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Texas gas well

Producing

MAST, L.B.

Mast, L.b. is a gas well in Nacogdoches County, Texas, operated by Atlas Operating LLC in the Loco Bayou (James Lime) field.

1 well

25,373mcf gas, last 12 months−27% vs prior year
Operator
Atlas Operating LLC
County
Nacogdoches County
Field
Loco Bayou (James Lime)
RRC lease
06-235211

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Where it sits

This county

Nacogdoches CountyNacogdochesPanolaSan AugustineShelbyRuskAngelinaCherokeeNacogdoches County
Nacogdoches County
Oil, last 12 months
10 bbl
Gas in Jun 2026
75 mcf

Checks stopped on this lease?

  • Operator

    Operator changed: Atlas Operating LLC took over from BRG Lone Star Ltd. in Mar 2026.

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

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Production by month

Gas output fell 27% over the last 12 months

Jul 2026 was not reported.

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 27% over the last 12 monthsMonthly gas production and oil for MAST, L.B., Aug 2023 to Jul 2026. Gas output fell 27% over the last 12 months. 22,141 mcf in the 12 months through Jul 2026, against 30,256 mcf in the 12 months before.Last 12 months: 22,141 mcfmcf per monthbbl per month001,00012,00023,00034,00045,0005Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 27% over the last 12 monthsMonthly gas production and oil for MAST, L.B., Aug 2023 to Jul 2026. Gas output fell 27% over the last 12 months. 22,141 mcf in the 12 months through Jul 2026, against 30,256 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,00012,00023,00034,00045,0005Jan 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 MAST, L.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 MAST, L.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 2 times, most recently in Mar 2026

Operators of this lease over timeAethon Energy Operating LLC, Jan 2020 to Jan 2020; BRG Lone Star Ltd., Feb 2020 to Feb 2026; Atlas Operating LLC, Mar 2026 to Jun 20262020202120222023202420252026Changed Feb 2020Changed Mar 2026Aethon Energy Operating LLCJan 2020 to Jan 2020BRG Lone Star Ltd.Feb 2020 to Feb 2026Atlas Operating LLCMar 2026 to now
Operators of this lease over timeAethon Energy Operating LLC, Jan 2020 to Jan 2020; BRG Lone Star Ltd., Feb 2020 to Feb 2026; Atlas Operating LLC, Mar 2026 to Jun 20262020202120222023202420252026Changed Feb 2020Changed Mar 2026Aethon Energy Operating LLCJan 2020 to Jan 2020BRG Lone Star Ltd.Feb 2020 to Feb 2026Atlas Operating LLCMar 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on MAST, L.B.
API numberWell no.Status
42-347-326531HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Lion Oil Trading & Trans, LLCCondensateGathers100Feb 1, 2020–
Orion Pipeline, LLCGas-well gasBuys100Feb 1, 2020–
Energy Transfer CompanyGas-well gasGathers100Sep 1, 2017–
Plains Marketing, L.p.CondensateGathers100Jul 1, 2015Feb 1, 2020
Texla Energy Management, Inc.Gas-well gasBuys100Jul 1, 2015Feb 1, 2020

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

Who buys my oilOil price check

376.14 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

Check your decimal on this lease
Permits for Mast, L.b.
API numberWell no.Acreson the permit
42-347-326531H376.14

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MAST, L.B.
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report–––––$80.46$2.89
Jun 2026Atlas Operating0075750$84.81$3.15
May 2026Atlas Operating0040400$102.13$2.94
Apr 2026Atlas Operating5046460$100.32$2.77
Mar 2026Atlas Operating5051510$91.38$3.04
Feb 2026BRG Lone002,6182,6180$64.51$3.62
Jan 2026BRG Lone003,0783,0780$60.04$7.72
Dec 2025BRG Lone003,6543,6540$57.97$4.26
Nov 2025BRG Lone003,6543,6540$60.06$3.79
Oct 2025BRG Lone004,0274,0270$60.89$3.19
Sep 2025BRG Lone002,3102,3100$63.96$2.97
Aug 2025BRG Lone002,5882,5880$64.86$2.91
Jul 2025BRG Lone003,2323,2320$68.39$3.20
Jun 2025BRG Lone002,8102,8100$68.17$3.02
May 2025BRG Lone002,8032,8030$62.17$3.12
Apr 2025BRG Lone002,9142,9140$63.54$3.42
Mar 2025BRG Lone002,9902,9900$68.24$4.12
Feb 2025BRG Lone002,9282,9280$71.53$4.19
Jan 2025BRG Lone007377370$75.74$4.13
Dec 2024BRG Lone002,9242,9240$70.12$3.01
Nov 2024BRG Lone001,9311,9310$69.95$2.12
Oct 2024BRG Lone002,2042,2040$71.99$2.20
Sep 2024BRG Lone001,8771,8770$70.24$2.28
Aug 2024BRG Lone002,9062,9060$76.68$1.99
Jul 2024BRG Lone002,2672,2670$81.80$2.07
Jun 2024BRG Lone002,6302,6300$79.77$2.54
May 2024BRG Lone003,5333,5330$80.02$2.12
Apr 2024BRG Lone003,6553,6550$85.35$1.60
Mar 2024BRG Lone003,3873,3870$81.28$1.49
Feb 2024BRG Lone003,1213,1210$77.25$1.72
Jan 2024BRG Lone002,8092,8090$74.15$3.18
Dec 2023BRG Lone003,3713,3710$71.90$2.52
Nov 2023BRG Lone003,3423,3420$77.69$2.71
Oct 2023BRG Lone003,7003,7000$85.64$2.98
Sep 2023BRG Lone003,8203,8200$89.43$2.64
Aug 2023BRG Lone003,9403,9400$81.39$2.58

No report filed

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

OperatorAtlas Operating LLCFieldLoco Bayou (James Lime)CountyNacogdoches County

Atlas Operating LLC in Nacogdoches County

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Loco Bayou (James Lime) field

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