36766 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-36766 → 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/13136766, documented in the API reference.