TEXAS · WELLS · ZAPATA COUNTY · VILLARREAL-ZAPATA LEASE · API 42-505-33907 · DISTRICT 04
Villarreal-Zapata #4
Zapata County · Urebeno South (Wilcox 7000) field · Producing · Vertical
Villarreal-Zapata #4 (API 42-505-33907) is a well in Zapata County operated by Varas Energy Operating Company, completed April 3, 1999 and listed as producing on the RRC schedule, shut in October 1, 2024.
The RRC has issued one drilling permit, issued February 25, 1999, permitted to 7,193 ft.
It was permitted by Enron Oil & Gas Company and has since transferred to Varas Energy Operating Company on the wellbore schedule.
Completion filings report one formation top, including Wilcox.
Its lease has reported 2.74K barrels of oil and 910K mcf of gas since April 1999, last reporting volume in September 2024.
Operator of record
Varas Energy Operating Company
Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 9, 2025
- Phone
- (713) 858-3002
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Varas Energy Operating Company |
| Production reports | Varas Energy Operating Company,through Sep 2024 |
| Latest permit | Enron Oil & Gas CompanyFeb 25, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,193
- total depth, ft
- 1
- permits on file
- Feb 25, 1999
- last permit issued
- Apr 3, 1999
- completed
- 2.74K
- cumulative oil, bbl
- 910K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 1999 THROUGH Sep 2024
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 3, 1999
- Shut in
- Oct 1, 2024
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Villarreal-Zapata G-4-172578 | Urebeno, South (Wilcox 7000) | Varas Energy Operating Company, | 1 | 2.74K | 910K | Apr 1999 – Sep 2024 |
Gas, mcf lease total
Last 12 months 0 · prior 12 4,039(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyApr 1999 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Jun 2013
- 3Bluestone Natural Res. II, LLCSep 2013 → Dec 2019
- 4Blackbeard Operating, LLCJan 2020 → Nov 2020
- 5Hugoton Operating Company, Inc.Dec 2020 → Sep 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 482942-99 | Drill | Enron Oil & Gas Company | Feb 25, 1999 | Feb 25, 1999 | Mar 4, 1999 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 3, 1999 | Villarreal-Zapata G-4-172578 | Urebeno South (Wilcox 7000) | Varas Energy Operating Company | Producing · shut in Oct 1, 2024 | 7,193 |
Formation tops
As filed on W-2/G-1. Subsea from 334 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,806 | 6,850 | Perforated |
| 6,886 | 6,918 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,034 | 12.25 | 355 S |
| 7 | 5,820 | 8.75 | 260 S |
| 2.875 | 7,193 | 6.25 | 400 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 10, 1999 | Apr 23, 1999 | Yes |
| 00 | Apr 29, 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 42-505-33907 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33907 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/50533907, documented in the API reference.