WELL · 42-467-00621 · DISTRICT 5
Swain W. F. 36 #4
Van Zandt County · Van (Pecan Gap) field · Vertical
Swain W. F. 36 #4 (API 42-467-00621) is a plugged well in Van Zandt County, plugged January 11, 2016, last operated by Basa Resources Inc..
The RRC has issued one drilling permit, issued October 8, 2003, permitted to 2,958 ft.
It was permitted by Union Oil Company Of California and has since transferred to Basa Resources Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Austin Chalk, Nacotoch, Pecan Gap, Woodbine.
Its 2 leases have reported 7.3M barrels of oil and 4.69M mcf of gas since January 1993, last reporting in July 2026. The leases carry 194 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Union Oil Company of California; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 12, 2026
- Permits on file
- 472
- Phone
- (214) 580-5206
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Basa Resources Inc. |
| Production reports | Basa Resources, Inc.through Apr 2026 |
| Latest permit | Union Oil Company of CaliforniaOct 8, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,958
- total depth, ft
- 1
- permits on file
- Oct 8, 2003
- last permit issued
- Nov 12, 2003
- completed
- 7.3M
- cumulative oil, bbl
- 4.69M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 12, 2003
- Shut in
- —
- Plugged
- Jan 11, 2016
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 194 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Central Van Woodbine Unit O-5-2453 | Van (Central-Woodbine) | Basa Resources, Inc. | 192 | 7.25M | 4.64M | Jan 1993 – Jul 2026 |
| Swain, W. F. 36 O-5-3465 | Van (Pecan Gap) | Basa Resources, Inc. | 2 | 52.9K | 51.3K | Dec 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 150,042 · prior 12 142,403(+5%)
Gas, mcf lease total
Last 12 months 63,529 · prior 12 63,237(+0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Oil Company of CaliforniaJan 1993 → Dec 2020
- 2Basa Resources, Inc.Jan 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 537288-99 | Recompletion | Union Oil Company of California | Oct 8, 2003 | Oct 8, 2003 | Nov 10, 2003 | 2,958 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-5-2453 | — | — | — | — |
| — | — O-5-3465 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 508 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkAUSTIN | — | — |
| Nacotoch | — | — |
| Pecan Gap | — | — |
| Woodbine | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,468 | 1,500 | Perforated |
| 1,518 | 1,543 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 298 | 12.25 | 150 S |
| 7 | 2,583 | 8.625 | 200 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 20, 2004 | Dec 2, 2003 | Yes |
| 00 | Dec 23, 2003 | — | — |
| 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 42-467-00621 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-467-00621 → 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/46700621, documented in the API reference.