TEXAS · WELLS · STARR COUNTY · MARGO/PENA LEASE · API 42-427-32370 · DISTRICT 04

Margo/Pena #2

Plugged

Starr County · Arroyo Los Olmos (Middle Yegua) field  · Vertical

Margo/Pena #2 (API 42-427-32370) is a plugged well in Starr County, plugged September 9, 2011, last operated by Mortimer Production Company.

The RRC has issued one drilling permit (amended once), issued October 24, 1989, permitted to 6,000 ft.

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

Completion filings report one formation top, including Yegua.

Operator of record

Mortimer Production Company

Permitted by Mortimer Exploration Company; the EWA schedule now lists a different operator.

Based in
San Antonio, TX
P-5 status
Active (A)
P-5 last filed
Sep 12, 2025
Permits on file
53
Phone
(210) 821-6168

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMortimer Production Company
Production reportsMortimer Exploration Companythrough Dec 1998
Latest permitMortimer Exploration CompanyOct 24, 1989

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

6,000
total depth, ft
2
permits on file
Oct 24, 1989
last permit issued
Jan 14, 1990
completed
0
cumulative oil, bbl
61K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2011

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 14, 1990
Shut in
—
Plugged
Sep 9, 2011

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
Margo/Pena G-4-133683Arroyo Los Olmos (Middle Yegua)Mortimer Production Company1061KJan 1993 – Sep 2011

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. 1Mortimer Exploration CompanyJan 1993 → Dec 1998

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
365586-98DrillMortimer Exploration CompanyJan 31, 1990Oct 24, 1989—6,000
365586-99DrillMortimer Exploration CompanyOct 24, 1989Oct 24, 1989—6,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 14, 1990Margo/Pena G-4-133683Arroyo Los Olmos (Middle Yegua)Mortimer Production CompanyPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 164 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaTOP OF YEGUA3,505-3,341

Perforations

Perforated and open-hole intervals.

FromToType
4,2734,279Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62551812.2580 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
00Mar 21, 1990Feb 5, 1990Yes
00Mar 16, 1990——

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/42732370, documented in the API reference.