WELL · 42-013-34992 · DISTRICT 1

Tom-Smith Unit A #6H

Y

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

Tom-Smith Unit A #6H (API 42-013-34992) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed October 2, 2014 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued May 12, 2014, permitted to 10,568 ft.

Completion filings report 10 formation tops, including Queen City, Carrizo, Olmos, Reklaw.

Its lease has reported 1.43M barrels of oil and 1.75M mcf of gas since February 2014, 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

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 LLCMay 12, 2014
10,568
total depth, ft
3
permits on file
May 12, 2014
last permit issued
Oct 2, 2014
completed
1.43M
cumulative oil, bbl
1.75M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2014 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 2, 2014
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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
Tom-Smith Unit A O-1-17689Eagleville (Eagle Ford-1)Marathon Oil EF LLC61.43M1.75MFeb 2014 – Jul 2026

Oil, barrels lease total

Last 12 months 24,529 · prior 12 43,187(-43%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 48,529 · prior 12 68,705(-29%)

05K10K15K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCOct 2014 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
783825-97DrillMarathon Oil EF LLCMay 19, 2015May 12, 2014Aug 25, 201418,726
783825-98DrillMarathon Oil EF LLCJul 24, 2014May 12, 2014Jul 23, 201419,500
783825-99DrillMarathon Oil EF LLCApr 3, 2014May 12, 2014Jul 23, 201419,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 2, 2014Tom-Smith Unit A O-1-17689Eagleville (Eagle Ford-1)Marathon Oil EF LLCProducing10,568

Formation tops

As filed on W-2/G-1. Subsea from 292 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City830-538
Carrizo1,580-1,288
OlmosOLMOS - DISPOSAL1,820-1,528
Reklaw1,900-1,608
EscondidoESCONDIDO - H2S, DISPOSAL2,600-2,308
Bartosh3,150-2,858
NavarroNAVARRO - H2S3,600-3,308
WilcoxWILCOX - DISPOSAL4,660-4,368
EdwardsEDWARDS - H2S, DISPOSAL7,080-6,788
BudaBUDA - H2S7,380-7,088

Perforations

Perforated and open-hole intervals.

FromToType
11,19618,703Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,27512.251,755 S
5.518,7948.52,455 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
00Jun 3, 2015Oct 24, 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/01334992, documented in the API reference.