WELL · 42-467-30892 · DISTRICT 5
Swain W. F. 36 #12
Van Zandt County · Van (Austin Chalk) field · Producing · Vertical
Swain W. F. 36 #12 (API 42-467-30892) is a well in Van Zandt County operated by Basa Resources Inc., completed April 23, 1996 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 1993 and 1996, permitted to 2,950 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 5 formation tops, including Wilcox, Pecan Gap, Austin Chalk, Woodbine.
Its 2 leases have reported 7.51M barrels of oil and 5.31M mcf of gas since January 1993, last reporting in July 2026. The leases carry 199 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 CaliforniaMay 21, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,950
- total depth, ft
- 2
- permits on file
- May 21, 1996
- last permit issued
- Apr 23, 1996
- completed
- 7.51M
- cumulative oil, bbl
- 5.31M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 23, 1996
- Shut in
- —
- 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 199 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-5-3168 | Van (Austin Chalk) | Basa Resources, Inc. | 7 | 256K | 671K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 154,987 · prior 12 140,823(+10%)
Gas, mcf lease total
Last 12 months 78,425 · prior 12 64,028(+22%)
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 |
|---|---|---|---|---|---|---|
| 445548-99 | Recompletion | Union Oil Company of California | Mar 5, 1996 | May 21, 1996 | Mar 23, 1996 | 2,950 |
| 412853-99 | Drill | Union Oil Company of California | Jun 15, 1993 | Jun 15, 1993 | Jul 1, 1993 | 2,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-5-2453 | — | — | — | — |
| — | — O-5-3168 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 507 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 400 | 107 |
| Pecan Gap | 1,438 | -931 |
| Austin Chalk | 2,249 | -1,742 |
| Austin Chalk | 2,272 | -1,765 |
| Woodbine | 2,542 | -2,035 |
| Nacatoch | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,249 | 2,453 | Perforated |
| 2,810 | 2,822 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 458 | 10 | 220 S |
| 8.625 | 458 | 12.25 | 220 S |
| 5.5 | 2,946 | 6.75 | 420 S |
| 5.5 | 2,946 | 7.875 | 420 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 | Apr 22, 1997 | Jun 25, 1996 | Yes |
| 00 | Jul 31, 1996 | — | — |
| 00 | Feb 22, 1994 | Oct 1, 1993 | Yes |
| 00 | Jan 19, 1994 | — | — |
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 42-467-30892 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-467-30892 → 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/46730892, documented in the API reference.