WELL · 42-021-31472 · DISTRICT 1
Madison A #4
Bastrop County · Marsha field · Vertical
Madison A #4 (API 42-021-31472) is a plugged well in Bastrop County, plugged April 5, 2005, last operated by Weststar Petroleum Corporation.
The RRC has issued one drilling permit, issued March 15, 1993, permitted to 2,500 ft.
It was permitted by Avian Tech International, Inc. and has since transferred to Weststar Petroleum Corporation on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 465 barrels of oil and 16 mcf of gas since May 1993, last reporting in July 2026.
Operator of record
Weststar Petroleum Corporation
Permitted by Avian Tech International, Inc.; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed Dec 3, 2004
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Weststar Petroleum Corporation |
| Production reports | Enex Resources Corporationthrough Oct 1995 |
| Latest permit | Avian Tech International, Inc.Mar 15, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,500
- total depth, ft
- 1
- permits on file
- Mar 15, 1993
- last permit issued
- May 14, 1993
- completed
- 465
- cumulative oil, bbl
- 16
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 14, 1993
- Shut in
- —
- Plugged
- Apr 5, 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 |
|---|---|---|---|---|---|---|
| Madison "A" O-1-13735 | Marsha | Weststar Petroleum Corporation | 1 | 465 | 16 | May 1993 – 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.
- 1Avian Tech International, Inc.May 1993 → Feb 1994
- 2Regal Petroleum ServicesApr 1994 → Apr 1994
- 3Enex Resources CorporationMay 1994 → Oct 1994
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 409832-99 | Drill | Avian Tech International, Inc. | Mar 15, 1993 | Mar 15, 1993 | Mar 19, 1993 | 2,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13735 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,954 | 2,074 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 2,150 | 7.875 | 382 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 | Jul 2, 1993 | May 27, 1993 | Yes |
| 00 | Jun 9, 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 42-021-31472 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-021-31472 → 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/02131472, documented in the API reference.