WELL · 42-479-45024 · DISTRICT 4

Justapor #101H

Y

Webb County · Hawkville (Austin Chalk) field · Producing  · Horizontal

Justapor #101H (API 42-479-45024) is a horizontal well in Webb County operated by Mitsui E&P USA LLC, completed November 9, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued September 21, 2023, permitted to 13,000 ft.

Completion filings report 11 formation tops, including Wilcox, Escondido, Olmos, Austin Chalk.

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

Operator of record

Mitsui E&P USA LLC

Houston, TX · P-5 Y, filed Jan 4, 2026 · 38 permits on file · (713) 960-0023

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMitsui E&P USA LLC
Production reportsnone
Latest permitMitsui E&P USA LLCSep 21, 2023
13,000
total depth, ft
3
permits on file
Sep 21, 2023
last permit issued
Nov 9, 2025
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 9, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

27.872256, -99.448519

OpenStreetMap → ·  Google Maps →

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
893800-97DrillMitsui E&P USA LLCAug 18, 2025Sep 21, 2023—13,000
893800-98DrillMitsui E&P USA LLCJun 23, 2025Sep 21, 2023—13,000
893800-99DrillMitsui E&P USA LLCSep 19, 2023Sep 21, 2023Aug 11, 202512,000

Formation tops

As filed on W-2/G-1. Subsea from 711 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxWILCOX - INJECTION/DISPOSAL2,162-1,451
EscondidoESCONDITO - INJECTION/DISPOSAL;6,346-5,635
OlmosOLMOS - INJECTION/DISPOSAL7,880-7,169
Austin Chalk11,161-10,450
CatahoulaCATAHOULA-FRIO - INJECTION/DISPO——
Cook Mountain——
Eagle FordEAGLE FORD SHALE——
EdwardsEDWARDS LIMESTONE - H2S——
JacksonJACKSON - INJECTION/DISPOSAL——
Queen CityQUEEN CITY - INJECTION/DISPOSAL;——
YeguaYEGUA - INJECTION/DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
11,95918,558Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3753,44117.52,416 S
9.62510,17312.251,905 S
8.7518,5775.51,841 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 17, 2026Aug 27, 2026—
00Jun 18, 2026Apr 7, 2026Yes

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 →

LA Moca Gas Unit T42-479-45303

2.2 KM · Lewis Petro Properties, Inc. · Section with this well →

Wilcox4,975-4,210
Escondido5,517-4,752
Olmos6,095-5,330
Cook Mountain—
Yegua—
Catahoula—
Queen City—
Edwards—

10 TOPS · FIRST 8

LA Moca Gas Unit T42-479-45304

2.2 KM · Lewis Petro Properties, Inc. · Section with this well →

Wilcox4,955-4,190
Escondido5,487-4,722
Olmos6,052-5,287
Jackson—
Yegua—
Queen City—
Edwards—
Eagle Ford—

10 TOPS · FIRST 8

Laurel SA A42-479-45157

3.3 KM · Lewis Petro Properties, Inc. · Section with this well →

Wilcox4,835-4,142
Escondido5,925-5,232
Olmos7,626-6,933
Austin Chalk10,904-10,211
Eagle Ford—
Yegua—
Queen City—
Jackson—

11 TOPS · FIRST 8

Laurel State B42-479-45156

3.3 KM · Lewis Petro Properties, Inc. · Section with this well →

Wilcox4,837-4,144
Escondido5,932-5,239
Olmos7,609-6,916
Austin Chalk10,883-10,190
Yegua—
Queen City—
Jackson—
Edwards—

11 TOPS · FIRST 8

Matrix Caspian B42-479-45346

3.6 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox4,864-4,214
Navarro5,773-5,123
Encinal5,940-5,290
Escondido6,122-5,472
Escondido6,189-5,539
Olmos7,665-7,015
San Miguel9,270-8,620
Yegua—

10 TOPS · FIRST 8

Matrix Caspian AA42-479-45481

3.6 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox4,824-4,174
Navarro5,758-5,108
Encinal5,938-5,288
Escondido6,103-5,453
Escondido6,179-5,529
Catahoula—
Jackson—
Cook Mountain—

10 TOPS · FIRST 8

State of Texas Rafter O Unit C42-479-44814

3.6 KM · Killam Oil Co., Ltd. · Section with this well →

Wilcox5,173-4,441
Escondido6,080-5,348
Olmos7,675-6,943
Anacacho10,622-9,890
Austin Chalk11,148-10,416
Catahoula—
Yegua—
Queen City—

10 TOPS · FIRST 8

State of Texas Rafter O Unit C42-479-44815

3.6 KM · Killam Oil Co., Ltd. · Section with this well →

Wilcox5,178-4,446
Escondido6,071-5,339
Olmos7,675-6,943
Anacacho10,630-9,898
Austin Chalk11,138-10,406
Cook Mountain—
Catahoula—
Jackson—

10 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

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