WELL · 42-255-35660 · DISTRICT 2

Egbert-Miller Unit #3H

Y

Karnes County · Eagleville (Eagle Ford-2) field · Producing  · Horizontal

Egbert-Miller Unit #3H (API 42-255-35660) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed April 23, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 27, 2017, permitted to 20,000 ft.

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

Its lease has reported 1.09M barrels of oil and 2.51M mcf of gas since February 2012, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.

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 Mar 2026
Latest permitMarathon Oil EF LLCOct 27, 2017
20,000
total depth, ft
1
permits on file
Oct 27, 2017
last permit issued
Apr 23, 2018
completed
1.09M
cumulative oil, bbl
2.51M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 23, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.865508, -97.910528

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Karnes 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; they carry 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Egbert-Miller Unit O-2-9955Eagleville (Eagle Ford-2)Marathon Oil EF LLC51.09M2.51MFeb 2012 – Jul 2026

Oil, barrels lease total

Last 12 months 8,612 · prior 12 33,647(-74%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 16,045 · prior 12 83,958(-81%)

010K20K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCFeb 2012 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
831979-99DrillMarathon Oil EF LLCOct 13, 2017Oct 27, 2017Feb 6, 201820,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-9955————

Formation tops

As filed on W-2/G-1. Subsea from 386 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL2,151-1,765
Queen City4,323-3,937
Reklaw4,756-4,370
Carrizo5,306-4,920
WilcoxWILCOX - DISPOSAL6,620-6,234
Austin ChalkAUSTIN CHALK - H2S12,186-11,800
Eagle FordEAGLE FORD - H2S12,356-11,970
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,50515,757Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,93912.251,714 S
5.515,8468.752,606 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 22, 2018Jun 12, 2018Yes

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 →

Egbert-Miller Unit42-255-35661

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

Yegua2,151-1,764
Queen City4,323-3,936
Reklaw4,756-4,369
Carrizo5,306-4,919
Wilcox6,620-6,233
Austin Chalk12,169-11,782
Eagle Ford12,337-11,950
Frio—

10 TOPS · FIRST 8

Carter-Salge-Egbert-Miller Psa42-255-35700

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

Yegua2,151-1,763
Queen City4,323-3,935
Reklaw4,756-4,368
Carrizo5,306-4,918
Wilcox6,620-6,232
Austin Chalk12,153-11,765
Eagle Ford12,323-11,935
Frio—

10 TOPS · FIRST 8

Crews Unit42-255-37788

0.3 KM · Devon Energy Production Co, L.P. · Section with this well →

Frio1,384-987
Yegua2,330-1,933
Queen City4,115-3,718
Reklaw4,634-4,237
Carrizo5,088-4,691
Wilcox5,260-4,863
Austin Chalk12,162-11,765
Eagle Ford12,320-11,923

10 TOPS · FIRST 8

Crews Unit42-255-37789

0.3 KM · Devon Energy Production Co, L.P. · Section with this well →

Frio1,363-966
Yegua2,311-1,914
Queen City4,093-3,696
Reklaw4,609-4,212
Carrizo5,062-4,665
Wilcox5,265-4,868
Austin Chalk12,164-11,767
Eagle Ford12,312-11,915

10 TOPS · FIRST 8

Crews Unit42-255-37790

0.3 KM · Devon Energy Production Co, L.P. · Section with this well →

Frio1,396-998
Yegua2,343-1,945
Queen City4,123-3,725
Reklaw4,635-4,237
Carrizo5,092-4,694
Wilcox5,266-4,868
Austin Chalk12,173-11,775
Eagle Ford12,336-11,938

10 TOPS · FIRST 8

Crews Unit42-255-37791

0.3 KM · Devon Energy Production Co, L.P. · Section with this well →

Frio1,408-1,009
Yegua2,358-1,959
Queen City4,136-3,737
Reklaw4,651-4,252
Carrizo5,104-4,705
Wilcox5,269-4,870
Austin Chalk12,162-11,763
Eagle Ford12,324-11,925

10 TOPS · FIRST 8

Crews-Karnes City SA A42-255-38201

0.3 KM · Devon Energy Production Co, L.P. · Section with this well →

Frio1,404-1,003
Yegua2,352-1,951
Queen City4,138-3,737
Reklaw4,642-4,241
Carrizo5,077-4,676
Wilcox5,269-4,868
Austin Chalk12,173-11,772
Eagle Ford12,339-11,938

10 TOPS · FIRST 8

Crews-KC-Sal-Miller SA A42-255-38204

0.3 KM · Devon Energy Production Co, L.P. · Section with this well →

Frio1,332-931
Yegua2,280-1,879
Queen City4,068-3,667
Reklaw4,584-4,183
Carrizo5,031-4,630
Wilcox5,231-4,830
Austin Chalk12,066-11,665
Eagle Ford12,220-11,819

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/25535660, documented in the API reference.