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Texas gas well

Producing

BRASS MONKEY STATE UNIT

Brass Monkey State Unit is a gas well in Reeves County, Texas, operated by U.S. Energy Development Corp in the Phantom (Wolfcamp) field.

Gas well dossier

162,815mcf gas, last 12 months−27% vs prior year
RRC lease
08-292804

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Where it sits

This county

Reeves CountyReevesWinklerWardLovingReeves County
Reeves County
Oil, last 12 months
8,142 bbl
Gas in Jul 2026
16,538 mcf

Checks stopped on this lease?

  • Operator

    Operator changed: U.S. Energy Development Corp took over from Cog Operating LLC in Apr 2025.

  • Buyer

    Buyer changed: BRAZOS MIDSTREAM OPERATING, LLC replaced ENERGY TRANSFER COMPANY as the buyer of this lease's gas from gas wells on Apr 1, 2025.

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

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 27% over the last 12 monthsMonthly gas production and oil for BRASS MONKEY STATE UNIT, Aug 2023 to Jul 2026. Gas output fell 27% over the last 12 months. 162,815 mcf in the 12 months through Jul 2026, against 221,949 mcf in the 12 months before.Last 12 months: 162,815 mcfmcf per monthbbl per month005,00050010k1,00015k1,50020k2,00025k2,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 27% over the last 12 monthsMonthly gas production and oil for BRASS MONKEY STATE UNIT, Aug 2023 to Jul 2026. Gas output fell 27% over the last 12 months. 162,815 mcf in the 12 months through Jul 2026, against 221,949 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005,00050010k1,00015k1,50020k2,00025k2,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant

  • Processing plant (3)
  • Transmission line (2)
  • Flared (4)
Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plantShare of BRASS MONKEY STATE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2025: plant to lineOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plantShare of BRASS MONKEY STATE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant.Share of gas by disposition code0%50%100%Apr 25: plant to lineJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    100% · 162,620 mcf

  • Flared (4)

    0.1% · 195 mcf

0.1% of the gas flared in the last 12 months. No month above 3%.

Who has run this lease

The operator changed once, most recently in Apr 2025

Operators of this lease over timeCog Operating LLC, Jan 2020 to Mar 2025; U.S. Energy Development Corp, Apr 2025 to Jul 20262020202120222023202420252026Changed Apr 2025Cog Operating LLCJan 2020 to Mar 2025U.S. Energy Development CorpApr 2025 to now
Operators of this lease over timeCog Operating LLC, Jan 2020 to Mar 2025; U.S. Energy Development Corp, Apr 2025 to Jul 20262020202120222023202420252026Changed Apr 2025Cog Operating LLCJan 2020 to Mar 2025U.S. Energy Development CorpApr 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Brazos Midstream Operating, LLCCondensateGathers100Dec 20, 2017–
Brazos Midstream Operating, LLCGas-well gasBuys100Apr 1, 2025–
Brazos Midstream Operating, LLCGas-well gasGathers100Dec 20, 2017–
Energy Transfer CompanyGas-well gasBuys100Dec 20, 2017Apr 1, 2025

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

652.69 acres on the newest permit

Permits for Brass Monkey State Unit
API numberWell no.Acreson the permit
42-389-35719852H652.69

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

Estimate your royalty

36 months, newest first

Ledger for BRASS MONKEY STATE UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026U.S. Energy91593316,53816,5380$80.46$2.89
Jun 2026U.S. Energy71876813,56513,438127$84.81$3.15
May 2026U.S. Energy86286613,92613,9260$102.13$2.94
Apr 2026U.S. Energy67661614,04914,0490$100.32$2.77
Mar 2026U.S. Energy41542810,66410,59668$91.38$3.04
Feb 2026U.S. Energy41841611,71711,7170$64.51$3.62
Jan 2026U.S. Energy66267212,78912,7890$60.04$7.72
Dec 2025U.S. Energy72574413,51313,5130$57.97$4.26
Nov 2025U.S. Energy80478412,16812,1680$60.06$3.79
Oct 2025U.S. Energy5685669,9789,9780$60.89$3.19
Sep 2025U.S. Energy66565415,55615,5560$63.96$2.97
Aug 2025U.S. Energy71471518,35218,3520$64.86$2.91
Jul 2025U.S. Energy75878418,50918,5090$68.39$3.20
Jun 2025U.S. Energy80182918,66718,6670$68.17$3.02
May 2025U.S. Energy97991319,56119,5610$62.17$3.12
Apr 2025U.S. Energy91392917,83317,8330$63.54$3.42
Mar 2025Cog Operating1,1111,11420,07920,0790$68.24$4.12
Feb 2025Cog Operating1,1261,13916,11416,1140$71.53$4.19
Jan 2025Cog Operating1,3681,36417,95017,9500$75.74$4.13
Dec 2024Cog Operating1,3691,40518,69018,6900$70.12$3.01
Nov 2024Cog Operating1,5421,56719,35419,3540$69.95$2.12
Oct 2024Cog Operating1,4881,49719,40319,4030$71.99$2.20
Sep 2024Cog Operating1,5471,57618,95518,9550$70.24$2.28
Aug 2024Cog Operating1,3821,34716,83416,8340$76.68$1.99
Jul 2024Cog Operating1,5741,60220,46520,4650$81.80$2.07
Jun 2024Cog Operating1,3911,37217,40917,4090$79.77$2.54
May 2024Cog Operating1,5391,52017,56717,5670$80.02$2.12
Apr 2024Cog Operating1,2801,30415,94215,9420$85.35$1.60
Mar 2024Cog Operating1,7181,72120,05520,0550$81.28$1.49
Feb 2024Cog Operating1,5841,55517,04517,0450$77.25$1.72
Jan 2024Cog Operating1,7021,68717,41717,4170$74.15$3.18
Dec 2023Cog Operating1,9331,94518,90618,9060$71.90$2.52
Nov 2023Cog Operating1,4111,42916,19616,1960$77.69$2.71
Oct 2023Cog Operating1,7411,75420,02720,0270$85.64$2.98
Sep 2023Cog Operating1,7241,70119,62719,6270$89.43$2.64
Aug 2023Cog Operating1,5431,57616,58716,5870$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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U.S. Energy Development Corp in Reeves County

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