TEXAS · WELLS · KARNES COUNTY · DEBILL 01 LEASE · API 42-255-31962 · DISTRICT 02

Debill 01 #01H

Shut in

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

Debill 01 #01H (API 42-255-31962) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed December 19, 2011 and listed as producing on the RRC schedule, shut in June 1, 2024.

The RRC has issued one drilling permit, issued May 10, 2011, permitted to 13,357 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, Eagle Ford, Midway.

Its lease has reported 441K barrels of oil and 1.82M mcf of gas since December 2011, last reporting volume in May 2024.

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 (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 May 2024
Latest permitPioneer Natural Res. USA, Inc.May 10, 2011

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

13,357
total depth, ft
1
permits on file
May 10, 2011
last permit issued
Dec 19, 2011
completed
441K
cumulative oil, bbl
1.82M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · DEC 2011 THROUGH MAY 2024

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 19, 2011
Shut in
Jun 1, 2024
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 APR 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-2-266221Sugarkane (Eagle Ford)Marathon Oil EF LLC1441K1.82MDec 2011 – May 2024

Gas, mcf lease total

Last 12 months 0 · prior 12 501(-100%)

02K4K6K202420252026

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.Dec 2011 → Sep 2019
  2. 2Ensign Operating LLCOct 2019 → Feb 2023
  3. 3Marathon Oil EF LLCMar 2023 → May 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
715302-99DrillPioneer Natural Res. USA, Inc.Apr 29, 2011May 10, 2011Sep 25, 201121,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 19, 2011Debill 01 G-2-266221Sugarkane (Eagle Ford)Marathon Oil EF LLCProducing · shut in Jun 1, 202413,357

Formation tops

As filed on W-2/G-1. Subsea from 331 ft elevation.Download CSV →

FormationMD ftSubsea
Carrizo——
Eagle Ford——
Midway——

Perforations

Perforated and open-hole intervals.

FromToType
13,38019,052Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,03517.5770 S
9.6259,73012.25370 S
5.519,2318.51,960 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
00Feb 21, 2013May 15, 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.

Find logs withinmiles of this well:List →Map →

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/25531962, documented in the API reference.