TEXAS · WELLS · VAN ZANDT COUNTY · API 42-467-00615 · DISTRICT 05
Thompson I. W. 401 #4
Van Zandt County · Van (Shallow) field · Vertical
Thompson I. W. 401 #4 (API 42-467-00615) is a plugged well in Van Zandt County, plugged December 19, 2015, last operated by Basa Resources Inc..
The RRC has issued one drilling permit, issued April 8, 2002, permitted to 2,800 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 3 formation tops, including Nacatoch, Pecan Gap, Austin Chalk.
Its 2 leases have reported 7.33M barrels of oil and 4.68M mcf of gas since January 1993, last reporting volume in April 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 CaliforniaApr 8, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,800
- total depth, ft
- 1
- permits on file
- Apr 8, 2002
- last permit issued
- Apr 26, 2002
- completed
- 7.33M
- cumulative oil, bbl
- 4.68M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 26, 2002
- Shut in
- —
- Plugged
- Dec 19, 2015
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 – Apr 2026 |
| Thompson, I. W. 401 O-5-3736 | Van (Shallow) | Basa Resources, Inc. | 7 | 81.6K | 41.9K | May 2002 – Apr 2026 |
Oil, barrels lease total
Last 12 months 148,767 · prior 12 140,377(+6%)
Gas, mcf lease total
Last 12 months 63,032 · prior 12 62,569(+1%)
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 |
|---|---|---|---|---|---|---|
| 518892-99 | Recompletion | Union Oil Company of California | Apr 8, 2002 | Apr 8, 2002 | Apr 25, 2002 | 2,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 26, 2002 | Thompson I. W. 401 O-5-3736 | Van (Shallow) | Basa Resources Inc. | Plugged | — |
| — | Central Van Woodbine Unit O-5-2453 | Van (Central-Woodbine) | Basa Resources Inc. | Plugged | — |
| — | Thompson I. W. 401 O-5-1197 | Van | Basa Resources Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 514 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Nacatoch | 1,179 | -665 |
| Pecan Gap | 1,700 | -1,186 |
| Austin Chalk | 2,090 | -1,576 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,185 | 1,186 | Perforated |
| 1,198 | 1,202 | Perforated |
| 1,222 | 1,228 | Perforated |
| 1,239 | 1,253 | Perforated |
| 1,276 | 1,280 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 302 | — | 200 S |
| 7 | 2,340 | — | 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jun 24, 2002 | May 17, 2002 | Yes |
| 00 | May 24, 2002 | — | — |
| 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 42-467-00615 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-467-00615 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/46700615, documented in the API reference.