WELL · 42-409-30012 · DISTRICT 4
J. F. Welder Unit #B16
San Patricio County · Vertical
J. F. Welder Unit #B16 (API 42-409-30012) is a disposal or injection well in San Patricio County operated by Texaco Inc. under an active UIC permit.
The RRC has issued 2 drilling permits between 1979 and 1985, permitted to 9,000 ft.
Its lease has reported 60.4K barrels of oil and 705K mcf of gas since January 1993, last reporting in July 2026. The lease carries 14 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
Midland, TX · P-5 Y, filed Aug 3, 1992 · 4,906 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | 84 Energy LLCthrough Aug 2025 |
| Latest permit | Texaco Inc.Mar 26, 1985 |
- 9,000
- total depth, ft
- 2
- permits on file
- Mar 26, 1985
- last permit issued
- —
- completed
- 60.4K
- cumulative oil, bbl
- 705K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 lease this well is completed on; they carry 14 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Welder, J. F., Unit O-4-1996 | Odem | 84 Energy LLC | 14 | 60.4K | 705K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 142 · prior 12 747(-81%)
Gas, mcf lease total
Last 12 months 157 · prior 12 2,234(-93%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Smith Production Inc.Sep 1995 → Apr 1999
- 2Energen Resources CorporationMay 1999 → Aug 2003
- 3Aroc (Texas) Inc.Sep 2003 → Feb 2005
- 4Southern Bay Operating, L.L.C.Mar 2005 → Jun 2013
- 5HK Energy Operating, LLCJul 2013 → Oct 2013
- 6Wagner Oil CompanyNov 2013 → Jul 2020
- 7GTG Operating, LLCAug 2020 → Dec 2024
- 884 Energy LLCFeb 2025 → Aug 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 270556-99 | Recompletion | Texaco Inc. | Mar 25, 1985 | Mar 26, 1985 | — | 9,000 |
| 48778-99 | Recompletion | Texaco Inc. | May 18, 1979 | May 18, 1979 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-1996 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,746 | 2,756 | Perforated |
| 2,770 | 2,790 | Perforated |
| 2,840 | 2,870 | Perforated |
| 2,883 | 2,895 | Perforated |
| 6,640 | 6,650 | Perforated |
| — | 6,658 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,524 | 15 | 800 S |
| 13.375 | 1,524 | 17.5 | 800 S |
| 9.625 | 7,336 | 12.25 | 850 S |
| 7 | 8,337 | 8.5 | 195 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 | Jun 8, 2010 | Feb 22, 2010 | — |
| 00 | Oct 13, 1992 | Aug 28, 1992 | — |
| 00 | May 5, 1992 | Apr 1, 1992 | — |
| 00 | Apr 23, 1985 | Feb 25, 1985 | — |
| 00 | Apr 10, 1985 | — | — |
| 00 | Jan 12, 1984 | Jul 15, 1969 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-409-30012 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-30012 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 7.66M
- bbl, all reported
- Jan 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000047448 | W-14 Disposal | Active | 6,000 | 1,000 | 2,230–4,520 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/40930012, documented in the API reference.