WELL · 42-427-32161 · DISTRICT 4

Block/Guerra #1

N

Starr County · Arroyo Los Olmos (Guerra Sand) field  · Vertical

Block/Guerra #1 (API 42-427-32161) is a well in Starr County operated by Mortimer Exploration Company, completed February 7, 1987.

The RRC has issued one drilling permit, issued November 25, 1986, permitted to 6,000 ft.

Completion filings report one formation top, including Yegua.

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

Operator of record

Mortimer Exploration Company

San Antonio, TX · P-5 Inactive, filed Jun 26, 2003 · 108 permits on file · (210) 821-6168

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMortimer Exploration Company
Production reportsMortimer Production Companythrough Apr 2026
Latest permitMortimer Exploration CompanyNov 25, 1986

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
1
permits on file
Nov 25, 1986
last permit issued
Feb 7, 1987
completed
0
cumulative oil, bbl
2.71M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 7, 1987
Shut in
—
Plugged
—

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
Block/Guerra G-4-125090Arroyo Los Olmos (Guerra Sand)Mortimer Production Company102.71MJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 12,412 · prior 12 13,570(-9%)

01K2K3K202420252026

Chain of custody

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

  1. 1Mortimer Exploration CompanyJan 1993 → Sep 2003
  2. 2Mortimer Production CompanyOct 2003 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
323592-99DrillMortimer Exploration CompanyNov 25, 1986Nov 25, 1986—6,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-125090————

Formation tops

As filed on W-2/G-1. Subsea from 175 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA 124,060-3,885
YeguaYEGUA 265,350-5,175

Perforations

Perforated and open-hole intervals.

FromToType
5,3515,530Perforated
5,3515,533Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62576212.25450 S
74,4208.75248 S
4.55,7186.125150 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 17, 1988Aug 21, 1987—
00Dec 12, 1987——
00Apr 21, 1987Mar 20, 1987Yes
00Apr 11, 1987——

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/42732161, documented in the API reference.