Skip to content
Royalty Clerk

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

5,682mcf gas, last 12 months−1% vs prior year
Operator
Marathon Oil Ef LLC
County
Live Oak County
Field
Sugarkane (Eagle Ford)
RRC lease
02-268653

Is your check right?

Check my statement

Where it sits

This county

Live Oak CountyLive OakAtascosaGoliadMcMullenKarnesSan PatricioBeeLive Oak County
Live Oak County
Oil, last 12 months
2,918 bbl
Gas in Jul 2026
44 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 THREE SISTERS 01, Aug 2023 to Jul 2026. Gas output held steady over the last 12 months. 5,682 mcf in the 12 months through Jul 2026, against 5,711 mcf in the 12 months before.Last 12 months: 5,682 mcfmcf per monthbbl per month002502005004007506001,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output held steady over the last 12 monthsMonthly gas production and oil for THREE SISTERS 01, Aug 2023 to Jul 2026. Gas output held steady over the last 12 months. 5,682 mcf in the 12 months through Jul 2026, against 5,711 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002502005004007506001,000800Jan 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
42-297-3515114HActive

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
42-297-3515114H6,464.12

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 THREE SISTERS 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil262644440$80.46$2.89
Jun 2026Marathon Oil1941943903900$84.81$3.15
May 2026Marathon Oil3303305665660$102.13$2.94
Apr 2026Marathon Oil73731241240$100.32$2.77
Mar 2026Marathon Oil4974975425420$91.38$3.04
Feb 2026Marathon Oil2322322592590$64.51$3.62
Jan 2026Marathon Oil3933939599590$60.04$7.72
Dec 2025Marathon Oil5855857437430$57.97$4.26
Nov 2025Marathon Oil1721725825820$60.06$3.79
Oct 2025Marathon Oil2492498978970$60.89$3.19
Sep 2025Marathon Oil71712552550$63.96$2.97
Aug 2025Marathon Oil96963213210$64.86$2.91
Jul 2025Marathon Oil1621626036030$68.39$3.20
Jun 2025Marathon Oil1781786186180$68.17$3.02
May 2025Marathon Oil1751754394390$62.17$3.12
Apr 2025Marathon Oil1531534834830$63.54$3.42
Mar 2025Marathon Oil1031032862860$68.24$4.12
Feb 2025Marathon Oil3203207567560$71.53$4.19
Jan 2025Marathon Oil252565650$75.74$4.13
Dec 2024Marathon Oil1781784974970$70.12$3.01
Nov 2024Marathon Oil1481484654650$69.95$2.12
Oct 2024Marathon Oil1841844874870$71.99$2.20
Sep 2024Marathon Oil2702706286280$70.24$2.28
Aug 2024Marathon Oil1341343843840$76.68$1.99
Jul 2024Marathon Oil2922925755750$81.80$2.07
Jun 2024Marathon Oil2142144864860$79.77$2.54
May 2024Marathon Oil2742745285280$80.02$2.12
Apr 2024Marathon Oil2192195845840$85.35$1.60
Mar 2024Marathon Oil2292296076070$81.28$1.49
Feb 2024Marathon Oil2592596486480$77.25$1.72
Jan 2024Marathon Oil2932935435430$74.15$3.18
Dec 2023Marathon Oil2622626826820$71.90$2.52
Nov 2023Marathon Oil2792797927920$77.69$2.71
Oct 2023Marathon Oil2242245915910$85.64$2.98
Sep 2023Marathon Oil2772777607600$89.43$2.64
Aug 2023Marathon Oil3113117567560$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 LLCFieldSugarkane (Eagle Ford)CountyLive Oak County

Marathon Oil Ef LLC in Live Oak County

All Marathon Oil Ef LLC leases →

Sugarkane (Eagle Ford) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km