TEXAS · WELLS · DE WITT COUNTY · BARROW 01 LEASE · API 42-123-32963 · DISTRICT 02

Barrow 01 #03H

Shut in

De Witt County · De Witt (Eagle Ford Shale) field · Producing  · Horizontal

Barrow 01 #03H (API 42-123-32963) is a horizontal well in De Witt County operated by Marathon Oil EF LLC, completed April 8, 2013 and listed as producing on the RRC schedule, shut in February 1, 2026.

The RRC has issued one drilling permit, issued December 21, 2012, permitted to 13,729 ft.

It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Marathon Oil EF LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Carrizo, Midway, Top Egfd.

Its lease has reported 206K barrels of oil and 1.33M mcf of gas since April 2013, last reporting volume in January 2026.

Operator of record

Marathon Oil EF LLC

Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.

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 Jan 2026
Latest permitPioneer Natural Res. USA, Inc.Dec 21, 2012

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

13,729
total depth, ft
1
permits on file
Dec 21, 2012
last permit issued
Apr 8, 2013
completed
206K
cumulative oil, bbl
1.33M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2013 THROUGH Jan 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 8, 2013
Shut in
Feb 1, 2026
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Barrow 01 G-2-270125De Witt (Eagle Ford Shale)Marathon Oil EF LLC1206K1.33MApr 2013 – Jan 2026

Gas, mcf lease total

Last 12 months 5,655 · prior 12 10,644(-47%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Apr 2013 → Sep 2019
  2. 2Ensign Operating LLCOct 2019 → Feb 2023
  3. 3Marathon Oil EF LLCMar 2023 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
751550-99DrillPioneer Natural Res. USA, Inc.Nov 14, 2012Dec 21, 2012Jan 6, 201321,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 8, 2013Barrow 01 G-2-270125De Witt (Eagle Ford Shale)Marathon Oil EF LLCProducing · shut in Feb 1, 202613,729

Formation tops

As filed on W-2/G-1. Subsea from 389 ft elevation.Download CSV →

FormationMD ftSubsea
Carrizo6,482-6,093
Midway9,567-9,178
Top Egfd13,570-13,181

Perforations

Perforated and open-hole intervals.

FromToType
13,68517,301Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,61417.51,560 S
9.62510,21012.25810 S
5.517,4418.51,486 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Oct 11, 2013May 6, 2013Yes

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/12332963, documented in the API reference.