WELL · 42-177-34707 · DISTRICT 1

Barnhart (EF) H #5H

Y

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

Barnhart (EF) H #5H (API 42-177-34707) is a horizontal well in Gonzales County operated by Ensign Natural Resources II LLC, completed February 10, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued April 25, 2024, permitted to 10,271 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 8 formation tops, including Reklaw, Carrizo, Wilcox, Austin Chalk.

Its lease has reported 555K barrels of oil and 375K mcf of gas since April 2013, last reporting in July 2026. The lease carries 2 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 LLCApr 25, 2024
10,271
total depth, ft
1
permits on file
Apr 25, 2024
last permit issued
Feb 10, 2025
completed
555K
cumulative oil, bbl
375K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 10, 2025
Shut in
—
Plugged
—

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

Surface location

29.279806, -97.512631

Google Maps ↗

Permit surface location from the RRC GIS record, in Gonzales 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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Barnhart (EF) H O-1-16813Eagleville (Eagle Ford-1)Marathon Oil EF LLC2555K375KApr 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 114,093 · prior 12 86,822(+31%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 85,889 · prior 12 53,823(+60%)

010K20K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCApr 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
899209-99DrillMarathon Oil EF LLCApr 25, 2024Apr 25, 2024Jul 15, 202422,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 10, 2025Barnhart (EF) H O-1-16813Eagleville (Eagle Ford-1)Ensign Natural Resources II LLCProducing10,271

Formation tops

As filed on W-2/G-1. Subsea from 284 ft elevation.Download CSV →

FormationMD ftSubsea
Reklaw2,340-2,056
Carrizo2,853-2,569
WilcoxWILCOX - DISPOSAL3,109-2,825
Austin ChalkAUSTIN CHALK - H2S9,381-9,097
Eagle FordEAGLE FORD - H2S9,832-9,548
BudaBUDA - H2S, DISPOSAL——
EdwardsEDWARDS - H2S——
Navarro——
Reklaw——

Perforations

Perforated and open-hole intervals.

FromToType
10,50316,481Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,74212.251,752 S
5.516,4738.752,695 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 3, 2025Mar 10, 2025Yes
00Feb 19, 2025Jan 30, 2025Yes

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Barnhart (EF) H Unit SA342-177-34708

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

Reklaw2,340-2,086
Carrizo2,853-2,599
Wilcox3,109-2,855
Austin Chalk9,384-9,130
Eagle Ford9,515-9,261
Buda—
Edwards—
Navarro—

Barnhart (EF)42-177-34706

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

Reklaw2,340-2,056
Carrizo2,853-2,569
Wilcox3,109-2,825
Austin Chalk9,160-8,876
Eagle Ford9,604-9,320
Buda—
Navarro—
Edwards—

Barnhart (EF)42-177-34094

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

Reklaw113145
Carrizo2,893-2,635
Wilcox3,895-3,637
Austin Chalk8,938-8,680
Eagle Ford9,436-9,178
Navarro—
Edwards—
Buda—

Barnhart (EF)42-177-34093

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

Reklaw113145
Carrizo2,893-2,635
Wilcox3,895-3,637
Austin Chalk8,983-8,725
Eagle Ford9,451-9,193
Navarro—
Edwards—
Buda—

Barnhart (EF)42-177-34010

1.3 KM · SN Operating, LLC · Section with this well →

Reklaw2,384-2,138
Carrizo2,958-2,712
Wilcox3,960-3,714
Anacacho8,963-8,717
Austin Chalk9,111-8,865
Austin Chalk9,111-8,865
Eagle Ford9,550-9,304
Eagle Ford9,550-9,304

11 TOPS · FIRST 8

Barnhart (EF)42-177-34014

1.3 KM · SN Operating, LLC · Section with this well →

Reklaw2,384-2,139
Carrizo2,958-2,713
Wilcox3,960-3,715
Anacacho8,894-8,649
Austin Chalk8,978-8,733
Austin Chalk8,978-8,733
Eagle Ford9,444-9,199
Eagle Ford9,444-9,199

11 TOPS · FIRST 8

Barnhart (EF)42-177-34013

1.3 KM · SN Operating, LLC · Section with this well →

Reklaw2,384-2,138
Carrizo2,958-2,712
Wilcox3,960-3,714
Austin Chalk9,047-8,801
Eagle Ford9,502-9,256
Buda—
Edwards—
Navarro—

Barnhart (EF)42-177-34012

1.3 KM · SN Operating, LLC · Section with this well →

Reklaw2,384-2,139
Carrizo2,958-2,713
Wilcox3,960-3,715
Anacacho8,932-8,687
Austin Chalk9,089-8,844
Austin Chalk9,089-8,844
Eagle Ford9,528-9,283
Eagle Ford9,528-9,283

11 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/17734707, documented in the API reference.