WELL · 42-351-30563 · DISTRICT 6
Arco-Vastar Unit A-172A #2
Newton County · Brookeland (Austin Chalk 8800) field · Horizontal
Arco-Vastar Unit A-172a #2 (API 42-351-30563) is a plugged horizontal well in Newton County, plugged February 17, 1998, last operated by Union Pacific Resources Company.
The RRC has issued one drilling permit, issued March 3, 1993, permitted to 13,000 ft.
It was permitted by Arco Oil & Gas CO. and has since transferred to Union Pacific Resources Company on the wellbore schedule.
Completion filings report 5 formation tops, including Midway, Saratoga, Taylor, Austin Chalk.
Its lease has reported 43K barrels of oil and 218K mcf of gas since August 1993, last reporting in March 1998.
Operator of record
Union Pacific Resources Company
Permitted by Arco Oil & Gas Co.; the EWA schedule now lists a different operator.
Fort Worth, TX · P-5 Y, filed Feb 9, 2001 · 5,638 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Union Pacific Resources Company |
| Production reports | Vastar Resources, Inc.through Feb 1995 |
| Latest permit | Arco Oil & Gas Co.Mar 3, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,000
- total depth, ft
- 1
- permits on file
- Mar 3, 1993
- last permit issued
- Jul 15, 1993
- completed
- 43K
- cumulative oil, bbl
- 218K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1993 THROUGH Mar 1998
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 15, 1993
- Shut in
- —
- Plugged
- Feb 17, 1998
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-Vastar Unit A-172A O-6-13211 | Brookeland (Austin Chalk, 8800) | Union Pacific Resources Company | 1 | 43K | 218K | Aug 1993 – Mar 1998 |
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.
- 1Arco Oil & Gas Co.Aug 1993 → Feb 1994
- 2Vastar Resources, Inc.Mar 1994 → Feb 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 409503-99 | Drill | Arco Oil & Gas Co. | Mar 3, 1993 | Mar 3, 1993 | Mar 30, 1993 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-6-13211 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 374 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 7,055 | -6,681 |
| Saratoga | 8,223 | -7,849 |
| Taylor | 8,930 | -8,556 |
| Austin Chalk | 9,175 | -8,801 |
| Ector Member | 9,599 | -9,225 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,839 | 12,131 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,210 | 13.5 | 1,050 S |
| 7.625 | 9,173 | 9.875 | 780 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 | Dec 8, 1993 | Aug 6, 1993 | Yes |
| 00 | Nov 1, 1993 | — | — |
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 42-351-30563 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-351-30563 → 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/35130563, documented in the API reference.