WELL · 42-057-31236 · DISTRICT 2
Welder D #9
Calhoun County · Katie Welder (F-4) field · Vertical
Welder D #9 (API 42-057-31236) is a plugged well in Calhoun County, plugged January 17, 1994, last operated by Baylor Operating LLC.
The RRC has issued one drilling permit, issued February 11, 1983, permitted to 8,000 ft.
It was permitted by Williams Expl CO A Delaware Corp and has since transferred to Baylor Operating LLC on the wellbore schedule.
Its lease has reported 55.2K barrels of oil and 34.5K mcf of gas since January 1993, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Williams Expl Co a Delaware Corp; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Dec 4, 2025 · 1 permits on file · (210) 393-0636
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Baylor Operating LLC |
| Production reports | Baylor Operating, LLCthrough Jan 2021 |
| Latest permit | Williams Expl Co a Delaware CorpFeb 11, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 1
- permits on file
- Feb 11, 1983
- last permit issued
- Apr 6, 1983
- completed
- 55.2K
- cumulative oil, bbl
- 34.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 6, 1983
- Shut in
- —
- Plugged
- Jan 17, 1994
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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Welder D O-2-6420 | Katie Welder (F-4) | Baylor Operating, LLC | 6 | 55.2K | 34.5K | Jan 1993 – Jul 2026 |
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.
- 1American Cometra, Inc.Jan 1993 → Feb 1997
- 2Lomak Production CompanyMar 1997 → Mar 1997
- 3Atasca Resources, Inc.Apr 1997 → Aug 2003
- 4TE-Ray Resources, Inc.Sep 2003 → Sep 2006
- 5XOG Operating LLCOct 2006 → Mar 2016
- 6Baylor Operating, LLCApr 2016 → Jan 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 186013-99 | Drill | Williams Expl Co a Delaware Corp | Feb 11, 1983 | Feb 11, 1983 | Mar 11, 1983 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-6420 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,391 | 5,399 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,620 | 12.25 | 910 S |
| 2 | 5,296 | — | — |
| 4.5 | 5,598 | 7.875 | 600 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 | Jan 12, 1984 | Apr 25, 1983 | — |
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 42-057-31236 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-057-31236 → 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/05731236, documented in the API reference.