WELL · 42-405-30164 · DISTRICT 6
Arco Fee Unit #4 #4ST
San Augustine County · Brookeland (Austin Chalk 8800) field · Horizontal
Arco Fee Unit #4 #4ST (API 42-405-30164) is a plugged horizontal well in San Augustine County, plugged May 5, 2021, last operated by Radius Operating LLC.
The RRC has issued 2 drilling permits (amended 4 times) between 1995 and 2007, permitted to 14,460 ft.
It was permitted by KT Operating Company LLC and has since transferred to Radius Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Midway, Saratoga, Satatoga, Austin Chalk.
Its lease has reported 132K barrels of oil and 610K mcf of gas since May 1995, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by KT Operating Company LLC; the EWA schedule now lists a different operator.
Round Rock, TX · P-5 Y, filed May 29, 2025 · 4 permits on file · (979) 212-1140
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Radius Operating LLC |
| Production reports | Radius Operating, LLCthrough Sep 2012 |
| Latest permit | KT Operating Company LLCAug 1, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,460
- total depth, ft
- 6
- permits on file
- Aug 1, 2007
- last permit issued
- Sep 26, 2007
- completed
- 132K
- cumulative oil, bbl
- 610K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1995 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 26, 2007
- Shut in
- —
- Plugged
- May 5, 2021
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 lease this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Arco Fee Unit #4 O-6-13479 | Brookeland (Austin Chalk, 8800) | Radius Operating, LLC | 2 | 132K | 610K | May 1995 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Tana Oil and Gas CorporationJun 1995 → Mar 1999
- 2Basa Resources, Inc.Apr 1999 → Dec 2005
- 3Ridgeland Operating Company, LLCJan 2006 → Nov 2006
- 4KT Operating Company LLCMay 2007 → Feb 2010
- 5Radius Operating, LLCMar 2010 → Sep 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 642454-96 | Recompletion | KT Operating Company LLC | Jul 11, 2008 | Aug 1, 2007 | Aug 28, 2007 | 14,460 |
| 642454-97 | Recompletion | KT Operating Company LLC | Jun 6, 2008 | Aug 1, 2007 | Aug 28, 2007 | 14,460 |
| 642454-98 | Recompletion | KT Operating Company LLC | Aug 17, 2007 | Aug 1, 2007 | — | 9,800 |
| 642454-99 | Recompletion | KT Operating Company LLC | Jul 12, 2007 | Aug 1, 2007 | — | 9,800 |
| 433444-98 | Drill | Tana Oil and Gas Corporation | Nov 30, 1995 | Mar 6, 1995 | Apr 27, 1995 | 10,000 |
| 433444-99 | Drill | Tana Oil and Gas Corporation | Mar 2, 1995 | Mar 6, 1995 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-6-13479 | — | — | — | — |
| — | — O-6-13479 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 182 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 6,400 | -6,218 |
| Saratoga | 7,500 | -7,318 |
| Satatoga | 7,500 | -7,318 |
| Austin Chalk | 8,580 | -8,398 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,650 | 10,833 | Perforated |
| 8,650 | 12,816 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,318 | 12.25 | 624 S |
| 7 | 8,615 | 8.75 | 355 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 13, 2009 | Nov 20, 2008 | — |
| 00 | Dec 29, 2008 | Jun 2, 2008 | Yes |
| 00 | Jul 25, 2008 | Jun 26, 1995 | Yes |
| 00 | Mar 5, 1996 | Jun 26, 1995 | Yes |
| 00 | Jan 10, 1996 | — | — |
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 42-405-30164 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-405-30164 → 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/40530164, documented in the API reference.