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Texas oil lease

Producing

IRBY

Irby is an oil lease in Grayson County, Texas, operated by Atoka Energy LLC in the Mulder (Oil Creek) field.

1 well

1,616bbl oil, last 12 months+5% vs prior year
Operator
Atoka Energy LLC
County
Grayson County
Field
Mulder (Oil Creek)
RRC lease
09-31443

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Where it sits

This county

Grayson CountyGraysonCookeFanninGrayson County
Grayson County
Gas, last 12 months
7,300 mcf
Oil in Jul 2026
184 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Atoka Energy LLC took over from Tatanka Operating, LLC in Jul 2026.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output rose 5% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 5% over the last 12 monthsMonthly oil production and gas for IRBY, Aug 2023 to Jul 2026. Oil output rose 5% over the last 12 months. 1,616 bbl in the 12 months through Jul 2026, against 1,534 bbl in the 12 months before.Last 12 months: 1,616 bblbbl per monthmcf per month00100200200400300600400800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 5% over the last 12 monthsMonthly oil production and gas for IRBY, Aug 2023 to Jul 2026. Oil output rose 5% over the last 12 months. 1,616 bbl in the 12 months through Jul 2026, against 1,534 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00100200200400300600400800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the last 12 months

All of the gas went to a transmission line in the last 12 monthsShare of IRBY gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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 transmission line in the last 12 monthsShare of IRBY gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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 2 times, most recently in Jul 2026

Operators of this lease over timeAtoka Operating, Inc., Jan 2020 to Apr 2023; Tatanka Operating, LLC, May 2023 to Jun 2026; Atoka Energy LLC, Jul 2026 to Jul 20262020202120222023202420252026Changed May 2023Changed Jul 2026Atoka Operating, Inc.Jan 2020 to Apr 2023Tatanka Operating, LLCMay 2023 to Jun 2026Atoka Energy LLCJul 2026 to now
Operators of this lease over timeAtoka Operating, Inc., Jan 2020 to Apr 2023; Tatanka Operating, LLC, May 2023 to Jun 2026; Atoka Energy LLC, Jul 2026 to Jul 20262020202120222023202420252026Changed May 2023Changed Jul 2026Atoka Operating, Inc.Jan 2020 to Apr 2023Tatanka Operating, LLCMay 2023 to Jun 2026Atoka Energy LLCJul 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on IRBY
API numberWell no.Status
42-181-314432Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Ptt Premier Trading and Tran LLCOilGathers100Nov 1, 2023–
Branch Energy Partners, LLCCasinghead gasBuys100Nov 1, 2019–
Branch Energy Partners, LLCCasinghead gasGathers100Nov 1, 2019–
Gulfmark Energy, Inc.OilGathers100Oct 1, 2018Nov 1, 2023
Semgas, L.p.Casinghead gasGathers100Oct 22, 2009Nov 1, 2019
Semgas, L.p.Casinghead gasBuys100Oct 22, 2009Nov 1, 2019

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

Who buys my oilOil price check

337.50 acres on the newest permit

Check your decimal on this lease
Permits for Irby
API numberWell no.Acreson the permit
42-181-314432337.50

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

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Estimate your royalty

36 months, newest first

Ledger for IRBY
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Atoka Energy1841896206200$80.46$2.89
Jun 2026Tatanka Operating,1361796006000$84.81$3.15
May 2026Tatanka Operating,2363816206200$102.13$2.94
Apr 2026Tatanka Operating,006006000$100.32$2.77
Mar 2026Tatanka Operating,12306206200$91.38$3.04
Feb 2026Tatanka Operating,2541895605600$64.51$3.62
Jan 2026Tatanka Operating,1301616206200$60.04$7.72
Dec 2025Tatanka Operating,1621896206200$57.97$4.26
Nov 2025Tatanka Operating,1201796006000$60.06$3.79
Oct 2025Tatanka Operating,1706206200$60.89$3.19
Sep 2025Tatanka Operating,14906006000$63.96$2.97
Aug 2025Tatanka Operating,1051926206200$64.86$2.91
Jul 2025Tatanka Operating,711816206200$68.39$3.20
Jun 2025Tatanka Operating,16506006000$68.17$3.02
May 2025Tatanka Operating,1221796206200$62.17$3.12
Apr 2025Tatanka Operating,1181756006000$63.54$3.42
Mar 2025Tatanka Operating,1571806206200$68.24$4.12
Feb 2025Tatanka Operating,1231805605600$71.53$4.19
Jan 2025Tatanka Operating,17406206200$75.74$4.13
Dec 2024Tatanka Operating,861716206200$70.12$3.01
Nov 2024Tatanka Operating,1331786206200$69.95$2.12
Oct 2024Tatanka Operating,1521796006000$71.99$2.20
Sep 2024Tatanka Operating,10206006000$70.24$2.28
Aug 2024Tatanka Operating,1311906206200$76.68$1.99
Jul 2024Tatanka Operating,733666206200$81.80$2.07
Jun 2024Tatanka Operating,15006006000$79.77$2.54
May 2024Tatanka Operating,15806206200$80.02$2.12
Apr 2024Tatanka Operating,1111766006000$85.35$1.60
Mar 2024Tatanka Operating,1741856206200$81.28$1.49
Feb 2024Tatanka Operating,1402005805800$77.25$1.72
Jan 2024Tatanka Operating,1831826206200$74.15$3.18
Dec 2023Tatanka Operating,10006206200$71.90$2.52
Nov 2023Tatanka Operating,2071806006000$77.69$2.71
Oct 2023Tatanka Operating,1441426206200$85.64$2.98
Sep 2023Tatanka Operating,1901656006000$89.43$2.64
Aug 2023Tatanka Operating,1651486206200$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

OperatorAtoka Energy LLCFieldMulder (Oil Creek)CountyGrayson County

Atoka Energy LLC in Grayson County

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Mulder (Oil Creek) field

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