WELL · 42-215-31656 · DISTRICT 4
Hidalgo - Willacy #4A
Hidalgo County · Texan Gardens (O East) field · Vertical
Hidalgo - Willacy #4A (API 42-215-31656) is a plugged well in Hidalgo County, plugged February 15, 2012, last operated by Wynn-Crosby Operating Ltd..
The RRC has issued one drilling permit (amended once), issued September 23, 1985, permitted to 9,500 ft.
It was permitted by Tana Oil & Gas Corp. and has since transferred to Wynn-Crosby Operating Ltd. on the wellbore schedule.
Completion filings report one formation top, including Frio.
Operator of record
Permitted by Tana Oil & Gas Corp.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Aug 4, 2025 · 41 permits on file · (972) 380-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Wynn-Crosby Operating Ltd. |
| Production reports | Texaco E & P Inc.through Oct 1995 |
| Latest permit | Tana Oil & Gas Corp.Sep 23, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 2
- permits on file
- Sep 23, 1985
- last permit issued
- Dec 21, 1995
- completed
- 0
- cumulative oil, bbl
- 241K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 21, 1995
- Shut in
- —
- Plugged
- Feb 15, 2012
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 |
|---|---|---|---|---|---|---|
| Hidalgo - Willacy G-4-128754 | Texan Gardens (O, East) | Wynn-Crosby Operating, Ltd. | 1 | 0 | 0 | Jan 1993 – Feb 2012 |
| Hidalgo - Willacy G-4-119942 | Tabasco, North (R, FB-2) | Texaco E & P Inc. | 1 | 0 | 241K | Jan 1993 – Feb 2000 |
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.
- 1Texaco E & P Inc.Jan 1993 → Oct 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 285720-98 | Drill | Tana Oil & Gas Corp. | Sep 9, 1988 | Sep 23, 1985 | — | 8,750 |
| 285720-99 | Drill | Tana Oil & Gas Corp. | Nov 6, 1985 | Sep 23, 1985 | Nov 12, 1985 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-119942 | — | — | — | — |
| — | — G-4-128754 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 227 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,061 | 8,143 | Perforated |
| 8,552 | 8,622 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,765 | 14.75 | 890 S |
| 7.625 | 8,172 | 9.375 | 655 S |
| 7.625 | 8,172 | 9.875 | 655 S |
| 5 | 8,750 | 6.75 | 150 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 | Feb 4, 1997 | Dec 10, 1996 | — |
| 00 | Dec 5, 1988 | Oct 28, 1988 | — |
| 00 | Nov 4, 1988 | — | — |
| 00 | Feb 27, 1986 | Feb 10, 1986 | Yes |
| 00 | Feb 19, 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 42-215-31656 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-215-31656 → 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/21531656, documented in the API reference.