WELL · 42-015-31068 · DISTRICT 3

Endurance #1H

N

Austin County  · Horizontal

Endurance #1H (API 42-015-31068) is a permitted horizontal well in Austin County filed by Ironroc Energy; no completion report is on file yet.

The RRC has issued 2 drilling permits (amended once) between 2020 and 2022, permitted to 15,500 ft.

Completion filings report 9 formation tops, including Frio, Miocene (undifferentiated), Yegua, Vicksburg.

Operator of record

Ironroc Energy

The Woodlands, TX · P-5 Y, filed Feb 4, 2026 · 36 permits on file · (346) 327-1250

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsnone
Latest permitCarr Resources, Inc.Nov 28, 2022
15,500
total depth, ft
3
permits on file
Nov 28, 2022
last permit issued
—
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

30.014360, -96.487439

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Austin 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
Endurance G-3-298565Giddings (Austin Chalk, Gas)Carr Resources, Inc.100Jan 2023 – Jul 2026

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
885831-98DrillIronroc EnergyDec 11, 2022Nov 28, 2022Dec 1, 202215,500
885831-99DrillCarr Resources, Inc.Nov 17, 2022Nov 28, 2022—15,500
863823-99DrillCarr Resources, Inc.Jun 4, 2020Jun 8, 2020—15,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-3-298565————

Formation tops

As filed on W-2/G-1. Subsea from 365 ft elevation.Download CSV →

FormationMD ftSubsea
FrioFRIO - DISPOSAL1,300-935
Miocene (undifferentiated)MIOCENE - DISPOSAL2,260-1,895
YeguaYEGUA - DISPOSAL2,650-2,285
VicksburgVICKSBURG - DISPOSAL2,920-2,555
WilcoxWILCOX - DISPOSAL6,242-5,877
WilcoxLOWER WILCOX9,472-9,107
Navarro12,099-11,734
Cockfield - Disposal——
Cook MountainCOOK MOUNTAIN - DISPOSAL——
Eagle FordEAGLE FORD - DISPOSAL——

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,86417.52,440 S
9.62512,08312.252,410 S
5.521,4458.52,491 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
00Feb 7, 2025Nov 14, 2024Yes

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 →

Huebner-Klaus A.C. Gas Unit NO.142-015-31065

0.8 KM · Carr Resources, Inc. · Section with this well →

Frio1,300-978
Miocene (undifferentiated)2,260-1,938
Yegua2,650-2,328
Vicksburg2,920-2,598
Queen City4,793-4,471
Recklaw5,545-5,223
Wilcox6,240-5,918
Wilcox10,547-10,225

13 TOPS · FIRST 8

Vimy Ridge Unit42-015-31081

8.2 KM · Verdun Oil & Gas LLC · Section with this well →

Yegua1,200-910
Cook Mountain3,853-3,563
Wilcox5,601-5,311
Giddings (Austin Chalk, Gas)13,904-13,614
Austin Chalk14,010-13,720
Miocene (undifferentiated)—
Cockfield - Disposal—
Eagle Ford—

10 TOPS · FIRST 8

Mons Unit42-015-31082

8.2 KM · Verdun Oil & Gas LLC · Section with this well →

Yegua1,200-910
Yegua1,200-910
Cockfield - Disposal2,654-2,364
Cockfield-Disposal2,656-2,366
Wilcox5,283-4,993
Wilcox5,326-5,036
Austin Chalk13,996-13,706
Miocene (undifferentiated)—

12 TOPS · FIRST 8

Belleau Wood42-015-31059

9.8 KM · Verdun Oil & Gas LLC · Section with this well →

Wilcox7,200-6,787
Pecan Gap12,612-12,199
Austin Chalk13,667-13,254
Eagle Ford—
Cook Mountain—
Cockfield - Disposal—
Miocene (undifferentiated)—
Frio—

10 TOPS · FIRST 8

Tannenberg42-015-31073

9.8 KM · Verdun Oil & Gas LLC · Section with this well →

Yegua1,250-836
Cockfield - Disposal2,679-2,265
Wilcox5,330-4,916
Austin Chalk13,665-13,251
Eagle Ford—
Cook Mountain—
Vicksburg—
Miocene (undifferentiated)—

9 TOPS · FIRST 8

Gallipoli42-015-31074

9.8 KM · Verdun Oil & Gas LLC · Section with this well →

Yegua1,200-786
Cockfield - Disposal2,654-2,240
Wilcox5,326-4,912
Austin Chalk13,682-13,268
Frio—
Miocene (undifferentiated)—
Vicksburg—
Eagle Ford—

9 TOPS · FIRST 8

Jutland Unit42-477-31240

10.3 KM · Verdun Oil & Gas LLC · Section with this well →

Caprock7,180-6,858
Wilcox10,730-10,408
Austin Chalk13,640-13,318

Ypres Unit42-477-31241

10.3 KM · Verdun Oil & Gas LLC · Section with this well →

Wilcox7,190-6,869
Navarro10,619-10,298
Austin Chalk13,411-13,090
Caprock—

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

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