WELL · 42-013-34868 · DISTRICT 1

Esse-Smith Ranch Unit A #5H

Y

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

Esse-Smith Ranch Unit A #5H (API 42-013-34868) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed December 10, 2015 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued November 21, 2013, permitted to 17,500 ft.

Completion filings report 10 formation tops, including Anacacho, Austin Chalk, Bartosh, Carrizo.

Its lease has reported 1.22M barrels of oil and 1.81M mcf of gas since June 2011, last reporting in July 2026. The lease carries 5 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 LLCNov 21, 2013
17,500
total depth, ft
2
permits on file
Nov 21, 2013
last permit issued
Dec 10, 2015
completed
1.22M
cumulative oil, bbl
1.81M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 10, 2015
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 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Esse-Smith Ranch Unit A O-1-15650Eagleville (Eagle Ford-1)Marathon Oil EF LLC51.22M1.81MJun 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 11,932 · prior 12 20,909(-43%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 6,795 · prior 12 18,084(-62%)

02K4K6K202420252026

Chain of custody

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

  1. 1Hilcorp Energy CompanyAug 2011 → Oct 2011
  2. 2Marathon Oil EF LLCNov 2011 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
772849-98DrillMarathon Oil EF LLCDec 17, 2013Nov 21, 2013Jan 17, 201417,500
772849-99DrillMarathon Oil EF LLCOct 30, 2013Nov 21, 2013Jan 17, 201417,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-15650————

Formation tops

As filed on W-2/G-1. Subsea from 373 ft elevation.Download CSV →

FormationMD ftSubsea
AnacachoANACACHO - H2S10,723-10,350
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,915-10,542
Bartosh——
Carrizo——
EscondidoESCONDIDO - H2S, DISPOSAL——
NavarroNAVARRO - H2S——
OlmosOLMOS - DISPOSAL——
Queen City——
Reklaw——
WilcoxWILCOX - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
11,22916,955Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,35812.251,920 S
5.517,1008.52,010 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
00Sep 16, 2016Sep 9, 2016Yes
00Aug 26, 2014Jun 20, 2014—
00Jun 20, 2014May 7, 2014Yes

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/01334868, documented in the API reference.