WELL · 42-177-33731 · DISTRICT 1

Barnhart (EF) G #1H

Y

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

Barnhart (EF) G #1H (API 42-177-33731) is a horizontal well in Gonzales County operated by Marathon Oil EF LLC, completed April 25, 2024 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued August 23, 2016, permitted to 18,300 ft.

Completion filings report 8 formation tops, including Reklaw, Carrizo, Wilcox, Navarro.

Its lease has reported 1.32M barrels of oil and 3.14M mcf of gas since December 2013, last reporting in July 2026. The lease carries 7 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 LLCAug 23, 2016
18,300
total depth, ft
1
permits on file
Aug 23, 2016
last permit issued
Apr 25, 2024
completed
1.32M
cumulative oil, bbl
3.14M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 25, 2024
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 7 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Barnhart (EF) G O-1-17334Eagleville (Eagle Ford-1)Marathon Oil EF LLC71.32M3.14MDec 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 33,158 · prior 12 35,415(-6%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 109,426 · prior 12 115,302(-5%)

010K20K30K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCDec 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
817742-99DrillMarathon Oil EF LLCAug 15, 2016Aug 23, 2016Mar 31, 201918,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-17334————

Formation tops

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

FormationMD ftSubsea
Reklaw3,395-3,145
Carrizo4,226-3,976
WilcoxWILCOX - DISPOSAL5,297-5,047
Navarro5,920-5,670
Austin ChalkAUSTIN CHALK - H2S11,088-10,838
Eagle FordEAGLE FORD - H2S11,652-11,402
BudaBUDA - H2S, DISPOSAL——
EdwardsEDWARDS - H2S——
Navarro——

Perforations

Perforated and open-hole intervals.

FromToType
12,00317,195Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,96012.251,614 S
5.517,2888.753,021 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
00Jul 2, 2024May 24, 2024—
00Apr 14, 2023Apr 5, 2023—
00Jan 22, 2020Sep 17, 2019Yes
00Jun 20, 2019May 28, 2019Yes
00Dec 12, 2017Aug 9, 2017Yes

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/17733731, documented in the API reference.