WELL · 42-409-32963 · DISTRICT 4

Mayo #91H

N

San Patricio County · Taft (4000) field  · Horizontal

Mayo #91H (API 42-409-32963) is a horizontal well in San Patricio County operated by Harrigan Operating LLC, completed October 5, 2011.

The RRC has issued one drilling permit, issued September 3, 2011, permitted to 3,950 ft.

Completion filings report one formation top, including Catahoula.

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

Operator of record

Harrigan Operating LLC

Houston, TX · P-5 Y, filed May 12, 2020 · 3 permits on file · (713) 828-2070

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHarrigan Operating LLC
Production reportsCorriente Operating Company LLCthrough Feb 2026
Latest permitHarrigan Operating, LLCSep 3, 2011

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

3,950
total depth, ft
1
permits on file
Sep 3, 2011
last permit issued
Oct 5, 2011
completed
0
cumulative oil, bbl
490K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 5, 2011
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Mayo G-4-269588Taft (4000)Corriente Operating Company LLC10490KMar 2012 – Jul 2026
Mayo O-4-13682Taft (4000)Harrigan Operating, LLC100Oct 2011 – Sep 2013

Gas, mcf lease total

Last 12 months 3,425 · prior 12 9,112(-62%)

01K2K202420252026

Chain of custody

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

  1. 1Harrigan Operating, LLCMar 2012 → Mar 2020
  2. 2Corriente Operating Company LLCMay 2020 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
723275-99DrillHarrigan Operating, LLCAug 29, 2011Sep 3, 2011Sep 14, 20113,950

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-269588————
—— O-4-13682————

Formation tops

As filed on W-2/G-1. Subsea from 57 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula——

Perforations

Perforated and open-hole intervals.

FromToType
4,2484,915Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62575012.25495 S
4.54,9157.875280 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 4, 2013Mar 28, 2012—
00Feb 17, 2012Oct 13, 2011—

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/40932963, documented in the API reference.