WELL · 42-255-32499 · DISTRICT 2

Mikkelson-Witte Unit #2H

Y

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

Mikkelson-Witte Unit #2H (API 42-255-32499) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed October 19, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 2, 2012, permitted to 14,500 ft.

Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.

Its lease has reported 1.46M barrels of oil and 2.56M mcf of gas since March 2012, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.

Operator of record

Marathon Oil EF LLC

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Sep 26, 2025
Permits on file
3,191
Phone
(832) 486-2737

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 LLCMay 2, 2012
14,500
total depth, ft
1
permits on file
May 2, 2012
last permit issued
Oct 19, 2012
completed
1.46M
cumulative oil, bbl
2.56M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 19, 2012
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Mikkelson-Witte Unit O-2-9974Eagleville (Eagle Ford-2)Marathon Oil EF LLC61.46M2.56MMar 2012 – Jul 2026

Oil, barrels lease total

Last 12 months 53,869 · prior 12 159,307(-66%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 85,409 · prior 12 259,590(-67%)

020K40K60K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCMar 2012 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
738756-99DrillMarathon Oil EF LLCApr 20, 2012May 2, 2012Jun 9, 201214,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-9974————

Formation tops

As filed on W-2/G-1. Subsea from 408 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho11,587-11,179
Austin Chalk11,747-11,339
Eagle Ford11,964-11,556

Perforations

Perforated and open-hole intervals.

FromToType
12,31516,808Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.755,59514.752,475 S
5.516,9308.753,085 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
00Feb 28, 2013Dec 19, 2012—
00Jan 16, 2013Oct 24, 2012Yes

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.

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/25532499, documented in the API reference.