WELL · 42-405-30172 · DISTRICT 6
Arco Unit #6 #6R
San Augustine County · Brookeland (Austin Chalk 8800) field · Horizontal
Arco Unit #6 #6R (API 42-405-30172) is a plugged horizontal well in San Augustine County, plugged April 27, 2005, last operated by Sonerra Resources Corporation.
The RRC has issued one drilling permit, issued March 12, 1996, permitted to 8,500 ft.
It was permitted by Tana Oil And Gas Corporation and has since transferred to Sonerra Resources Corporation on the wellbore schedule.
Completion filings report 4 formation tops, including Wilcox, Saratoga, Blossom, Austin Chalk.
Its lease has reported 382 barrels of oil and 131 mcf of gas since July 1996, last reporting in March 2008.
Operator of record
Permitted by Tana Oil and Gas Corporation; the EWA schedule now lists a different operator.
Nacogdoches, TX · P-5 Y, filed Sep 4, 2025 · 191 permits on file · (936) 569-3550
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sonerra Resources Corporation |
| Production reports | Tana Oil and Gas Corporationthrough Mar 1997 |
| Latest permit | Tana Oil and Gas CorporationMar 12, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- Mar 12, 1996
- last permit issued
- Jul 1, 1996
- completed
- 382
- cumulative oil, bbl
- 131
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1996 THROUGH Mar 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 1, 1996
- Shut in
- —
- Plugged
- Apr 27, 2005
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Arco Unit #6 O-6-13843 | Brookeland (Austin Chalk, 8800) | Sonerra Resources Corporation | 1 | 382 | 131 | Jul 1996 – Mar 2008 |
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 CorporationJul 1996 → Mar 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 445755-99 | Drill | Tana Oil and Gas Corporation | Mar 11, 1996 | Mar 12, 1996 | May 27, 1996 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-6-13843 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 243 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 3,200 | -2,957 |
| Saratoga | 7,000 | -6,757 |
| Blossom | 7,500 | -7,257 |
| Austin Chalk | 8,050 | -7,807 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,083 | 8,354 | Perforated |
| 8,083 | 8,527 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,255 | 12.25 | 622 S |
| 7 | 8,038 | 8.75 | 280 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 | Oct 16, 1998 | Aug 7, 1996 | Yes |
| 00 | Aug 7, 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 42-405-30172 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-405-30172 → 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/40530172, documented in the API reference.