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Texas gas well

Producing

DUNCAN, F. B.

Duncan, F. B. is a gas well in Wharton County, Texas, operated by Sandel Operating Company in the Cypress Eagle (Wilcox) field.

1 well

12,690mcf gas, last 12 months−87% vs prior year
Operator
Sandel Operating Company
County
Wharton County
Field
Cypress Eagle (Wilcox)
RRC lease
03-239837

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Where it sits

This county

Wharton CountyWhartonLavacaFayetteAustinColoradoFort BendJacksonWharton County
Wharton County
Oil, last 12 months
183 bbl
Gas in Jul 2026
210 mcf

Checks stopped on this lease?

  • Buyer

    Buyer changed: ARM ENERGY MANAGEMENT LLC replaced DCP INTRASTATE NETWORK, LLC as the buyer of this lease's gas from gas wells on Jan 1, 2026.

  • Sales

    Sales over the last 3 months fell to 6% of the 9 months before.

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

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Production by month

Gas output fell 87% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 87% over the last 12 monthsMonthly gas production and oil for DUNCAN, F. B., Aug 2023 to Jul 2026. Gas output fell 87% over the last 12 months. 12,690 mcf in the 12 months through Jul 2026, against 100,934 mcf in the 12 months before.Last 12 months: 12,690 mcfmcf per monthbbl per month002,500505,0001007,50015010k20012.5k250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 87% over the last 12 monthsMonthly gas production and oil for DUNCAN, F. B., Aug 2023 to Jul 2026. Gas output fell 87% over the last 12 months. 12,690 mcf in the 12 months through Jul 2026, against 100,934 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,500505,0001007,50015010k20012.5k250Jan 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 DUNCAN, F. 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 DUNCAN, F. 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.

Who has run this lease

The operator changed once, most recently in Dec 2021

Operators of this lease over timeTalos Gulf Coast Onshore LLC, Jan 2020 to Nov 2021; Sandel Operating Company, Dec 2021 to Jul 20262020202120222023202420252026Changed Dec 2021Talos Gulf Coast Onshore LLCJan 2020 to Nov 2021Sandel Operating CompanyDec 2021 to now
Operators of this lease over timeTalos Gulf Coast Onshore LLC, Jan 2020 to Nov 2021; Sandel Operating Company, Dec 2021 to Jul 20262020202120222023202420252026Changed Dec 2021Talos Gulf Coast Onshore LLCJan 2020 to Nov 2021Sandel Operating CompanyDec 2021 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on DUNCAN, F. B.
API numberWell no.Status
42-481-349623Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Amj INCCondensateGathers100Jan 1, 2026–
Arm Energy Management LLCGas-well gasBuys100Jan 1, 2026–
Sandel Operating CompanyGas-well gasGathers100Jan 1, 2026–
Gulfmark Energy, Inc.CondensateGathers100Jun 24, 2008Jan 1, 2026
Dcp Intrastate Network, LLCGas-well gasGathers100Apr 1, 2016Jan 1, 2026
Dcp Intrastate Network, LLCGas-well gasBuys100Apr 1, 2016Jan 1, 2026

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

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704 acres on the newest permit

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Permits for Duncan, F. B.
API numberWell no.Acreson the permit
42-481-349623704

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

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36 months, newest first

Ledger for DUNCAN, F. B.
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Sandel Operating002102100$80.46$2.89
Jun 2026Sandel Operating0053530$84.81$3.15
May 2026Sandel Operating00000$102.13$2.94
Apr 2026Sandel Operating00000$100.32$2.77
Mar 2026Sandel Operating00000$91.38$3.04
Feb 2026Sandel Operating0189000$64.51$3.62
Jan 2026Sandel Operating8705,8665,8660$60.04$7.72
Dec 2025Sandel Operating9606,5616,5610$57.97$4.26
Nov 2025Sandel Operating00000$60.06$3.79
Oct 2025Sandel Operating00000$60.89$3.19
Sep 2025Sandel Operating00000$63.96$2.97
Aug 2025Sandel Operating00000$64.86$2.91
Jul 2025Sandel Operating0178000$68.39$3.20
Jun 2025Sandel Operating901788,7288,7280$68.17$3.02
May 2025Sandel Operating4704,3674,3670$62.17$3.12
Apr 2025Sandel Operating141012,04112,0410$63.54$3.42
Mar 2025Sandel Operating1101788,9138,9130$68.24$4.12
Feb 2025Sandel Operating12917910,13110,1310$71.53$4.19
Jan 2025Sandel Operating1211808,9588,9580$75.74$4.13
Dec 2024Sandel Operating144010,96910,9690$70.12$3.01
Nov 2024Sandel Operating12218010,68410,6840$69.95$2.12
Oct 2024Sandel Operating1311788,9968,9960$71.99$2.20
Sep 2024Sandel Operating12308,3968,3960$70.24$2.28
Aug 2024Sandel Operating791708,7518,7510$76.68$1.99
Jul 2024Sandel Operating8807,6857,6850$81.80$2.07
Jun 2024Sandel Operating871726,9286,9280$79.77$2.54
May 2024Sandel Operating1171779,9479,9470$80.02$2.12
Apr 2024Sandel Operating139010,26410,2640$85.35$1.60
Mar 2024Sandel Operating11918110,31210,3120$81.28$1.49
Feb 2024Sandel Operating15516710,68510,6850$77.25$1.72
Jan 2024Sandel Operating13918110,57510,5750$74.15$3.18
Dec 2023Sandel Operating14917511,04311,0430$71.90$2.52
Nov 2023Sandel Operating133010,58710,5870$77.69$2.71
Oct 2023Sandel Operating16518211,10411,1040$85.64$2.98
Sep 2023Sandel Operating8617710,32710,3270$89.43$2.64
Aug 2023Sandel Operating7607,2997,2990$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

OperatorSandel Operating CompanyFieldCypress Eagle (Wilcox)CountyWharton County

Sandel Operating Company in Wharton County

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Cypress Eagle (Wilcox) field

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