WELL · 42-505-32456 · DISTRICT 4
Tesoro-Yzaguirre #1
Zapata County · Lopeno (Wilcox J) field · Vertical
Tesoro-Yzaguirre #1 (API 42-505-32456) is a well in Zapata County operated by Amax Oil & Gas Inc., completed August 27, 1988.
The RRC has issued 3 drilling permits between 1988 and 1990, permitted to 15,000 ft.
Completion filings report 3 formation tops, including Queen City, Reklaw, Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Fort Worth, TX · P-5 Y, filed Sep 5, 2003 · 302 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Amax Oil & Gas Inc. |
| Production reports | Apache Corporationthrough May 2003 |
| Latest permit | Amax Oil & Gas Inc.Nov 28, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,000
- total depth, ft
- 3
- permits on file
- Nov 28, 1990
- last permit issued
- Aug 27, 1988
- completed
- 0
- cumulative oil, bbl
- 525K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 27, 1988
- Shut in
- —
- Plugged
- —
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tesoro-Yzaguirre G-4-137162 | Lopeno (Wilcox I) | Vantage Operating II, LLC | 1 | 0 | 525K | Jan 1993 – Jul 2026 |
| — G-4-130550 | — | — | 0 | 0 | 0 | — |
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.
- 1Amax Oil & Gas Inc.Jan 1993 → Mar 1994
- 2Union Pacific Resources CompanyApr 1994 → Jan 1999
- 3Collins & Ware, Inc.Feb 1999 → Jun 2000
- 4Apache CorporationJul 2000 → May 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 381435-99 | Recompletion | Amax Oil & Gas Inc. | Nov 21, 1990 | Nov 28, 1990 | — | 15,000 |
| 358484-99 | Recompletion | Amax Oil & Gas Inc. | Apr 24, 1989 | Apr 26, 1989 | — | 11,700 |
| 346753-99 | Drill | SPG Exploration, Corp. | May 19, 1988 | May 23, 1988 | — | 15,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-130550 | — | — | — | — |
| — | — G-4-137162 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 447 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,325 | 10,339 | Perforated |
| 11,060 | 11,082 | Perforated |
| 11,510 | 11,520 | Perforated |
| 11,650 | 11,660 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 516 | 17 | 335 S |
| 9.625 | 6,400 | 12.25 | 847 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 | Jun 10, 1991 | Dec 27, 1990 | — |
| 00 | Mar 12, 1991 | — | — |
| 00 | Jun 28, 1989 | Apr 17, 1989 | Yes |
| 00 | May 6, 1989 | — | — |
| 00 | Nov 29, 1988 | Sep 29, 1988 | — |
| 00 | Oct 21, 1988 | — | — |
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 42-505-32456 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32456 → 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/50532456, documented in the API reference.