TEXAS · WELLS · GONZALES COUNTY · BARNHART (EF) E LEASE · API 42-177-32976 · DISTRICT 01

Barnhart (EF) E #3H

Shut in

Gonzales County · Eagleville (Eagle Ford-1) field · Shut In  · Horizontal

Barnhart (EF) E #3H (API 42-177-32976) is a horizontal well in Gonzales County operated by Ensign Natural Resources II LLC, completed February 3, 2017 and listed as shut in on the RRC schedule, shut in November 1, 2025.

The RRC has issued one drilling permit (amended once), issued May 6, 2013, permitted to 11,837 ft.

It was permitted by Marathon Oil EF LLC and has since transferred to Ensign Natural Resources II LLC on the wellbore schedule.

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

Its lease has reported 1.18M barrels of oil and 2.41M mcf of gas since September 2013, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.

Operator of record

Ensign Natural Resources II LLC

Permitted by Marathon Oil EF LLC; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jun 29, 2026
Permits on file
13
Phone
(346) 809-4062

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 6, 2013
11,837
total depth, ft
2
permits on file
May 6, 2013
last permit issued
Feb 3, 2017
completed
1.18M
cumulative oil, bbl
2.41M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 3, 2017
Shut in
Nov 1, 2025
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
Barnhart (EF) E O-1-17165Eagleville (Eagle Ford-1)Marathon Oil EF LLC61.18M2.41MSep 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 2,107 · prior 12 23,696(-91%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 3,806 · prior 12 45,100(-92%)

02K4K6K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCSep 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
761939-98DrillMarathon Oil EF LLCJan 8, 2014May 6, 2013Jul 3, 201317,000
761939-99DrillMarathon Oil EF LLCMay 2, 2013May 6, 2013—17,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 3, 2017Barnhart (EF) E O-1-17165Eagleville (Eagle Ford-1)Ensign Natural Resources II LLCShut In · shut in Nov 1, 202511,837

Formation tops

As filed on W-2/G-1. Subsea from 250 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho11,083-10,833
Austin Chalk11,083-10,833
Austin Chalk11,797-11,547
Eagle FordUPPER EAGLE FORD11,797-11,547
Eagle Ford11,878-11,628
Eagle FordLOWER EAGLE FORD11,878-11,628

Perforations

Perforated and open-hole intervals.

FromToType
11,99816,306Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,08312.251,615 S
5.516,4408.52,320 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
00Apr 27, 2017Apr 25, 2017—
00Sep 21, 2016Sep 9, 2016—
00Sep 20, 2016Sep 9, 2016Yes
00Dec 13, 2013Oct 14, 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 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/17732976, documented in the API reference.