WELL · 42-409-32461 · DISTRICT 4
Welder A #4
San Patricio County · Sinton North (5550) field · Vertical
Welder A #4 (API 42-409-32461) is a plugged well in San Patricio County, plugged September 28, 2022, last operated by Sandalwood Oil & Gas Inc..
The RRC has issued 3 drilling permits between 1994 and 1995, permitted to 7,900 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Catahoula, Frio.
Its 3 leases have reported 168K barrels of oil and 150K mcf of gas since December 1994, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Nov 4, 2025 · 92 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sandalwood Oil & Gas Inc. |
| Production reports | Dallas Petroleum Group, LLCthrough Apr 2026 |
| Latest permit | Sandalwood Oil & Gas, Inc.Dec 15, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,900
- total depth, ft
- 3
- permits on file
- Dec 15, 1995
- last permit issued
- Dec 22, 1994
- completed
- 168K
- cumulative oil, bbl
- 150K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 22, 1994
- Shut in
- —
- Plugged
- Sep 28, 2022
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 3 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Welder "A" O-4-12512 | Sinton, North (5020 Maduro) | Dallas Petroleum Group, LLC | 2 | 168K | 89.5K | Nov 1995 – Jul 2026 |
| Welder "A" G-4-155175 | Sinton, North (2150 Fuente) | Sandalwood Oil & Gas, Inc. | 1 | 0 | 16.2K | Jun 1995 – Nov 1995 |
| Welder "A" G-4-152570 | Sinton, North (5550) | Sandalwood Oil & Gas, Inc. | 1 | 0 | 43.9K | Dec 1994 – Oct 1995 |
Oil, barrels lease total
Last 12 months 1,199 · prior 12 1,625(-26%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sandalwood Oil & Gas, Inc.Dec 1994 → Dec 1998
- 2Consolidated Petro Ptnrs I, LLCJan 1999 → Oct 2001
- 3Kebo Oil & Gas, Inc.Dec 2001 → Jun 2002
- 4Hazelett Oil Company, Inc.Jul 2002 → Sep 2005
- 5Hazelett Oil, Inc.Oct 2005 → Feb 2008
- 6Sydri Operating, LLCMar 2008 → Apr 2015
- 7Dallas Petroleum Group, LLCMay 2015 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 442628-99 | Recompletion | Sandalwood Oil & Gas, Inc. | Dec 8, 1995 | Dec 15, 1995 | Nov 14, 1995 | 5,080 |
| 437055-99 | Recompletion | Sandalwood Oil & Gas, Inc. | Jun 20, 1995 | Jun 20, 1995 | Jun 8, 1995 | 5,080 |
| 430255-99 | Drill | Sandalwood Oil & Gas, Inc. | Nov 21, 1994 | Nov 21, 1994 | Dec 3, 1994 | 7,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-152570 | — | — | — | — |
| — | — G-4-155175 | — | — | — | — |
| — | — O-4-12512 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 59 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 1,200 | -1,141 |
| Catahoula | 3,670 | -3,611 |
| Frio | 4,720 | -4,661 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,150 | 2,156 | Perforated |
| 5,021 | 5,026 | Perforated |
| 5,526 | 5,533 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,058 | 12.25 | 354 S |
| 8.625 | 1,658 | 12.25 | 354 S |
| 4.5 | 5,422 | 7.875 | 485 S |
| 4.5 | 5,722 | 7.875 | 930 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 | Aug 22, 1997 | Jul 10, 1997 | — |
| 00 | Nov 25, 1996 | Sep 11, 1996 | — |
| 00 | Mar 27, 1996 | Nov 16, 1995 | Yes |
| 00 | Dec 22, 1995 | — | — |
| 00 | Nov 14, 1995 | Jul 11, 1995 | Yes |
| 00 | Sep 7, 1995 | — | — |
| 00 | Mar 3, 1995 | Jan 17, 1995 | Yes |
| 00 | Feb 3, 1995 | — | — |
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 42-409-32461 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-32461 → 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/40932461, documented in the API reference.