TEXAS · WELLS · ZAPATA COUNTY · LEONARDO LEASE · API 42-505-35339 · DISTRICT 04

Leonardo #44

Shut in

Zapata County · Munoz (Lobo) field · Temp Abandoned  · Vertical

Leonardo #44 (API 42-505-35339) is a well in Zapata County operated by Hilcorp Energy Company, completed September 25, 2008 and listed as temp abandoned on the RRC schedule, shut in March 1, 2019.

The RRC has issued one drilling permit, issued August 29, 2005, permitted to 12,860 ft.

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

Completion filings report 3 formation tops, including Lobo Unconformity, Top Lobo Stray 1, Base Lobo Stray 2.

No lease production has been reported under this well’s leases.

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
3,454
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Jun 2020
Latest permitHouston Exploration Company, TheAug 29, 2005

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

12,860
total depth, ft
1
permits on file
Aug 29, 2005
last permit issued
Sep 25, 2008
completed
0
cumulative oil, bbl
21K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 25, 2008
Shut in
Mar 1, 2019
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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Leonardo G-4-216583Munoz (Lobo)Hilcorp Energy Company1021KDec 2005 – Jul 2026

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.

  1. 1Houston Exploration Company, TheDec 2005 → May 2007
  2. 2Forest Oil CorporationJul 2007 → Dec 2012
  3. 3Hilcorp Energy CompanyJan 2013 → Jun 2020

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
604311-99DrillHouston Exploration Company, TheAug 2, 2005Aug 29, 2005Nov 4, 200513,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 25, 2008Leonardo G-4-216583Munoz (Lobo)Hilcorp Energy CompanyTemp Abandoned · shut in Mar 1, 201912,860

Formation tops

As filed on W-2/G-1. Subsea from 404 ft elevation.Download CSV →

FormationMD ftSubsea
Lobo Unconformity10,948-10,544
Top Lobo Stray 111,247-10,843
Base Lobo Stray 211,654-11,250

Perforations

Perforated and open-hole intervals.

FromToType
11,16911,177Perforated
11,24711,258Perforated
11,24711,262Perforated
11,64711,653Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7576214.75590 S
7.6258,3809.875400 S
4.511,8956.75510 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Dec 31, 2008Oct 24, 2008—
00Oct 10, 2006Feb 21, 2006Yes
00Jun 27, 2006——

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 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/50535339, documented in the API reference.