WELL · 42-427-33905 · DISTRICT 4

LA Liebre #1

Y

Starr County · Pedernal (Queen City) field · Shut IN  · Vertical

La Liebre #1 (API 42-427-33905) is a well in Starr County operated by Mortimer Production Company, completed December 15, 2005 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued November 4, 2005, permitted to 5,300 ft.

It was permitted by Bommer Engineering CO. and has since transferred to Mortimer Production Company on the wellbore schedule.

Completion filings report one formation top, including Queen City.

Its lease has reported 198K barrels of oil and 195K mcf of gas since December 2005, last reporting in July 2026.

Operator of record

Mortimer Production Company

Permitted by Bommer Engineering Co.; the EWA schedule now lists a different operator.

San Antonio, TX · P-5 Y, filed Jun 4, 2026 · 53 permits on file · (210) 821-6168

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMortimer Production Company
Production reportsMortimer Production Companythrough Jul 2023
Latest permitBommer Engineering Co.Nov 4, 2005

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

5,300
total depth, ft
1
permits on file
Nov 4, 2005
last permit issued
Dec 15, 2005
completed
198K
cumulative oil, bbl
195K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 15, 2005
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
LA Liebre O-4-13349Pedernal (Queen City)Mortimer Production Company1198K195KDec 2005 – Jul 2026

Oil, barrels lease total

Last 12 months 0 · prior 12 0

0102030202420252026

Chain of custody

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

  1. 1Bommer Engineering Co.Dec 2005 → Apr 2007
  2. 2Mortimer Production CompanyMay 2007 → Jul 2023
  3. 3Rlu Operating, LLCApr 2009 → Dec 2019

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
609033-99DrillBommer Engineering Co.Nov 4, 2005Nov 4, 2005Nov 13, 20055,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-4-13349————

Formation tops

As filed on W-2/G-1. Subsea from 370 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City4,485-4,115

Perforations

Perforated and open-hole intervals.

FromToType
4,4854,489Perforated
4,4934,506Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62591612.25465 S
4.55,3067.875580 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
00Sep 14, 2006Jan 23, 2006Yes
00May 16, 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/42733905, documented in the API reference.