TEXAS · WELLS · KARNES COUNTY · WARNER (SL) 01 LEASE · API 42-255-34611 · DISTRICT 02

Warner (SL) 01 #18H

On schedule

Karnes County · Sugarkane (Eagle Ford) field · Not Eligible for Allowable  · Horizontal

Warner (SL) 01 #18H (API 42-255-34611) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed February 3, 2016 and listed as not eligible for allowable on the RRC schedule.

The RRC has issued one drilling permit, issued June 1, 2015, permitted to 13,248 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 10 formation tops, including Frio, Yegua, Queen City, Reklaw.

No lease production has been reported under this well’s leases.

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 reportsnone
Latest permitPioneer Natural Res. USA, Inc.Jun 1, 2015

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

13,248
total depth, ft
1
permits on file
Jun 1, 2015
last permit issued
Feb 3, 2016
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · FEB 2016 THROUGH —

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 3, 2016
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
Warner (SL) 01 G-2-281352Sugarkane (Eagle Ford)Marathon Oil EF LLC100Feb 2016 – —

No volumes reported on these leases in the last three years.

Wells named Warner (SL) 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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
807011-99DrillPioneer Natural Res. USA, Inc.May 29, 2015Jun 1, 2015Oct 8, 201521,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 3, 2016Warner (SL) 01 G-2-281352Sugarkane (Eagle Ford)Marathon Oil EF LLCNot Eligible for Allowable13,248

Formation tops

As filed on W-2/G-1. Subsea from 256 ft elevation.Download CSV →

FormationMD ftSubsea
FrioFRIO - DISPOSAL600-344
YeguaYEGUA - DISPOSAL2,922-2,666
Queen City5,189-4,933
Reklaw5,389-5,133
Carrizo5,993-5,737
WilcoxWILCOX - DISPOSAL9,115-8,859
Austin ChalkAUSTIN CHALK - H2S12,696-12,440
Eagle FordEAGLE FORD - H2S13,030-12,774
EdwardsEDWARDS - H2S——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
13,41518,092Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,50012.251,489 S
5.518,3068.53,443 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
00Nov 29, 2016Sep 26, 2016Yes

Well logs

2 logs loaded from the RRC's log index, the latest received Jul 31, 2017. Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
RESISTIVITYSpans Yegua, Queen City, Reklaw, Carrizo, Wilcox, Austin Chalk, Eagle FordTIFF4,461 to 18,321Jul 31, 2017run Dec 3, 20150.77
RESISTIVITYSpans Yegua, Queen City, Reklaw, Carrizo, Wilcox, Austin Chalk, Eagle FordTIFF4,461 to 18,321Dec 16, 2016run Dec 3, 20150.80

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/25534611, documented in the API reference.