TEXAS · WELLS · KARNES COUNTY · DEBILL 01 LEASE · API 42-255-32932 · DISTRICT 02

Debill 01 #04H

On schedule

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

Debill 01 #04H (API 42-255-32932) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed September 20, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 4, 2013, permitted to 13,468 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 Midway, Austin Chalk, Top Efgd.

Its lease has reported 421K barrels of oil and 1.81M mcf of gas since September 2013, 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 Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Jan 4, 2013

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

13,468
total depth, ft
1
permits on file
Jan 4, 2013
last permit issued
Sep 20, 2025
completed
421K
cumulative oil, bbl
1.81M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · SEP 2013 THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 20, 2025
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.

Loading the map…

Open the full map →

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
Debill 01 G-2-271129Sugarkane (Eagle Ford)Marathon Oil EF LLC1421K1.81MSep 2013 – Aug 2026

Gas, mcf lease total

Last 12 months 392,344 · prior 12 14,298

050K100K202420252026

Wells named Debill 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

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

  1. 1Pioneer Natural Res. USA, Inc.Sep 2013 → Sep 2019
  2. 2Ensign Operating LLCOct 2019 → Feb 2023
  3. 3Marathon Oil EF LLCMar 2023 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
753948-99DrillPioneer Natural Res. USA, Inc.Jan 2, 2013Jan 4, 2013Mar 24, 201321,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 20, 2025Debill 01 G-2-271129Sugarkane (Eagle Ford)Marathon Oil EF LLCProducing13,468

Formation tops

As filed on W-2/G-1. Subsea from 348 ft elevation.Download CSV →

FormationMD ftSubsea
Midway9,297-8,949
Austin ChalkAUSTIN CHALK, UPPER12,962-12,614
Top Efgd13,313-12,965

Perforations

Perforated and open-hole intervals.

FromToType
13,47419,350Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37597317.5828 S
9.6259,64512.25415 S
5.519,4958.52,021 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
00Oct 6, 2026Sep 10, 2026—
00Jan 21, 2014Oct 23, 2013Yes

Well logs

1 log loaded from the RRC's log index, the latest received Apr 25, 2016. 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 Midway, Austin ChalkTIFF9,657 to 13,243Apr 25, 2016run Apr 7, 20131.53

"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/25532932, documented in the API reference.