Skip to content
Royalty Clerk

Texas gas well

Producing

LEMKE 01

Lemke 01 is a gas well in De Witt County, Texas, operated by Marathon Oil Ef LLC in the De Witt (Eagle Ford Shale) field.

1 well

29,493mcf gas, last 12 months−1% vs prior year
Operator
Marathon Oil Ef LLC
County
De Witt County
Field
De Witt (Eagle Ford Shale)
RRC lease
02-263952

Is your check right?

Check my statement

Where it sits

This county

De Witt CountyDe WittGoliadWilsonLavacaGonzalesKarnesVictoriaGuadalupeDe Witt County
De Witt County
Oil, last 12 months
719 bbl
Gas in Jul 2026
146 mcf

Production by month

Gas output held steady over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output held steady over the last 12 monthsMonthly gas production and oil for LEMKE 01, Aug 2023 to Jul 2026. Gas output held steady over the last 12 months. 29,493 mcf in the 12 months through Jul 2026, against 29,769 mcf in the 12 months before.Last 12 months: 29,493 mcfmcf per monthbbl per month001,0001002,0002003,0003004,000400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output held steady over the last 12 monthsMonthly gas production and oil for LEMKE 01, Aug 2023 to Jul 2026. Gas output held steady over the last 12 months. 29,493 mcf in the 12 months through Jul 2026, against 29,769 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0001002,0002003,0003004,000400Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

All of the gas went to a processing plant in the last 12 monthsShare of LEMKE 01 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of LEMKE 01 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now
Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on LEMKE 01
API numberWell no.Status
42-123-3239101HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers50Mar 1, 2023–
Enterprise Crude Pipeline LLCCondensateGathers50Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasBuys100Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasGathers100Mar 1, 2023–
Gulfmark Energy, Inc.CondensateGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasBuys100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCCondensateGathers50Oct 1, 2019Oct 2, 2019
Enterprise Crude Oil LLCCondensateGathers25Oct 1, 2019Oct 2, 2019
Enterprise Crude Pipeline LLCCondensateGathers25Oct 1, 2019Oct 2, 2019

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

307.30 acres on the newest permit

  • Worth asking

    A substandard-acreage flag is in the permit records

    The RRC permit records include a substandard-acreage flag. Ask which acreage applies to your well and how it was used in your decimal.

Check your decimal on this lease
Permits for Lemke 01
API numberWell no.Acreson the permit
42-123-3239101H307.30

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

What ConocoPhillips told investors it received

Marathon Oil Ef LLC is linked to ConocoPhillips (MRO).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for LEMKE 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil441461460$80.46$2.89
Jun 2026Marathon Oil47472,2652,2650$84.81$3.15
May 2026Marathon Oil37371,7161,7160$102.13$2.94
Apr 2026Marathon Oil72722,8902,8900$100.32$2.77
Mar 2026Marathon Oil76763,0893,0890$91.38$3.04
Feb 2026Marathon Oil74742,9552,9550$64.51$3.62
Jan 2026Marathon Oil42422,0452,0450$60.04$7.72
Dec 2025Marathon Oil71712,8142,8140$57.97$4.26
Nov 2025Marathon Oil72722,8062,8060$60.06$3.79
Oct 2025Marathon Oil78782,9382,9380$60.89$3.19
Sep 2025Marathon Oil69692,8402,8400$63.96$2.97
Aug 2025Marathon Oil77772,9892,9890$64.86$2.91
Jul 2025Marathon Oil70702,4772,4770$68.39$3.20
Jun 2025Marathon Oil76763,0373,0370$68.17$3.02
May 2025Marathon Oil81813,2403,2400$62.17$3.12
Apr 2025Marathon Oil77772,2662,2660$63.54$3.42
Mar 2025Marathon Oil85852,4372,4370$68.24$4.12
Feb 2025Marathon Oil55551,8471,8470$71.53$4.19
Jan 2025Marathon Oil40402,3992,3990$75.74$4.13
Dec 2024Marathon Oil78782,2902,2900$70.12$3.01
Nov 2024Marathon Oil80802,2972,2970$69.95$2.12
Oct 2024Marathon Oil86862,3802,3800$71.99$2.20
Sep 2024Marathon Oil77772,4162,4160$70.24$2.28
Aug 2024Marathon Oil88882,6832,6830$76.68$1.99
Jul 2024Marathon Oil81812,3682,3680$81.80$2.07
Jun 2024Marathon Oil81812,5132,5130$79.77$2.54
May 2024Marathon Oil91912,6732,6730$80.02$2.12
Apr 2024Marathon Oil94942,8102,8100$85.35$1.60
Mar 2024Marathon Oil92922,0972,0970$81.28$1.49
Feb 2024Marathon Oil3673672,7142,7140$77.25$1.72
Jan 2024Marathon Oil3773772972970$74.15$3.18
Dec 2023Marathon Oil2992992302300$71.90$2.52
Nov 2023Marathon Oil3713712472470$77.69$2.71
Oct 2023Marathon Oil92925505500$85.64$2.98
Sep 2023Marathon Oil66663403400$89.43$2.64
Aug 2023Marathon Oil69698178170$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldDe Witt (Eagle Ford Shale)CountyDe Witt County

Marathon Oil Ef LLC in De Witt County

All Marathon Oil Ef LLC leases →

De Witt (Eagle Ford Shale) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km