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Texas oil lease

Producing

MAMMOTH B

Mammoth B is an oil lease in Brazos County, Texas, operated by Wildfire Energy Operating LLC in the Aguila Vado (Eagleford) field.

2 wells

59,907bbl oil, last 12 months−29% vs prior year
Operator
Wildfire Energy Operating LLC
County
Brazos County
Field
Aguila Vado (Eagleford)
RRC lease
05-04442

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Where it sits

This county

Brazos CountyBrazosWalkerFallsMadisonBurlesonLeeRobertsonGrimesMilamBrazos County
Brazos County
Gas, last 12 months
36,335 mcf
Oil in Jun 2026
4,388 bbl

Production by month

Oil output fell 29% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 29% over the last 12 monthsMonthly oil production and gas for MAMMOTH B, Aug 2023 to Jul 2026. Oil output fell 29% over the last 12 months. 54,013 bbl in the 12 months through Jul 2026, against 76,100 bbl in the 12 months before.Last 12 months: 54,013 bblbbl per monthmcf per month002,5002,0005,0004,0007,5006,00010k8,00012.5k10kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 29% over the last 12 monthsMonthly oil production and gas for MAMMOTH B, Aug 2023 to Jul 2026. Oil output fell 29% over the last 12 months. 54,013 bbl in the 12 months through Jul 2026, against 76,100 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5002,0005,0004,0007,5006,00010k8,00012.5k10kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

91% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
91% of the gas went to a transmission line in the last 12 monthsShare of MAMMOTH B gas by disposition code each month, Aug 2023 to Jul 2026. 91% 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
91% of the gas went to a transmission line in the last 12 monthsShare of MAMMOTH B gas by disposition code each month, Aug 2023 to Jul 2026. 91% 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.

  • Transmission line (2)

    91% · 33,063 mcf

  • Lease fuel (1)

    9.0% · 3,272 mcf

2 wells on this lease

Wells on MAMMOTH B
API numberWell no.Status
42-041-326331HActive
42-041-326342HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCOilGathers34Mar 28, 2022–
Energy Transfer Marketing & TermOilGathers33Dec 1, 2022–
Shell Trading (Us) CompanyOilGathers33Mar 28, 2022–
Energy Transfer CompanyCasinghead gasBuys100Mar 28, 2022–
Energy Transfer CompanyCasinghead gasGathers100Mar 28, 2022–
Sunoco Ptnrs. Mktg.&terminals LPOilGathers33Mar 28, 2022Dec 1, 2022

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

Who buys my oilOil price check

850.33 acres on the newest permit

Permits for Mammoth B
API numberWell no.Acreson the permit
42-041-326331H850.33
42-041-326342H850.33

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MAMMOTH B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––––$80.46$2.89
Jun 20264,3884,5592,5662,3350$84.81$3.15
May 20264,6864,4902,6752,4340$102.13$2.94
Apr 20264,4094,4442,6442,4060$100.32$2.77
Mar 20264,8695,0152,7732,5230$91.38$3.04
Feb 20264,5724,5052,4662,2440$64.51$3.62
Jan 20265,0595,3512,4512,2300$60.04$7.72
Dec 20254,3973,8912,3022,0950$57.97$4.26
Nov 20255,1505,3363,4513,1400$60.06$3.79
Oct 20255,3275,4683,4183,1100$60.89$3.19
Sep 20255,2675,2983,5223,2050$63.96$2.97
Aug 20255,8895,8573,6893,3570$64.86$2.91
Jul 20255,8945,8494,3783,9840$68.39$3.20
Jun 20255,7655,6344,0543,6890$68.17$3.02
May 20255,7615,6873,6793,3480$62.17$3.12
Apr 20255,6395,8143,5013,1860$63.54$3.42
Mar 20256,1696,2203,7243,4630$68.24$4.12
Feb 20255,9675,7033,2573,0290$71.53$4.19
Jan 20256,6287,0233,5533,3040$75.74$4.13
Dec 20246,6806,7603,7063,4470$70.12$3.01
Nov 20246,9866,5933,6853,4270$69.95$2.12
Oct 20246,0946,2183,6863,4280$71.99$2.20
Sep 20247,0766,9374,7244,3930$70.24$2.28
Aug 20247,4418,0474,6904,3620$76.68$1.99
Jul 20247,5617,3974,5984,2760$81.80$2.07
Jun 20247,8047,7554,5924,2710$79.77$2.54
May 20248,0007,9355,2874,9170$80.02$2.12
Apr 20247,9407,9454,0603,7760$85.35$1.60
Mar 20248,7048,5084,0953,8080$81.28$1.49
Feb 20248,4248,3214,1623,8710$77.25$1.72
Jan 20248,9979,3493,1512,9300$74.15$3.18
Dec 20239,3039,0664,1143,8260$71.90$2.52
Nov 20239,2119,1243,9603,6830$77.69$2.71
Oct 202310,46210,8945,9375,5210$85.64$2.98
Sep 202310,24810,1356,3065,8650$89.43$2.64
Aug 202311,08011,3186,4385,9870$81.39$2.58

No report filed

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorWildfire Energy Operating LLCFieldAguila Vado (Eagleford)CountyBrazos County

Wildfire Energy Operating LLC in Brazos County

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