WELL · 42-467-00516 · DISTRICT 5
Swain O. L. 11 B #4
Van Zandt County · Van (Pecan Gap) field · Vertical
Swain O. L. 11 B #4 (API 42-467-00516) is a plugged well in Van Zandt County, plugged September 12, 2019, last operated by Basa Resources Inc..
The RRC has issued 2 drilling permits between 1996 and 2001, permitted to 2,924 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 Wilcox, Pecan Gap, Austin Chalk, Woodbine.
Its 3 leases have reported 1.15M barrels of oil and 1.05M mcf of gas since January 1993, last reporting in July 2026. The leases carry 22 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 CaliforniaJun 12, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,924
- total depth, ft
- 2
- permits on file
- Jun 12, 2001
- last permit issued
- Jun 26, 2001
- completed
- 1.15M
- cumulative oil, bbl
- 1.05M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 26, 2001
- Shut in
- —
- Plugged
- Sep 12, 2019
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 3 leases this well is completed on; they carry 22 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Swain, O. L. 11 O-5-2088 | Van | Basa Resources, Inc. | 11 | 900K | 623K | Jan 1993 – Jul 2026 |
| Swain, O. L. 11B O-5-3274 | Van (Austin Chalk) | Basa Resources, Inc. | 7 | 172K | 349K | Jan 1993 – Jul 2026 |
| Swain, O. L. 11 "B" O-5-3712 | Van (Pecan Gap) | Basa Resources, Inc. | 4 | 73.5K | 81.5K | Nov 2000 – Jul 2026 |
Oil, barrels lease total
Last 12 months 26,273 · prior 12 20,974(+25%)
Gas, mcf lease total
Last 12 months 12,441 · prior 12 10,281(+21%)
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 |
|---|---|---|---|---|---|---|
| 510210-99 | Recompletion | Union Oil Company of California | Jun 12, 2001 | Jun 12, 2001 | Jun 20, 2001 | 2,924 |
| 444874-99 | Recompletion | Union Oil Company of California | Feb 15, 1996 | Feb 15, 1996 | Feb 16, 1996 | 2,924 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-5-2088 | — | — | — | — |
| — | — O-5-3274 | — | — | — | — |
| — | — O-5-3712 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 476 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 450 | 26 |
| Pecan Gap | 1,850 | -1,374 |
| Austin Chalk | 2,112 | -1,636 |
| Woodbine | 2,309 | -1,833 |
| Austin Chalk | 2,400 | -1,924 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,770 | 1,850 | Perforated |
| 2,112 | 2,234 | Perforated |
| 2,634 | 2,639 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 293 | 14 | 160 S |
| 10.75 | 293 | — | 160 S |
| 7 | 2,304 | 9.875 | 400 S |
| 7 | 2,304 | — | 400 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 | Sep 10, 2001 | Jul 24, 2001 | Yes |
| 00 | Aug 17, 2001 | — | — |
| 00 | Apr 22, 1997 | Jun 25, 1996 | Yes |
| 00 | Jul 22, 1996 | — | — |
| 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 42-467-00516 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-467-00516 → 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/46700516, documented in the API reference.