TEXAS · WELLS · DE WITT COUNTY · BARROW 01 LEASE · API 42-123-32437 · DISTRICT 02

Barrow 01 #01H

Shut in

De Witt County · De Witt (Eagle Ford Shale) field · Temp Abandoned  · Horizontal

Barrow 01 #01H (API 42-123-32437) is a horizontal well in De Witt County operated by Marathon Oil EF LLC, completed August 10, 2011 and listed as temp abandoned on the RRC schedule, shut in March 1, 2023.

The RRC has issued one drilling permit, issued April 20, 2011, permitted to 13,657 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, Eagle Ford, Upper Chalk.

Its lease has reported 363K barrels of oil and 1.88M mcf of gas since August 2011, with no volume in the three years through April 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 Feb 2023
Latest permitPioneer Natural Res. USA, Inc.Apr 20, 2011

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

13,657
total depth, ft
1
permits on file
Apr 20, 2011
last permit issued
Aug 10, 2011
completed
363K
cumulative oil, bbl
1.88M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2011 THROUGH Feb 2023

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 10, 2011
Shut in
Mar 1, 2023
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-2-266958De Witt (Eagle Ford Shale)Marathon Oil EF LLC1363K1.88MAug 2011 – Feb 2023

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Aug 2011 → Sep 2019
  2. 2Ensign Operating LLCOct 2019 → Feb 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
714103-99DrillPioneer Natural Res. USA, Inc.Apr 12, 2011Apr 20, 2011May 26, 201121,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 10, 2011Barrow 01 G-2-266958De Witt (Eagle Ford Shale)Marathon Oil EF LLCTemp Abandoned · shut in Mar 1, 202313,657

Formation tops

As filed on W-2/G-1. Subsea from 380 ft elevation.Download CSV →

FormationMD ftSubsea
CarrizoCARRIZO/WILCOX——
Eagle FordEAGLEFORD SHALE——
Upper Chalk——

Perforations

Perforated and open-hole intervals.

FromToType
13,85017,912Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,64617.51,375 S
9.62510,15712.251,675 S
5.518,0668.51,420 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
00Apr 4, 2013Apr 5, 2012Yes

Well logs

1 log loaded from the RRC's log index, the latest received Jul 30, 2014. Density, Neutron, Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
COMBINATION: RESISTIVITY/NEUTRON/DENSITY POROSITYTIFF10,156 to 14,167Jul 30, 2014run Jun 16, 201110.5

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/12332437, documented in the API reference.