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Royalty Clerk

Texas gas well

Producing

MASTODON

Mastodon is a gas well in Tarrant County, Texas, operated by Tep Barnett USA, LLC in the Newark, East (Barnett Shale) field.

1 well

136,108mcf gas, last 12 months−18% vs prior year
Operator
Tep Barnett USA, LLC
County
Tarrant County
Field
Newark, East (Barnett Shale)
RRC lease
09-269123

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Where it sits

This county

Tarrant CountyTarrantWiseHoodEllisCollinDallasParkerJohnsonDentonTarrant County
Tarrant County
Gas in Jul 2026
16,232 mcf
Reporting since
Jan 2020

Production by month

Gas output fell 18% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output fell 18% over the last 12 monthsMonthly gas production for MASTODON, Aug 2023 to Jul 2026. Gas output fell 18% over the last 12 months. 136,108 mcf in the 12 months through Jul 2026, against 166,851 mcf in the 12 months before.Last 12 months: 136,108 mcfmcf per month05,00010k15k20kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 18% over the last 12 monthsMonthly gas production for MASTODON, Aug 2023 to Jul 2026. Gas output fell 18% over the last 12 months. 136,108 mcf in the 12 months through Jul 2026, against 166,851 mcf in the 12 months before.Last 12 monthsmcf per month05,00010k15k20kJan 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 MASTODON 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 MASTODON 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.

1 well on this lease

Wells on MASTODON
API numberWell no.Status
42-439-364901HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Total Gas & Power Na, Inc.Gas-well gasBuys100Feb 20, 2019–
Williams Mlp Operating LLCGas-well gasGathers100Oct 1, 2015–
Chesapeake Energy Mktg, L.l.c.Gas-well gasBuys100Sep 1, 2015Feb 20, 2019

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

Who buys my oilOil price check

414.58 acres on the newest permit

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Mastodon
API numberWell no.Acreson the permit
42-439-364901H414.58

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

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36 months, newest first

Ledger for MASTODON
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202616,23216,2320$80.46$2.89
Jun 202616,79816,7980$84.81$3.15
May 20262,6502,6500$102.13$2.94
Apr 20262,4132,4130$100.32$2.77
Mar 202610,91110,9110$91.38$3.04
Feb 202611,48711,4870$64.51$3.62
Jan 202612,60512,6050$60.04$7.72
Dec 202513,02013,0200$57.97$4.26
Nov 202512,52612,5260$60.06$3.79
Oct 202512,86412,8640$60.89$3.19
Sep 202512,11112,1110$63.96$2.97
Aug 202512,49112,4910$64.86$2.91
Jul 202511,95211,9520$68.39$3.20
Jun 202512,64412,6440$68.17$3.02
May 202513,64713,6470$62.17$3.12
Apr 202513,58713,5870$63.54$3.42
Mar 202513,54613,5460$68.24$4.12
Feb 202512,79212,7920$71.53$4.19
Jan 202514,66814,6680$75.74$4.13
Dec 202413,88913,8890$70.12$3.01
Nov 202414,69614,6960$69.95$2.12
Oct 202415,34215,3420$71.99$2.20
Sep 202414,87914,8790$70.24$2.28
Aug 202415,20915,2090$76.68$1.99
Jul 202414,47314,4730$81.80$2.07
Jun 202414,77814,7780$79.77$2.54
May 202415,68715,6870$80.02$2.12
Apr 202416,01616,0160$85.35$1.60
Mar 202416,87716,8770$81.28$1.49
Feb 202415,28915,2890$77.25$1.72
Jan 202416,76216,7620$74.15$3.18
Dec 202316,59116,5910$71.90$2.52
Nov 202315,42415,4240$77.69$2.71
Oct 202316,29116,2910$85.64$2.98
Sep 202315,00415,0040$89.43$2.64
Aug 202315,43615,4360$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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This lease belongs to

OperatorTep Barnett USA, LLCFieldNewark, East (Barnett Shale)CountyTarrant County

Tep Barnett USA, LLC in Tarrant County

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