WELL · 42-177-34581 · DISTRICT 1

M&M #1H

Plugged

Gonzales County · First Shot (Austin Chalk) field  · Horizontal

M&M #1H (API 42-177-34581) is a plugged horizontal well in Gonzales County, plugged September 27, 2023, last operated by Millennium Exploration CO. LLC.

The RRC has issued one drilling permit, issued January 19, 2023, permitted to 8,100 ft.

Completion filings report 8 formation tops, including Wilcox, Navarro, Austin Chalk, Buda.

Operator of record

Millennium Exploration Co. LLC

San Antonio, TX · P-5 Y, filed Sep 4, 2025 · 41 permits on file · (210) 723-3789

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMillennium Exploration Co. LLC
Production reportsnone
Latest permitMillennium Exploration Co. LLCJan 19, 2023
8,100
total depth, ft
1
permits on file
Jan 19, 2023
last permit issued
Apr 3, 2023
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 3, 2023
Shut in
—
Plugged
Sep 27, 2023

Surface location

29.361598, -97.539452

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Gonzales County.

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
M&M O-1-21089First Shot (Austin Chalk)Millennium Exploration Co. LLC100Apr 2023 – Jul 2026

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
887334-99DrillMillennium Exploration Co. LLCJan 16, 2023Jan 19, 2023Feb 27, 20238,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-21089————

Formation tops

As filed on W-2/G-1. Subsea from 22 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL5,170-5,148
Navarro6,100-6,078
Austin ChalkAUSTIN CHALK - H2S7,833-7,811
BudaBUDA - H2S, DISPOSAL——
Carrizo——
Eagle FordEAGLE FORD - H2S——
EdwardsEDWARDS - H2S——
Reklaw——

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,05712.25799 S
77,9788.75520 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
00Nov 21, 2023Jul 13, 2023—

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Cyclone 'D-M' Unit42-177-33958

2.2 KM · Lonestar Operating, LLC · Section with this well →

Reklaw2,000-1,742
Carrizo2,600-2,342
Wilcox5,923-5,665
Navarro6,182-5,924
Austin Chalk8,044-7,786
Eagle Ford8,431-8,173
Edwards—
Buda—

Cyclone 'D-M' Unit42-177-33959

2.2 KM · Lonestar Operating, LLC · Section with this well →

Reklaw2,000-1,743
Carrizo2,600-2,343
Wilcox5,919-5,662
Navarro6,157-5,900
Austin Chalk8,013-7,756
Eagle Ford8,433-8,176
Edwards—
Buda—

Cyclone E A42-177-34190

2.5 KM · Lonestar Operating, LLC · Section with this well →

Reklaw2,000-1,709
Carrizo2,320-2,029
Wilcox3,570-3,279
Navarro6,337-6,046
Austin Chalk8,096-7,805
Eagle Ford8,491-8,200
Edwards—
Buda—

Cyclone E B42-177-34191

2.5 KM · Lonestar Operating, LLC · Section with this well →

Reklaw2,000-1,709
Carrizo2,320-2,029
Wilcox3,581-3,290
Navarro6,363-6,072
Austin Chalk8,087-7,796
Eagle Ford8,490-8,199
Buda—
Edwards—

Cyclone E C42-177-34192

2.5 KM · Lonestar Operating, LLC · Section with this well →

Reklaw2,000-1,709
Carrizo2,320-2,029
Wilcox3,562-3,271
Navarro6,306-6,015
Austin Chalk8,070-7,779
Eagle Ford8,476-8,185
Buda—
Edwards—

Southern Cross42-177-34731

3.6 KM · Modern Exploration, Inc. · Section with this well →

Reklaw2,005-1,715
Carrizo2,400-2,110
Wilcox3,590-3,300
Navarro6,350-6,060
Austin Chalk7,585-7,295
Eagle Ford8,078-7,788
Buda—
Edwards—

Cyclone A42-177-34685

4.1 KM · Baytex Energy USA, Inc. · Section with this well →

Anacacho8,082-7,836
Austin Chalk8,245-7,999
Eagle Ford8,610-8,364
Edwards—
Carrizo—
Wilcox—
Buda—
Navarro—

9 TOPS · FIRST 8

Cyclone A42-177-34684

4.1 KM · Baytex Energy USA, Inc. · Section with this well →

Anacacho8,136-7,889
Austin Chalk8,293-8,046
Eagle Ford8,666-8,419
Navarro—
Edwards—
Reklaw—
Carrizo—
Buda—

9 TOPS · FIRST 8

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/17734581, documented in the API reference.