WELL · 42-283-37223 · DISTRICT 1

Mark Brown Allocation B #4H

Y

LA Salle County · Eagleville (Eagle Ford-1) field · Producing  · Horizontal

Mark Brown Allocation B #4H (API 42-283-37223) is a horizontal well in La Salle County operated by Verdun Oil EF II LLC, completed November 4, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued April 28, 2022, permitted to 11,788 ft.

It was permitted by EP Energy E&P Company, LLC and has since transferred to Verdun Oil EF II LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Wilcox, Olmos, Austin Chalk, Eagle Ford.

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

Operator of record

Verdun Oil EF II LLC

Permitted by EP Energy E&P Company, LLC; the EWA schedule now lists a different operator.

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 scheduleVerdun Oil EF II LLC
Production reportsVerdun Oil EF II LLCthrough Apr 2026
Latest permitEP Energy E&P Company, LLCApr 28, 2022

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

11,788
total depth, ft
3
permits on file
Apr 28, 2022
last permit issued
Nov 4, 2022
completed
0
cumulative oil, bbl
395K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 4, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.403519, -99.058450

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in LA Salle 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
Mark Brown Allocation B G-1-297017Eagleville (Eagle Ford-1)Verdun Oil EF II LLC10395KNov 2022 – Jul 2026

Gas, mcf lease total

Last 12 months 66,578 · prior 12 80,296(-17%)

010K20K30K202420252026

Chain of custody

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

  1. 1EP Energy E&P Company, LLCNov 2022 → Feb 2025
  2. 2Verdun Oil EF II LLCMar 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
879434-97DrillEP Energy E&P Company, LLCMay 15, 2024Apr 28, 2022Jun 8, 202211,788
879434-98DrillEP Energy E&P Company, LLCJul 22, 2022Apr 28, 2022Jun 8, 202210,000
879434-99DrillEP Energy E&P Company, L.P.Apr 25, 2022Apr 28, 2022Jun 8, 202210,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-297017————

Formation tops

As filed on W-2/G-1. Subsea from 447 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL3,902-3,455
OlmosOLMOS - DISPOSAL7,431-6,984
Austin Chalk9,575-9,128
Eagle FordEAGLE FORD - H2S9,753-9,306
BudaBUDA - H2S——
EdwardsEDWARDS - H2S——
Escondido——
Queen City——
Sparta——
Yegua——

Perforations

Perforated and open-hole intervals.

FromToType
10,17520,926Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,98212.251,100 S
5.521,0658.753,510 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
00Jun 4, 2024Apr 23, 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 →

Lone Oak Grocery42-283-36721

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

Queen City1,976-1,528
Wilcox3,286-2,838
Escondido6,124-5,676
Olmos7,419-6,971
Austin Chalk9,579-9,131
Eagle Ford9,754-9,306
Edwards—
Yegua—

10 TOPS · FIRST 8

Mark Brown Allocation A42-283-37222

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

Wilcox3,905-3,458
Olmos7,434-6,987
Austin Chalk9,584-9,137
Eagle Ford9,756-9,309
Buda—
Yegua—
Escondido—
Queen City—

10 TOPS · FIRST 8

Lone Oak Grocery42-283-36722

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

Queen City1,976-1,529
Wilcox3,286-2,839
Escondido6,127-5,680
Olmos7,423-6,976
Austin Chalk9,561-9,114
Eagle Ford9,732-9,285
Buda—
Yegua—

10 TOPS · FIRST 8

Mark Brown Allocation C42-283-37221

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

Queen City1,719-1,271
Wilcox3,017-2,569
Olmos7,387-6,939
Austin Chalk9,589-9,141
Eagle Ford9,758-9,310
Yegua—
Buda—
Edwards—

10 TOPS · FIRST 8

Lone Oak Grocery42-283-36723

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

Queen City1,983-1,536
Wilcox3,293-2,846
Escondido6,135-5,688
Olmos7,430-6,983
Austin Chalk9,551-9,104
Eagle Ford9,715-9,268
Sparta—
Yegua—

10 TOPS · FIRST 8

Mumme Ranch Allocation A42-283-36370

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

Queen City2,021-1,569
Wilcox3,331-2,879
Escondido6,171-5,719
Olmos7,402-6,950
Austin Chalk9,557-9,105
Eagle Ford9,718-9,266
Edwards—
Sparta—

10 TOPS · FIRST 8

Mumme Ranch Allocation B42-283-36376

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

Queen City2,026-1,574
Wilcox3,336-2,884
Escondido6,122-5,670
Olmos7,408-6,956
Austin Chalk9,541-9,089
Eagle Ford9,700-9,248
Edwards—
Yegua—

10 TOPS · FIRST 8

Mumme Ranch Allocation C42-283-36377

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

Queen City2,028-1,576
Wilcox3,338-2,886
Escondido6,128-5,676
Olmos7,420-6,968
Austin Chalk9,542-9,090
Eagle Ford9,695-9,243
Edwards—
Yegua—

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/28337223, documented in the API reference.