WELL · 42-501-33072 · DISTRICT 8
Nielsen A #2
Yoakum County · Mary Two (Devonian) field · Vertical
Nielsen A #2 (API 42-501-33072) is a plugged well in Yoakum County, plugged August 16, 1996, last operated by Whiting Petroleum Corporation.
The RRC has issued one drilling permit, issued May 29, 1986, permitted to 13,200 ft.
It was permitted by Estoril Producing Corporation and has since transferred to Whiting Petroleum Corporation on the wellbore schedule.
Completion filings report 6 formation tops, including Yates, San Andres, Wolfcamp, Strawn.
Operator of record
Permitted by Estoril Producing Corporation; the EWA schedule now lists a different operator.
Denver, CO · P-5 Y, filed Sep 5, 2003 · 97 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Whiting Petroleum Corporation |
| Production reports | Estoril Producing Corporationthrough Mar 1993 |
| Latest permit | Estoril Producing CorporationMay 29, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,200
- total depth, ft
- 1
- permits on file
- May 29, 1986
- last permit issued
- Aug 2, 1986
- completed
- 0
- cumulative oil, bbl
- 1
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 1996
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 2, 1986
- Shut in
- —
- Plugged
- Aug 16, 1996
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 |
|---|---|---|---|---|---|---|
| Nielsen "A" O-11-65836 | Mary Two (Devonian) | Whiting Petroleum Corporation | 1 | 0 | 1 | Jan 1993 – Sep 1996 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 302719-99 | Drill | Estoril Producing Corporation | Apr 28, 1986 | May 29, 1986 | Jun 10, 1986 | 13,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-65836 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,522 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,142 | 13,156 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.625 | 423 | 17.5 | 400 S |
| 8.625 | 5,103 | 11 | 700 S |
| 5.5 | 13,185 | 7.875 | 1,130 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 | Aug 12, 1986 | Aug 5, 1986 | Yes |
| 00 | Aug 9, 1986 | — | — |
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 42-501-33072 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-33072 → 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/50133072, documented in the API reference.