WELL · 42-255-36880 · DISTRICT 2

Egbert-Miller Unit #5H

Y

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

Egbert-Miller Unit #5H (API 42-255-36880) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed May 12, 2021 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued February 28, 2020, permitted to 22,000 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 LLCFeb 28, 2020
22,000
total depth, ft
1
permits on file
Feb 28, 2020
last permit issued
May 12, 2021
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
May 12, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.862489, -97.915240

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
862293-99DrillMarathon Oil EF LLCFeb 25, 2020Feb 28, 2020Oct 10, 202022,000

Completions

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

Formation tops

As filed on W-2/G-1. Subsea from 381 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL2,143-1,762
Queen City4,315-3,934
Reklaw4,748-4,367
Carrizo5,298-4,917
WilcoxWILCOX - DISPOSAL6,612-6,231
Austin ChalkAUSTIN CHALK - H2S12,107-11,726
Austin ChalkAUSTIN CHALK - H2S12,209-11,828
Eagle FordEAGLE FORD - H2S12,300-11,919
Eagle FordEAGLE FORD - H2S12,376-11,995
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,32817,900Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,82912.251,872 S
5.517,9008.753,503 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 10, 2021May 27, 2021Yes
00Feb 1, 2021Nov 24, 2020Yes
00Sep 17, 2020Sep 3, 2020Yes

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 →

Miller-Ridout42-255-36879

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

Yegua2,143-1,762
Queen City4,315-3,934
Reklaw4,748-4,367
Carrizo5,298-4,917
Wilcox6,612-6,231
Austin Chalk12,187-11,806
Eagle Ford12,361-11,980
Edwards—

10 TOPS · FIRST 8

Blue SWD42-255-36338

0.3 KM · High Roller Wells, L.L.C. · Section with this well →

Yegua1,780-1,376
Queen City3,950-3,546
Reklaw4,375-3,971
Carrizo4,950-4,546
Wilcox6,500-6,096
Frio—
Edwards—
Eagle Ford—

10 TOPS · FIRST 8

Love Unit42-255-35042

0.5 KM · Validus NRG Aquilas Assetco LLC · Section with this well →

Yegua2,375-2,016
Queen City4,265-3,906
Reklaw4,614-4,255
Carrizo5,121-4,762
Wilcox7,034-6,675
Austin Chalk12,142-11,783
Eagle Ford12,304-11,945
Sligo—

10 TOPS · FIRST 8

Love Unit42-255-35864

0.6 KM · Encana Oil & Gas(usa) Inc. · Section with this well →

Yegua2,061-1,702
Queen City4,288-3,929
Reklaw4,638-4,279
Carrizo5,126-4,767
Wilcox5,126-4,767
Austin Chalk12,187-11,828
Frio—
Sligo—

10 TOPS · FIRST 8

Love Unit42-255-35865

0.6 KM · Encana Oil & Gas(usa) Inc. · Section with this well →

Yegua2,061-1,702
Queen City4,288-3,929
Reklaw4,638-4,279
Carrizo5,126-4,767
Wilcox7,201-6,842
Austin Chalk12,243-11,884
Eagle Ford12,308-11,949
Frio—

10 TOPS · FIRST 8

Egbert-Miller Unit42-255-35660

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

Yegua2,151-1,765
Queen City4,323-3,937
Reklaw4,756-4,370
Carrizo5,306-4,920
Wilcox6,620-6,234
Austin Chalk12,186-11,800
Eagle Ford12,356-11,970
Frio—

10 TOPS · FIRST 8

Love-Sienkiewicz B42-255-37404

0.6 KM · Validus NRG Aquilas Assetco LLC · Section with this well →

Frio1,800-1,442
Yegua2,793-2,435
Queen City3,875-3,517
Reklaw4,318-3,960
Carrizo4,851-4,493
Wilcox5,137-4,779
Austin Chalk12,099-11,741
Eagle Ford12,277-11,919

10 TOPS · FIRST 8

Egbert-Miller Unit42-255-35661

0.6 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
Edwards—

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/25536880, documented in the API reference.