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Royalty Clerk

Texas gas well

Producing

DUFFER B

Duffer B is a gas well in Eastland County, Texas, operated by Byrne Oil Company in the Adams (Duffer, Lower) field.

1 well

2,741mcf gas, last 12 months−5% vs prior year
RRC lease
7B-285567

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Where it sits

This county

Eastland CountyEastlandShackelfordCallahanPalo PintoErathComancheStephensEastland County
Eastland County
Gas in Jul 2026
239 mcf
Reporting since
Jan 2020

Production by month

Gas output fell 5% over the last 12 months

  • Gas (bars)
  • Last 12 months
Gas output fell 5% over the last 12 monthsMonthly gas production for DUFFER B, Aug 2023 to Jul 2026. Gas output fell 5% over the last 12 months. 2,741 mcf in the 12 months through Jul 2026, against 2,897 mcf in the 12 months before.Last 12 months: 2,741 mcfmcf per month0100200300400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 5% over the last 12 monthsMonthly gas production for DUFFER B, Aug 2023 to Jul 2026. Gas output fell 5% over the last 12 months. 2,741 mcf in the 12 months through Jul 2026, against 2,897 mcf in the 12 months before.Last 12 monthsmcf per month0100200300400Jan 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 DUFFER B 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 DUFFER B 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 DUFFER B
API numberWell no.Status
42-133-377701Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Colt Gathering (North Texas)l.p.Gas-well gasBuys100Jan 1, 2022–
Colt Gathering (North Texas)l.p.Gas-well gasGathers100Jan 1, 2022–
Midcoast Gathering (N Tx) L.p.Gas-well gasGathers100Aug 20, 2018Jan 1, 2022
Midcoast Gathering (N Tx) L.p.Gas-well gasBuys100Aug 20, 2018Jan 1, 2022

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

40 acres on the newest permit

Permits for Duffer B
API numberWell no.Acreson the permit
42-133-37770140

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

Estimate your royalty

36 months, newest first

Ledger for DUFFER B
MonthGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262392390$80.46$2.89
Jun 20262232230$84.81$3.15
May 20262272270$102.13$2.94
Apr 20262282280$100.32$2.77
Mar 20262352350$91.38$3.04
Feb 20262112110$64.51$3.62
Jan 20262322320$60.04$7.72
Dec 20252322320$57.97$4.26
Nov 20252262260$60.06$3.79
Oct 20252332330$60.89$3.19
Sep 20252242240$63.96$2.97
Aug 20252312310$64.86$2.91
Jul 20252392390$68.39$3.20
Jun 20252392390$68.17$3.02
May 20252472470$62.17$3.12
Apr 20252402400$63.54$3.42
Mar 20252452450$68.24$4.12
Feb 20252192190$71.53$4.19
Jan 20252432430$75.74$4.13
Dec 20242462460$70.12$3.01
Nov 20242442440$69.95$2.12
Oct 20242522520$71.99$2.20
Sep 20242422420$70.24$2.28
Aug 20242412410$76.68$1.99
Jul 20242472470$81.80$2.07
Jun 20242462460$79.77$2.54
May 20242512510$80.02$2.12
Apr 20242452450$85.35$1.60
Mar 20242552550$81.28$1.49
Feb 20242392390$77.25$1.72
Jan 20242532530$74.15$3.18
Dec 20232612610$71.90$2.52
Nov 20232532530$77.69$2.71
Oct 20232302300$85.64$2.98
Sep 20232172170$89.43$2.64
Aug 20232242240$81.39$2.58

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

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Nearby

Byrne Oil Company in Eastland County

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Adams (Duffer, Lower) field

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