WELL · 42-283-36581 · DISTRICT 1

Maltsberger #300H

Y

LA Salle County · Pearsall (Austin Chalk) field · Producing  · Horizontal

Maltsberger #300H (API 42-283-36581) is a horizontal well in La Salle County operated by Verdun Oil EF II LLC, completed June 6, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued November 27, 2018, permitted to 9,700 ft.

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

Completion filings report 10 formation tops, including Queen City, Wilcox, Escondido, Olmos.

Its lease has reported 110K barrels of oil and 350K mcf of gas since June 2019, last reporting in July 2026.

Operator of record

Verdun Oil EF II LLC

Permitted by EP Energy E&P Company, L.P.; 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, L.P.Nov 27, 2018

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

9,700
total depth, ft
1
permits on file
Nov 27, 2018
last permit issued
Jun 6, 2019
completed
110K
cumulative oil, bbl
350K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 6, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.337312, -99.225605

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
Maltsberger O-1-19892Pearsall (Austin Chalk)Verdun Oil EF II LLC1110K350KJun 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 6,427 · prior 12 7,560(-15%)

05001K202420252026

Gas, mcf lease total

Last 12 months 29,287 · prior 12 35,382(-17%)

02K4K202420252026

Chain of custody

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

  1. 1EP Energy E&P Company, L.P.Jun 2019 → Apr 2022
  2. 2EP Energy E&P Company, LLCMay 2022 → Feb 2025
  3. 3Verdun Oil EF II LLCMar 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
847085-99DrillEP Energy E&P Company, L.P.Nov 26, 2018Nov 27, 2018Jan 21, 20199,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-19892————

Formation tops

As filed on W-2/G-1. Subsea from 476 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City1,515-1,039
WilcoxWILCOX - DISPOSAL2,825-2,349
Escondido5,455-4,979
OlmosOLMOS - DISPOSAL6,791-6,315
Austin Chalk9,091-8,615
BudaBUDA - H2S——
Eagle FordEAGLE FORD - H2S——
EdwardsEDWARDS - H2S——
Sparta——
Yegua——

Perforations

Perforated and open-hole intervals.

FromToType
9,73415,272Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,31412.25825 S
5.515,3808.752,460 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
00Jan 6, 2020Oct 1, 2019Yes

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 →

Maltsberger42-283-36578

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

Queen City1,577-1,101
Wilcox2,887-2,411
Escondido5,436-4,960
Olmos6,787-6,311
Austin Chalk9,068-8,592
Eagle Ford9,298-8,822
Sparta—
Buda—

10 TOPS · FIRST 8

Maltsberger42-283-36580

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

Queen City1,578-1,101
Wilcox2,888-2,411
Escondido5,456-4,979
Olmos6,795-6,318
Austin Chalk9,090-8,613
Eagle Ford9,317-8,840
Yegua—
Sparta—

10 TOPS · FIRST 8

Maltsberger42-283-36579

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

Queen City1,546-1,069
Wilcox2,856-2,379
Escondido5,428-4,951
Olmos6,769-6,292
Austin Chalk9,051-8,574
Eagle Ford9,281-8,804
Edwards—
Buda—

10 TOPS · FIRST 8

Maltsberger Unit A42-283-36599

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

Yegua95385
Queen City1,507-1,027
Wilcox2,876-2,396
Escondido5,459-4,979
Olmos6,832-6,352
Austin Chalk9,138-8,658
Eagle Ford9,371-8,891
Edwards—

10 TOPS · FIRST 8

Maltsberger Unit A-342-283-36624

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

Yegua95386
Queen City1,512-1,031
Wilcox2,882-2,401
Escondido5,469-4,988
Olmos6,846-6,365
Austin Chalk9,146-8,665
Eagle Ford9,374-8,893
Sparta—

11 TOPS · FIRST 8

Maltsberger Unit A-242-283-36625

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

Yegua95386
Queen City1,514-1,033
Wilcox2,848-2,367
Escondido5,440-4,959
Olmos6,819-6,338
Austin Chalk9,147-8,666
Eagle Ford9,370-8,889
Edwards—

10 TOPS · FIRST 8

Maltsberger Unit A-342-283-36622

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

Yegua97384
Queen City1,510-1,029
Wilcox2,879-2,398
Escondido5,464-4,983
Olmos6,840-6,359
Austin Chalk9,139-8,658
Eagle Ford9,366-8,885
Sparta—

10 TOPS · FIRST 8

Maltsberger-DB Trust42-283-36630

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

Yegua98384
Queen City1,519-1,037
Wilcox2,882-2,400
Escondido5,477-4,995
Olmos6,859-6,377
Austin Chalk9,153-8,671
Eagle Ford9,367-8,885
Buda—

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

Developers: this page as JSON is GET /v1/data/wells/28336581, documented in the API reference.