WELL · 42-481-34075 · DISTRICT 3
Vastar-Duncan E #4
Wharton County · Egypt (7950) field · Vertical
Vastar-Duncan E #4 (API 42-481-34075) is a plugged well in Wharton County, plugged October 9, 2001, last operated by Walter Oil & Gas Corporation.
The RRC has issued 2 drilling permits (amended once) between 1998 and 2001, permitted to 8,000 ft.
Completion filings report one formation top, including Yegua.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 28, 2025
- Permits on file
- 193
- Phone
- (713) 659-1221
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Walter Oil & Gas Corporation |
| Production reports | Walter Oil & Gas Corporationthrough Jul 2001 |
| Latest permit | Walter Oil & Gas CorporationMay 10, 2001 |
- 8,000
- total depth, ft
- 3
- permits on file
- May 10, 2001
- last permit issued
- Oct 30, 1998
- completed
- 0
- cumulative oil, bbl
- 2.59M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1998 THROUGH Nov 2001
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 30, 1998
- Shut in
- —
- Plugged
- Oct 9, 2001
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Vastar-Duncan "E" G-3-171201 | Egypt (7950) | Walter Oil & Gas Corporation | 1 | 0 | 2.58M | Oct 1998 – Nov 2001 |
| Vastar-Duncan "E" G-3-184450 | Bernard, W. (Wintermann EY 6800) | Walter Oil & Gas Corporation | 1 | 0 | 7.61K | May 2001 – Oct 2001 |
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.
- 1Walter Oil & Gas CorporationOct 1998 → Jul 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 508828-99 | Recompletion | Walter Oil & Gas Corporation | May 10, 2001 | May 10, 2001 | May 18, 2001 | 6,900 |
| 479656-98 | Drill | Walter Oil & Gas Corporation | Nov 9, 1998 | Sep 23, 1998 | Oct 1, 1998 | 8,000 |
| 479656-99 | Drill | Walter Oil & Gas Corporation | Sep 23, 1998 | Sep 23, 1998 | — | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-171201 | — | — | — | — |
| — | — G-3-184450 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 16 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 6,730 | -6,714 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,858 | 6,862 | Perforated |
| 7,941 | 7,948 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,504 | 12.25 | 930 S |
| 2.875 | 8,000 | 8.75 | 730 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 | Nov 20, 2001 | Aug 23, 2001 | Yes |
| 00 | Sep 25, 2001 | — | — |
| 00 | Jan 15, 1999 | Nov 6, 1998 | Yes |
| 00 | Jan 8, 1999 | — | — |
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 42-481-34075 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-481-34075 → 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/48134075, documented in the API reference.