TEXAS · WELLS · KARNES COUNTY · SMOLIK 01 LEASE · API 42-255-32153 · DISTRICT 02

Smolik 01 #03H

On schedule

Karnes County · Sugarkane (Eagle Ford) field · Producing  · Horizontal

Smolik 01 #03H (API 42-255-32153) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed April 21, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 13, 2011, permitted to 12,871 ft.

It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Marathon Oil EF LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Carrizo, Midway, Eagle Ford.

Its lease has reported 260K barrels of oil and 790K mcf of gas since April 2012, last reporting volume in August 2026.

Operator of record

Marathon Oil EF LLC

Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Oct 13, 2026
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 Aug 2026
Latest permitPioneer Natural Res. USA, Inc.Dec 13, 2011

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

12,871
total depth, ft
1
permits on file
Dec 13, 2011
last permit issued
Apr 21, 2012
completed
260K
cumulative oil, bbl
790K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · APR 2012 THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 21, 2012
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Smolik 01 G-2-267748Sugarkane (Eagle Ford)Marathon Oil EF LLC1260K790KApr 2012 – Aug 2026

Gas, mcf lease total

Last 12 months 4,351 · prior 12 6,646(-35%)

01K2K202420252026

Wells named Smolik 01

Marathon Oil EF LLC's other wells filed under this lease name in Karnes County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

Operator on the lease's P-4

Each operator named on the P-4 filings for this well's lease (a gas well is its own lease), from the date its filing took effect. The P-4 is filed by lease, so a date before the well was drilled is the lease's.

OperatorFromTo
Marathon Oil EF LLCMar 1, 2023today
Ensign Operating LLCOct 2, 2019Mar 1, 2023
Pioneer Natural Res. USA, Inc.Apr 21, 2012Oct 2, 2019

Reporting production

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

  1. 1Pioneer Natural Res. USA, Inc.Apr 2012 → Sep 2019
  2. 2Ensign Operating LLCOct 2019 → Feb 2023
  3. 3Marathon Oil EF LLCMar 2023 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
726166-99DrillPioneer Natural Res. USA, Inc.Oct 12, 2011Dec 13, 2011Dec 23, 201121,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 21, 2012Smolik 01 G-2-267748Sugarkane (Eagle Ford)Marathon Oil EF LLCProducing12,871

Formation tops

As filed on W-2/G-1. Subsea from 247 ft elevation.Download CSV →

FormationMD ftSubsea
CarrizoCARRIZO/WILCOX6,059-5,812
Midway8,806-8,559
Eagle FordTOP EAGLE FORD12,896-12,649

Perforations

Perforated and open-hole intervals.

FromToType
13,20519,122Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37570017.5893 S
9.6259,17512.25755 S
5.519,2808.52,100 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00May 17, 2013Jun 7, 2012Yes

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

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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/25532153, documented in the API reference.