TEXAS · WELLS · SAN PATRICIO COUNTY · API 42-409-30431 · DISTRICT 04
Welder J.F. Unit #C 46
San Patricio County · Odem S. (Massive Frio) field · Shut In · Vertical
Welder J.F. Unit #C 46 (API 42-409-30431) is a well in San Patricio County operated by Iron Jaw Operating LLC, completed July 22, 1997 and listed as shut in on the RRC schedule, shut in October 1, 2014.
The RRC has issued one drilling permit, issued December 9, 2005, permitted to 7,630 ft.
It was permitted by Southern Bay Operating, L.L.C. and has since transferred to Iron Jaw Operating LLC on the wellbore schedule.
Its 2 leases have reported 143K barrels of oil and 681K mcf of gas since January 1993, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Southern Bay Operating, L.L.C.; the EWA schedule now lists a different operator.
- Based in
- Sugar Land, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Phone
- (832) 398-0917
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Wagner Oil Companythrough Sep 2016 |
| Latest permit | Southern Bay Operating, L.L.C.Dec 9, 2005 |
- 7,630
- total depth, ft
- 1
- permits on file
- Dec 9, 2005
- last permit issued
- Jul 22, 1997
- completed
- 143K
- cumulative oil, bbl
- 681K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 22, 1997
- Shut in
- Oct 1, 2014
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Welder, J.F. Unit O-4-12144 | Odem, S. (Massive Frio) | 84 Energy LLC | 5 | 142K | 678K | Feb 1993 – Jul 2026 |
| Welder, J. F. Unit O-4-8392 | Odem, S. (6000) | Texaco E & P Inc. | 2 | 934 | 3.03K | Jan 1993 – Feb 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.
- 1Texaco E & P Inc.Jan 1993 → Feb 1995
- 2Smith Production Inc.Mar 1995 → Apr 1999
- 3Energen Resources CorporationMay 1999 → Aug 2003
- 4Aroc (Texas) Inc.Sep 2003 → Feb 2005
- 5Southern Bay Operating, L.L.C.Mar 2005 → Jun 2013
- 6HK Energy Operating, LLCJul 2013 → Oct 2013
- 7Wagner Oil CompanyNov 2013 → Sep 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 609363-99 | Recompletion | Southern Bay Operating, L.L.C. | Nov 10, 2005 | Dec 9, 2005 | — | 5,560 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 22, 1997 | Welder J.F. Unit O-4-12144 | Odem S. (Massive Frio) | Iron Jaw Operating LLC | Shut In · shut in Oct 1, 2014 | 7,630 |
| Oct 18, 1974 | Welder J. F. Unit O-4-8392 | Odem S. (6000) | Texaco E & P Inc. | Not on Schedule | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,492 | 5,502 | Perforated |
| 5,572 | 5,574 | Perforated |
| 6,060 | 6,072 | Perforated |
| 6,188 | 6,198 | Perforated |
| — | 6,012 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 532 | 13.75 | 150 S |
| 2.875 | 6,047 | — | — |
| 4.5 | 7,600 | 7.875 | 200 S |
| 4.5 | 7,630 | 7.875 | 1,150 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 | Oct 28, 2002 | Oct 7, 2002 | — |
| 00 | Oct 22, 1997 | Sep 4, 1997 | — |
| 00 | Apr 21, 1997 | Mar 28, 1997 | — |
| 00 | Feb 3, 1993 | Oct 29, 1974 | — |
| 00 | Jan 12, 1984 | Oct 29, 1974 | — |
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 42-409-30431 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-30431 → 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/40930431, documented in the API reference.