WELL · 42-467-30983 · DISTRICT 5
Swain, W. F. 9 #12
Van Zandt County · Directional
Swain, W. F. 9 #12 (API 42-467-30983) is a permitted well in Van Zandt County filed by Union Oil Company Of California; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 1997 and 2019, permitted to 5,701 ft.
Completion filings report 7 formation tops, including Austin Chalk, Rodessa, Upper Carlisle, Upr. Carlisle.
Its 2 leases have reported 262K barrels of oil and 237K mcf of gas since October 1997, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
Union Oil Company of California
Midland, TX · P-5 Y, filed Sep 2, 2022 · 2,336 permits on file · (800) 231-0623
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Basa Resources, Inc.through Apr 2026 |
| Latest permit | Union Oil Company of CaliforniaJun 26, 2019 |
- 5,701
- total depth, ft
- 3
- permits on file
- Jun 26, 2019
- last permit issued
- —
- completed
- 262K
- cumulative oil, bbl
- 237K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
32.552215, -95.632510
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Van Zandt County.
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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Swain, W. F. 9 O-5-3622 | Van (Carlisle) | Basa Resources, Inc. | 3 | 142K | 115K | Oct 1997 – Jul 2026 |
| Swain, W. F. 9 O-5-3623 | Van (James) | Basa Resources, Inc. | 3 | 120K | 122K | Oct 1997 – Mar 2023 |
Oil, barrels lease total
Last 12 months 861 · prior 12 1,020(-16%)
Gas, mcf lease total
Last 12 months 879 · prior 12 434(+103%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Oil Company of CaliforniaOct 1997 → Oct 2019
- 2Basa Resources, Inc.Jul 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 854499-99 | Recompletion | Union Oil Company of California | Jun 24, 2019 | Jun 26, 2019 | — | 5,701 |
| 467104-98 | Drill | Union Oil Company of California | Nov 3, 1997 | Sep 3, 1997 | — | 5,700 |
| 467104-99 | Drill | Union Oil Company of California | Sep 3, 1997 | Sep 3, 1997 | Sep 9, 1997 | 5,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-5-3622 | — | — | — | — |
| — | — O-5-3622 | — | — | — | — |
| — | — O-5-3623 | — | — | — | — |
| — | — O-5-3623 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 470 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 2,520 | -2,050 |
| Rodessa | 4,656 | -4,186 |
| Upper Carlisle | 4,816 | -4,346 |
| Upr. Carlisle | 4,816 | -4,346 |
| Carlisle | 4,858 | -4,388 |
| James LimeJAMES | 4,980 | -4,510 |
| Pettit | 5,246 | -4,776 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,858 | 4,868 | Perforated |
| 4,980 | 5,000 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 490 | 11 | 150 S |
| 5.5 | 5,701 | 7.875 | 975 S |
| 5.5 | 5,714 | 7.875 | 975 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 23, 1999 | May 3, 1999 | — |
| 00 | Aug 27, 1998 | Dec 4, 1997 | Yes |
| 00 | Aug 26, 1998 | Dec 4, 1997 | Yes |
| 00 | Aug 26, 1998 | — | — |
| 00 | Aug 11, 1998 | — | — |
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 42-467-30983 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-467-30983 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Brawner, L.M. 1042-467-30994
0.2 KM · Union Oil Company of California · Section with this well →
| Austin Chalk | 2,450 | -1,974 |
| Woodbine | 2,792 | -2,316 |
| Paluxy | 4,206 | -3,730 |
| Upr. Carlisle | 4,813 | -4,337 |
| Upper Carlisle | 4,813 | -4,337 |
| Carlisle | 4,836 | -4,360 |
| James Lime | 4,950 | -4,474 |
| Pettit | 5,221 | -4,745 |
Crim, J. F. 1642-467-31004
0.4 KM · Union Oil Company of California · Section with this well →
| Woodbine | 2,876 | -2,394 |
| Rodessa | 4,721 | -4,239 |
| Carlisle | 4,830 | -4,348 |
| James Lime | 4,910 | -4,428 |
Swain, W. F. 1442-467-31023
0.5 KM · Union Oil Company of California · Section with this well →
| Woodbine | 2,740 | -2,236 |
| Rodessa | 4,805 | -4,301 |
| Carlisle | 4,965 | -4,461 |
Shivers, J. R. 1242-467-30825
1.1 KM · Unocal Exploration Corporation · Section with this well →
| Nacatoch | 1,150 | -676 |
| Pecan Gap | 1,769 | -1,295 |
| Austin Chalk | 2,276 | -1,802 |
| Woodbine | 2,465 | -1,991 |
Blake, Ruth Starr42-467-30664
1.1 KM · Exxon Corp. · Section with this well →
| Nacatosh | 1,218 | -740 |
| Nacatoch | 1,218 | -740 |
| Macatoch | 1,218 | -740 |
| Pecan Gap | 1,743 | -1,265 |
| Taylor | 2,223 | -1,745 |
| Lewisville | 2,316 | -1,838 |
| Dexter A | 2,401 | -1,923 |
| Dexter B | 2,515 | -2,037 |
9 TOPS · FIRST 8
Blake, R.S.42-467-30744
1.1 KM · Exxon Corp. · Section with this well →
| Nacatoch | 1,308 | -809 |
| Pecan Gap | 1,760 | -1,261 |
| Austin Chalk | 2,157 | -1,658 |
| Eagle Ford | 2,345 | -1,846 |
| Lewisville "A" | 2,412 | -1,913 |
| Dexter "A" | 2,668 | -2,169 |
Blake, R. S. -A-42-467-30722
1.3 KM · Exxon Corp. · Section with this well →
| Pecan Gap | 1,804 | -1,308 |
| Austin Chalk | 2,050 | -1,554 |
| Eagle Ford | 2,233 | -1,737 |
| Lewisville 'A' | 2,278 | -1,782 |
| Lewisville | 2,278 | -1,782 |
| Lewisvill "A" | 2,278 | -1,782 |
| Dexter 'A' | 2,516 | -2,020 |
| Dexter "A" | 2,516 | -2,020 |
York, W. A. 1342-467-30968
1.3 KM · Union Oil Company of California · Section with this well →
| Pecan Gap | 1,780 | -1,303 |
| Austin Chalk | 2,236 | -1,759 |
| Woodbine | 2,569 | -2,092 |
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/46730983, documented in the API reference.