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Texas gas well

Producing

THREE SISTERS 01

Three Sisters 01 is a gas well in Live Oak County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

11,845mcf gas, last 12 months−36% vs prior year
Operator
Marathon Oil Ef LLC
County
Live Oak County
Field
Sugarkane (Eagle Ford)
RRC lease
02-266605

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Where it sits

This county

Live Oak CountyLive OakAtascosaGoliadMcMullenKarnesSan PatricioBeeLive Oak County
Live Oak County
Oil, last 12 months
1,798 bbl
Gas in Jul 2026
667 mcf

Production by month

Gas output fell 36% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 36% over the last 12 monthsMonthly gas production and oil for THREE SISTERS 01, Aug 2023 to Jul 2026. Gas output fell 36% over the last 12 months. 11,845 mcf in the 12 months through Jul 2026, against 18,409 mcf in the 12 months before.Last 12 months: 11,845 mcfmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 36% over the last 12 monthsMonthly gas production and oil for THREE SISTERS 01, Aug 2023 to Jul 2026. Gas output fell 36% over the last 12 months. 11,845 mcf in the 12 months through Jul 2026, against 18,409 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Jan 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 THREE SISTERS 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 THREE SISTERS 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 THREE SISTERS 01
API numberWell no.Status
42-297-3503205HActive

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

6,464.12 acres on the newest permit

Check your decimal on this lease
Permits for Three Sisters 01
API numberWell no.Acreson the permit
42-297-3503205H6,464.12

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

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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 THREE SISTERS 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil99996676670$80.46$2.89
Jun 2026Marathon Oil2202201,0941,0940$84.81$3.15
May 2026Marathon Oil1891891,0661,0660$102.13$2.94
Apr 2026Marathon Oil1501509809800$100.32$2.77
Mar 2026Marathon Oil1531531,0791,0790$91.38$3.04
Feb 2026Marathon Oil1261268488480$64.51$3.62
Jan 2026Marathon Oil1431431,0021,0020$60.04$7.72
Dec 2025Marathon Oil1541541,1031,1030$57.97$4.26
Nov 2025Marathon Oil1111117127120$60.06$3.79
Oct 2025Marathon Oil1431431,0711,0710$60.89$3.19
Sep 2025Marathon Oil1481481,0041,0040$63.96$2.97
Aug 2025Marathon Oil1621621,2191,2190$64.86$2.91
Jul 2025Marathon Oil1541541,2701,2700$68.39$3.20
Jun 2025Marathon Oil1591591,3061,3060$68.17$3.02
May 2025Marathon Oil1641641,3371,3370$62.17$3.12
Apr 2025Marathon Oil2312311,5461,5460$63.54$3.42
Mar 2025Marathon Oil1931931,2941,2940$68.24$4.12
Feb 2025Marathon Oil2122121,3641,3640$71.53$4.19
Jan 2025Marathon Oil1991991,5371,5370$75.74$4.13
Dec 2024Marathon Oil2002001,6571,6570$70.12$3.01
Nov 2024Marathon Oil1971971,6731,6730$69.95$2.12
Oct 2024Marathon Oil2142141,7761,7760$71.99$2.20
Sep 2024Marathon Oil2062061,7951,7950$70.24$2.28
Aug 2024Marathon Oil2342341,8541,8540$76.68$1.99
Jul 2024Marathon Oil2682681,8161,8160$81.80$2.07
Jun 2024Marathon Oil2672671,9271,9270$79.77$2.54
May 2024Marathon Oil2852852,1162,1160$80.02$2.12
Apr 2024Marathon Oil3043042,2202,2200$85.35$1.60
Mar 2024Marathon Oil2832832,3992,3990$81.28$1.49
Feb 2024Marathon Oil2832832,3152,3150$77.25$1.72
Jan 2024Marathon Oil3233232,6182,6180$74.15$3.18
Dec 2023Marathon Oil3313312,9842,9840$71.90$2.52
Nov 2023Marathon Oil3803803,1633,1630$77.69$2.71
Oct 2023Marathon Oil4034033,5183,5180$85.64$2.98
Sep 2023Marathon Oil4324323,9283,9280$89.43$2.64
Aug 2023Marathon Oil5165164,8214,8210$81.39$2.58

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

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Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Eagle Ford)CountyLive Oak County

Marathon Oil Ef LLC in Live Oak County

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Sugarkane (Eagle Ford) field

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