WELL · 42-409-33048 · DISTRICT 4
Welder Efh #5
San Patricio County · Plymouth (5820) field · Vertical
Welder Efh #5 (API 42-409-33048) is a well in San Patricio County operated by Welder Exploration & Prod. Inc., completed December 24, 2015.
The RRC has issued 2 drilling permits (amended once) between 2015 and 2017, permitted to 7,500 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Catahoula, Vicksburg.
Its 2 leases have reported 41.2K barrels of oil and 30.3K mcf of gas since January 2015, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Welder Exploration & Prod. Inc.
San Antonio, TX · P-5 Y, filed Dec 1, 2023 · 346 permits on file · (210) 601-1249
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Welder Exploration & Prod. Inc. |
| Production reports | Welder Exploration & Prod., Inc.through Dec 2020 |
| Latest permit | Welder Exploration & Prod., Inc.Jan 18, 2017 |
- 7,500
- total depth, ft
- 3
- permits on file
- Jan 18, 2017
- last permit issued
- Dec 24, 2015
- completed
- 41.2K
- cumulative oil, bbl
- 30.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 24, 2015
- Shut in
- —
- Plugged
- —
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Welder Efh O-4-13987 | Plymouth | Welderxp Ltd. | 2 | 41.2K | 19.9K | Jan 2015 – Jul 2026 |
| Welder Efh G-4-280994 | Plymouth (5820) | Welder Exploration & Prod., Inc. | 1 | 0 | 10.4K | Dec 2015 – May 2017 |
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.
- 1Welder Exploration & Prod., Inc.Jan 2015 → Dec 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 821907-99 | Recompletion | Welder Exploration & Prod., Inc. | Jan 9, 2017 | Jan 18, 2017 | Nov 19, 2015 | 6,650 |
| 806609-98 | Drill | Welder Exploration & Prod., Inc. | Mar 8, 2016 | May 19, 2015 | Nov 19, 2015 | 7,500 |
| 806609-99 | Drill | Welder Exploration & Prod., Inc. | May 14, 2015 | May 19, 2015 | — | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-280994 | — | — | — | — |
| — | — O-4-13987 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 40 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC | 1,500 | -1,460 |
| CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI | 3,800 | -3,760 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | 4,400 | -4,360 |
| Vicksburg | 6,100 | -6,060 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,580 | 5,583 | Perforated |
| 5,824 | 5,828 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 850 | 12.25 | 425 S |
| 4.5 | 6,631 | 7.875 | 1,314 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 6, 2017 | Jun 5, 2017 | — |
| 00 | Oct 17, 2016 | Sep 19, 2016 | Yes |
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 42-409-33048 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-33048 → 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/40933048, documented in the API reference.