WELL · 42-311-35329 · DISTRICT 1

Smith-West Unit #5H

Y

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

Smith-West Unit #5H (API 42-311-35329) is a horizontal well in Mcmullen County operated by Marathon Oil EF LLC, completed February 18, 2016 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued March 20, 2013, permitted to 17,200 ft.

Completion filings report 10 formation tops, including Wilcox, Olmos, Anacacho, Austin Chalk.

Its lease has reported 782K barrels of oil and 1.32M mcf of gas since May 2013, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.

Operator of record

Marathon Oil EF LLC

Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449

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 LLCMar 20, 2013
17,200
total depth, ft
2
permits on file
Mar 20, 2013
last permit issued
Feb 18, 2016
completed
782K
cumulative oil, bbl
1.32M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 18, 2016
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
Smith-West Unit O-1-17034Eagleville (Eagle Ford-1)Marathon Oil EF LLC6782K1.32MMay 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 11,308 · prior 12 12,608(-10%)

01K2K202420252026

Gas, mcf lease total

Last 12 months 14,212 · prior 12 49,856(-71%)

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
758908-98DrillMarathon Oil EF LLCApr 12, 2013Mar 20, 2013Jul 31, 201317,200
758908-99DrillMarathon Oil EF LLCMar 18, 2013Mar 20, 2013Apr 24, 201317,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-17034————

Formation tops

As filed on W-2/G-1. Subsea from 298 ft elevation.Download CSV →

FormationMD ftSubsea
Wilcox7,061-6,763
WilcoxWILCOX - DISPOSAL7,061-6,763
Olmos9,249-8,951
Anacacho10,944-10,646
Austin Chalk11,230-10,932
Eagle Ford11,311-11,013
Eagle FordEAGLE FORD - H2S11,311-11,013
CatahoulaCATAHOULA - DISPOSAL——
Escondido——
FrioFRIO - DISPOSAL——
Navarro——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
11,58218,568Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,80512.251,410 S
5.518,7428.52,000 S
5.518,7428.752,000 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
00Nov 18, 2016Nov 4, 2016—
00Nov 17, 2016Nov 4, 2016—
00Dec 19, 2013Oct 10, 2013Yes
00Oct 15, 2013Aug 8, 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/31135329, documented in the API reference.