WELL · 42-013-35976 · DISTRICT 1

Mauch Tom Krueger SA2 #2H

Y

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

Mauch Tom Krueger Sa2 #2H (API 42-013-35976) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed May 23, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 20, 2022, permitted to 22,000 ft.

Completion filings report 10 formation tops, including Queen City, Reklaw, Carrizo, Wilcox.

Its lease has reported 284K barrels of oil and 380K mcf of gas since February 2023, last reporting in July 2026.

Operator of record

Marathon Oil EF LLC

Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMarathon Oil EF LLC
Production reportsMarathon Oil EF LLCthrough Apr 2026
Latest permitMarathon Oil EF LLCDec 20, 2022
22,000
total depth, ft
1
permits on file
Dec 20, 2022
last permit issued
May 23, 2023
completed
284K
cumulative oil, bbl
380K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 23, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.757067, -98.178956

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Atascosa 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
Mauch Tom Krueger SA2 O-1-20962Eagleville (Eagle Ford-1)Marathon Oil EF LLC1284K380KFeb 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 25,700 · prior 12 62,303(-59%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 47,794 · prior 12 81,256(-41%)

020K40K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCApr 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
886485-99DrillMarathon Oil EF LLCDec 13, 2022Dec 20, 2022Jan 5, 202322,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-20962————

Formation tops

As filed on W-2/G-1. Subsea from 402 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City2,617-2,215
Reklaw3,171-2,769
Carrizo3,985-3,583
WilcoxWILCOX - DISPOSAL4,061-3,659
AnacachoANACACHO - H2S10,409-10,007
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,569-10,167
Bartosh——
EscondidoESCONDIDO - H2S, DISPOSAL——
NavarroNAVARRO - H2S——
OlmosOLMOS - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
10,88018,332Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,26212.251,297 S
618,3328.752,899 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 3, 2023Jul 21, 2023—
00Jul 14, 2023Jun 20, 2023—
00May 18, 2023Apr 19, 2023Yes

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 →

Mauch Tom Krueger-Ethridge SA42-013-35977

0.0 KM · Marathon Oil EF LLC · Section with this well →

Queen City1,791-1,389
Reklaw3,171-2,769
Carrizo3,895-3,493
Wilcox4,061-3,659
Anacacho10,408-10,006
Austin Chalk10,571-10,169
Navarro—
Olmos—

10 TOPS · FIRST 8

Retzloff May-Mauch Krueger SA42-013-35978

0.0 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,617-2,190
Reklaw3,171-2,744
Carrizo3,985-3,558
Wilcox4,061-3,634
Anacacho10,409-9,982
Austin Chalk10,574-10,147
Olmos—
Navarro—

10 TOPS · FIRST 8

Tom Family-Retzloff SA142-013-35828

0.7 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,714-2,295
Reklaw3,294-2,875
Carrizo3,969-3,550
Wilcox4,044-3,625
Olmos9,054-8,635
Anacacho10,450-10,031
Austin Chalk10,610-10,191
Navarro—

10 TOPS · FIRST 8

Tom Family-Retzloff SA242-013-35829

0.7 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,714-2,295
Reklaw3,294-2,875
Carrizo3,696-3,277
Wilcox4,044-3,625
Olmos9,054-8,635
Anacacho10,445-10,026
Austin Chalk10,608-10,189
Bartosh—

10 TOPS · FIRST 8

Tom Family-Retzloff SA342-013-35830

0.7 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,714-2,296
Reklaw3,294-2,876
Carrizo3,969-3,551
Wilcox4,044-3,626
Olmos9,054-8,636
Anacacho10,449-10,031
Austin Chalk10,612-10,194
Bartosh—

10 TOPS · FIRST 8

Retzloff-Tom Unit42-013-34409

1.1 KM · Marathon Oil EF LLC · Section with this well →

Anacacho10,500-10,111
Austin Chalk10,660-10,271
Austin Chalk10,660-10,271
Eagle Ford10,787-10,398
Eagle Ford10,870-10,481

W.T. Hurt Unit42-013-35693

2.0 KM · XTO Energy Inc. · Section with this well →

Queen City840-431
Reklaw1,901-1,492
Bartosh3,165-2,756
Carrizo3,722-3,313
Wilcox6,000-5,591
Navarro6,155-5,746
Escondido7,625-7,216
Olmos8,674-8,265

10 TOPS · FIRST 8

W.T. Hurt Unit42-013-35694

2.0 KM · XTO Energy Inc. · Section with this well →

Queen City840-431
Reklaw1,901-1,492
Bartosh3,165-2,756
Carrizo3,722-3,313
Wilcox6,000-5,591
Navarro6,155-5,746
Escondido7,625-7,216
Olmos8,674-8,265

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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