TEXAS · WELLS · ZAPATA COUNTY · YZAGUIRRE-LEO GAS UNIT LEASE · API 42-505-33822 · DISTRICT 04

Yzaguirre-Leo Gas Unit #7

On schedule

Zapata County · Haynes (Middle Wilcox Cons.) field · Producing  · Vertical

Permitted field
El Huerfano (10800)
The district's wildcat field is also on the permit.

Yzaguirre-Leo Gas Unit #7 (API 42-505-33822) is a well in Zapata County operated by Hilcorp Energy Company, completed September 10, 1998 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 2, 1998, permitted to 11,350 ft.

It was permitted by Houston Exploration Company, The and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Its lease has reported 335 barrels of oil and 905K mcf of gas since September 1998, last reporting volume in April 2026.

Operator of record

Hilcorp Energy Company

Permitted by Houston Exploration Company, The; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Mar 27, 2026
Permits on file
3,458
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHouston Exploration Company, TheJul 2, 1998

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,350
total depth, ft
1
permits on file
Jul 2, 1998
last permit issued
Sep 10, 1998
completed
335
cumulative oil, bbl
905K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · SEP 1998 THROUGH APR 2026

On this pageLease production

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 10, 1998
Shut in
—
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.

Loading the map…

Open the full map →

Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Yzaguirre-Leo Gas Unit G-4-170262Haynes (Middle Wilcox Cons.)Hilcorp Energy Company1335905KSep 1998 – Apr 2026

Gas, mcf lease total

Last 12 months 1,614 · prior 12 1,957(-18%)

0200400202420252026

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 wells

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Houston Exploration Company, TheSep 1998 → Jun 2007
  2. 2Forest Oil CorporationJul 2007 → Dec 2012
  3. 3Hilcorp Energy CompanyJan 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
477666-99DrillHouston Exploration Company, TheJul 2, 1998Jul 2, 1998Jul 19, 199811,900

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 10, 1998Yzaguirre-Leo Gas Unit G-4-170262Haynes (Middle Wilcox Cons.)Hilcorp Energy CompanyProducing11,350

Perforations

Perforated and open-hole intervals.

FromToType
10,52811,225Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
145717.7580 S
9.62576512.25297 S
79,0008.75364 S
4.511,3506.125280 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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Nov 2, 1998Oct 7, 1998Yes
00Oct 13, 1998——

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.

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/50533822, documented in the API reference.