WELL · 42-283-37864 · DISTRICT 1

Altito B 4C Unit #1H

N

LA Salle County  · Horizontal

Altito B 4c Unit #1H (API 42-283-37864) is a permitted horizontal well in La Salle County filed by Verdun Oil EF II LLC; no completion report is on file yet.

The RRC has issued one drilling permit (amended once), issued December 22, 2025, permitted to 9,900 ft.

Completion filings report 10 formation tops, including Escondido, Austin Chalk, Eagle Ford, Buda.

Operator of record

Verdun Oil EF II LLC

Houston, TX · P-5 Y, filed Nov 4, 2025 · 48 permits on file · (800) 770-1082

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsnone
Latest permitVerdun Oil EF II LLCDec 22, 2025
9,900
total depth, ft
2
permits on file
Dec 22, 2025
last permit issued
—
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.391486, -99.082203

OpenStreetMap → ·  Google Maps →

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
912342-98DrillVerdun Oil EF II LLCJun 23, 2026Dec 22, 2025Jan 5, 20269,900
912342-99DrillVerdun Oil EF II LLCDec 17, 2025Dec 22, 2025—9,900

Formation tops

As filed on W-2/G-1. Subsea from 420 ft elevation.Download CSV →

FormationMD ftSubsea
Escondido9,190-8,770
Austin Chalk9,592-9,172
Eagle FordEAGLE FORD - H2S9,778-9,358
BudaBUDA - H2S——
EdwardsEDWARDS - H2S——
OlmosOLMOS - DISPOSAL——
Queen City——
Sparta——
WilcoxWILCOX - DISPOSAL——
Yegua——

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,95012.25970 S
5.524,1708.754,005 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
00Aug 20, 2026Jul 22, 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 →

Altito B 4D Unit42-283-37865

0.0 KM · Verdun Oil EF II LLC · Section with this well →

Escondido9,199-8,779
Austin Chalk9,595-9,175
Eagle Ford9,774-9,354
Sparta—
Queen City—
Edwards—
Buda—
Olmos—

10 TOPS · FIRST 8

Altito B42-283-37794

0.8 KM · Verdun Oil EF II LLC · Section with this well →

Olmos9,152-8,751
Austin Chalk9,512-9,111
Eagle Ford9,687-9,286
Edwards—
Escondido—
Buda—
Queen City—
Sparta—

10 TOPS · FIRST 8

Altito B42-283-37795

0.8 KM · Verdun Oil EF II LLC · Section with this well →

Olmos9,152-8,751
Austin Chalk9,512-9,111
Eagle Ford9,687-9,286
Wilcox—
Sparta—
Queen City—
Escondido—
Buda—

10 TOPS · FIRST 8

Altito B 4A Unit42-283-37484

1.3 KM · Verdun Oil EF II LLC · Section with this well →

Wilcox3,854-3,416
Olmos7,383-6,945
Austin Chalk9,510-9,072
Eagle Ford9,704-9,266
Yegua—
Buda—
Edwards—
Escondido—

10 TOPS · FIRST 8

Altito B 4A Unit42-283-37482

1.3 KM · Verdun Oil EF II LLC · Section with this well →

Escondido9,168-8,730
Austin Chalk9,519-9,081
Eagle Ford9,703-9,265
Edwards—
Buda—
Sparta—
Queen City—
Olmos—

10 TOPS · FIRST 8

Altito B 4B Unit42-283-37483

1.3 KM · Verdun Oil EF II LLC · Section with this well →

Wilcox3,854-3,416
Olmos7,383-6,945
Austin Chalk9,510-9,072
Eagle Ford9,704-9,266
Sparta—
Queen City—
Pearsall—
Escondido—

11 TOPS · FIRST 8

Altito B42-283-36810

1.7 KM · EP Energy E&P Company, L.P. · Section with this well →

Queen City2,084-1,675
Wilcox3,394-2,985
Escondido6,141-5,732
Olmos7,466-7,057
Austin Chalk9,693-9,284
Eagle Ford9,869-9,460
Buda—
Yegua—

10 TOPS · FIRST 8

Sumbera HC242-283-36968

1.8 KM · Chesapeake Operating, L.L.C. · Section with this well →

Yegua920-492
Queen City2,350-1,922
Sparta2,350-1,922
Wilcox3,660-3,232
Escondido6,173-5,745
Olmos7,527-7,099
San Miguel8,396-7,968
Anacacho9,180-8,752

11 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/28337864, documented in the API reference.