TEXAS · WELLS · ZAPATA COUNTY · YZAGUIRRE-LEO GAS UNIT LEASE · API 42-505-32801 · DISTRICT 04
Yzaguirre-Leo Gas Unit #5
Zapata County · Haynes (Middle Wilcox Cons.) field · Temp Abandoned · Vertical
Yzaguirre-Leo Gas Unit #5 (API 42-505-32801) is a well in Zapata County operated by Hilcorp Energy Company, completed September 11, 1991 and listed as temp abandoned on the RRC schedule, shut in November 1, 2004.
The RRC has issued one drilling permit, issued June 12, 1991, permitted to 11,680 ft.
It was permitted by Transamerican Natural Gas Corp. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, L/Wilcox.
Its lease has reported 176 barrels of oil and 417K mcf of gas since the record begins in January 1993, with no volume in the three years through August 2026.
Operator of record
Permitted by Transamerican Natural Gas Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,459
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Oct 2004 |
| Latest permit | Transamerican Natural Gas Corp.Jun 12, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,680
- total depth, ft
- 1
- permits on file
- Jun 12, 1991
- last permit issued
- Sep 11, 1991
- completed
- 176
- cumulative oil, bbl
- 417K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH OCT 2004
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 11, 1991
- Shut in
- Nov 1, 2004
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 |
|---|---|---|---|---|---|---|
| Yzaguirre-Leo Gas Unit G-4-139695 | Haynes (Middle Wilcox Cons.) | Hilcorp Energy Company | 1 | 176 | 417K | by Jan 1993 – Oct 2004 |
No volumes reported on these leases in the last three years.
Wells named Yzaguirre-Leo Gas Unit
Hilcorp Energy Company's other wells filed under this lease name in Zapata County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Transamerican Natural Gas Corp.Jan 1993 → Jul 1993
- 2Transtexas Gas CorporationAug 1993 → Apr 1996
- 3Houston Exploration Company, TheOct 1996 → Oct 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 388913-99 | Drill | Transamerican Natural Gas Corp. | Jun 12, 1991 | Jun 12, 1991 | Jun 29, 1991 | 11,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 11, 1991 | Yzaguirre-Leo Gas Unit G-4-139695 | Haynes (Middle Wilcox Cons.) | Hilcorp Energy Company | Temp Abandoned · shut in Nov 1, 2004 | 11,680 |
Formation tops
As filed on W-2/G-1. Subsea from 380 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 6,400 | -6,020 |
| L/Wilcox | 8,800 | -8,420 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,637 | 11,111 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 774 | 14.75 | 530 S |
| 7 | 8,898 | 8.75 | 265 S |
| 2.875 | 11,666 | 6.25 | 545 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 | Nov 27, 1991 | Oct 1, 1991 | Yes |
| 00 | Nov 1, 1991 | — | — |
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 42-505-32801 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32801 → 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/50532801, documented in the API reference.