WELL · 42-131-35210 · DISTRICT 4
Welder Leo J. Etal #1
Duval County · Seven Sisters E. (Reagan) field · Vertical
Welder Leo J. Etal #1 (API 42-131-35210) is a plugged well in Duval County, plugged March 4, 2006, last operated by Alegre Energy Inc..
The RRC has issued one drilling permit, issued May 18, 1981, permitted to 13,500 ft.
It was permitted by Hilliard Oil & Gas, Inc. and has since transferred to Alegre Energy Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Wilcox, Slick, 1st Massive, Regan.
Operator of record
Permitted by Hilliard Oil & Gas, Inc.; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Jun 2, 2017 · 5 permits on file · (210) 365-6354
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Alegre Energy Inc. |
| Production reports | Alegre Energy Operating, LPthrough Dec 2004 |
| Latest permit | Hilliard Oil & Gas, Inc.May 18, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,500
- total depth, ft
- 1
- permits on file
- May 18, 1981
- last permit issued
- May 3, 1996
- completed
- 0
- cumulative oil, bbl
- 847K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2006
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 3, 1996
- Shut in
- —
- Plugged
- Mar 4, 2006
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 |
|---|---|---|---|---|---|---|
| Welder, Leo J. Etal G-4-99182 | Seven Sisters, E. (Reagan) | Alegre Energy, Inc. | 1 | 0 | 847K | Jan 1993 – Mar 2006 |
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.
- 1Satex Energy, Inc.Jan 1993 → Jan 1993
- 2Merit Energy CompanyFeb 1993 → Nov 1998
- 3Bison Energy Partners, Inc.Dec 1998 → Aug 2001
- 4Bison Energy Partners, Ltd.Sep 2001 → Apr 2002
- 5White Oak Operating Company LLCMay 2002 → Sep 2003
- 6Alegre Energy, Inc.Oct 2003 → Oct 2004
- 7Alegre Energy Operating, LPNov 2004 → Dec 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 118313-99 | Drill | Hilliard Oil & Gas, Inc. | May 18, 1981 | May 18, 1981 | — | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-99182 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 547 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 8,150 | -7,603 |
| Slick | 8,270 | -7,723 |
| 1ST Massive | 10,080 | -9,533 |
| Regan | 10,454 | -9,907 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,454 | 11,474 | Perforated |
| 11,543 | 11,576 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,510 | 14.75 | 900 S |
| 7.625 | 9,207 | 9.875 | 665 S |
| 2.875 | 10,721 | — | — |
| 5.5 | 11,395 | 6.5 | 200 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 | Jul 3, 1996 | Jun 7, 1996 | — |
| 00 | Jan 12, 1984 | Apr 1, 1982 | — |
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 42-131-35210 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-35210 → 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/13135210, documented in the API reference.